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Letter of Credit Letter of Credit [Member] Business Combination, Separately Recognized Transactions [Domain] Business Combination, Separately Recognized Transactions [Domain] Vested (shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Domain] Net loss attributable to Caesars Net loss from continuing operations, net of income taxes Net Income (Loss) Attributable to Parent Consolidated Entities Consolidated Entities [Axis] Entity Emerging Growth Company Entity Emerging Growth Company Right-of-use asset Operating Lease, Right-of-Use Asset Rights Value Rights Value [Member] Rights Value Schedule of Business Acquisitions, by Acquisition Schedule of Business Acquisitions, by Acquisition [Table Text Block] Loss from equity method investment Equity Method Investment, Realized Gain (Loss) on Disposal Property Subject to or Available for Operating Lease [Axis] Property Subject to or Available for Operating Lease [Axis] Income Statement Location Income Statement Location [Axis] Finite-lived intangible assets, accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Statistical Measurement Statistical Measurement [Domain] Business combination, acquisition related costs Business Combination, Acquisition Related Costs Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Capital Expenditures, net Capital Expenditures Net Represents the amount spent on capital expenditure, net during the period as per segments. Schedule of Maturities of Long-term Debt Schedule of Maturities of Long-term Debt [Table Text Block] Caesars Southern Indiana Caesars Southern Indiana [Member] Caesars Southern Indiana Derivative instruments - FX forward Derivative Liability Equity securities fair value Fair value, total Equity Securities, FV-NI, Current Disposal group, consideration Disposal Group, Including Discontinued Operation, Consideration Debt instrument, convertible, conversion price (in dollars per share) Debt Instrument, Convertible, Conversion Price Major Property Class [Domain] Major Property Class [Domain] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Senior Notes Due 2026 Senior Notes Due 2026 [Member] Senior Notes Due 2026 Caesars UK Group Caesars UK [Member] Caesars UK Summary of Activity Related to Contract and Contract Related Liabilities Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Entity Filer Category Entity Filer Category CRC Term Loan CRC Term Loan B [Member] CRC Term Loan B Other assets, net Other Assets, Noncurrent Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Investment, Name Investment, Name [Axis] Segments Segments [Axis] Aggregate consideration subject to working capital adjustments Proceeds from Sale of Equity Method Investments Increase (decrease) in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Debt estimate interest payment, due Debt Estimate Interest Payment, Due Debt Estimate Interest Payment, Due Caesars Entertainment Corp. Caesars Entertainment Corporation [Member] Caesars Entertainment Corporation. 2023 Long-Term Debt, Maturity, Year Two Derivative Period [Axis] Derivative Period [Axis] Derivative Period 2024 Debt Estimate Interest Payment, Due Year Three Debt Estimate Interest Payment, Due Year Three Assets Held for Sale Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Remainder of 2021 Long-Term Debt, Maturity, Remainder of Fiscal Year Document Fiscal Year Focus Document Fiscal Year Focus Subsequent Event Type [Domain] Subsequent Event Type [Domain] Foreign Currency Translation Adjustments Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest [Member] Deferred income taxes Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Amortization Amortization of Intangible Assets Customer Deposits and Other Deferred Revenue Customer Deposits And Other Deferred Revenue [Member] Customer deposits and other deferred revenue. Intangible assets (a) Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Gaming rights and other Gaming Rights and Others [Member] Gaming Rights and Others Total anti-diluted common stock (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Accounts receivable, net Account Receivable, Net Account Receivable, Net Liability Class Liability Class [Axis] Sports Sponsorship and Partnership Obligations Sports Sponsorship and Partnership Obligations [Member] Sports Sponsorship and Partnership Obligations Organization and Basis of Presentation Basis Of Presentation [Line Items] Organization and Basis of Presentation Loss since transaction Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual Other long-term liabilities Disposal Group Including Discontinued Operation Other Long Term Liabilities Current Disposal group including discontinued operation other long term liabilities current. Common stock conversion ratio Stockholders' Equity Note, Stock Split, Conversion Ratio Business Combination and Asset Acquisition [Abstract] Number of states in which the Company operates Number of States in which Entity Operates Equity instruments other than options, fair value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Line of credit facility, commitment fee percentage Line of Credit Facility, Commitment Fee Percentage Business Acquisition Business Acquisition [Axis] Lessor, Lease, Description [Table] Lessor, Lease, Description [Table] Goodwill Disposal Group, Including Discontinued Operation, Goodwill, Current CRC Incremental Term Loan CRC Incremental Term Loan [Member] CRC Incremental Term Loan Disposal Group Name Disposal Group Name [Axis] Schedule of Indefinite-Lived Intangible Assets Schedule of Indefinite-Lived Intangible Assets [Table Text Block] Award Type Award Type [Domain] Long-term notes and other payables Notes Payable, Noncurrent Business combination, separately recognized tansactions, settlement of pre existing relationship Business Combination, Separately Recognized Transactions, Settlement of Pre existing Relationship Business Combination, Separately Recognized Transactions, Settlement of Pre existing Relationship Gain on sale of joint venture Gain (Loss) on Sale of Investments Credit Facility Credit Facility [Domain] Assets: Assets [Abstract] Related Party Transactions [Abstract] Related Party Transactions [Abstract] Long-term debt, term Long-term Debt, Term 5.25% CRC Notes due 2025 5.25% CRC Notes due 2025 [Member] 5.25% CRC Notes due 2025 Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Goodwill and Intangible Assets, net Goodwill and Intangible Assets Disclosure [Text Block] Acquired Finite-lived Intangible Assets Acquired Liabilities related to assets held for sale Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Related To Assets Held For Sale Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Related To Assets Held For Sale Options outstanding (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Entity Address, City or Town Entity Address, City or Town Trade Names Trade Names [Member] Retained Earnings (Accumulated Deficit) Retained Earnings [Member] Debt Instrument Debt Instrument [Axis] Area of real property leased Area of Real Estate Property Earnings Per Share, Basic and Diluted [Table] Earnings Per Share, Basic and Diluted [Table] Earnings Per Share, Basic and Diluted Litigation, Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Deferred finance obligation Deferred Finance Obligation Deferred Finance Obligation Casino and pari-mutuel commissions Casino And Pari Mutuel Commissions [Member] Casino and pari mutuel commissions. Discount (premium) attributable to other factors Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) Related Party Related Party [Axis] CRC Incremental Term Loan CRC Term Loan B-1 [Member] CRC Term Loan B-1 Fair value of land contributed to date Fair Value Of Land Acquired Fair value of the land acquired. Secured Debt Secured Debt [Member] Decrease in total purchase consideration Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred Debt instrument, repurchased face amount Debt Instrument, Repurchased Face Amount Business Acquisition, Pro Forma Information Business Acquisition, Pro Forma Information [Table Text Block] Percentage of outstanding shares owned Business Combination, Step Acquisition, Equity Interest in Acquiree, Including Subsequent Acquisition, Percentage Licensing Agreement, Term Licensing Agreement, Term Licensing Agreement, Term Increase in liabilities held for sale Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Liabilities Held For Sale Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Liabilities Held For Sale Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Other long-term liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] CRC Revolving Credit Facility CRC Revolving Credit Facility [Member] CRC Revolving Credit Facility Comprehensive loss Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Total number of properties Total Number of Properties Total Number of Properties Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Property and equipment, net Disposal Group, Including Discontinued Operation, Property, Plant and Equipment Due to related parties Due to Related Parties Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items] Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items] Intangible Assets Entity Interactive Data Current Entity Interactive Data Current Prime Rate Prime Rate [Member] Number of interest rate derivatives held Number of Interest Rate Derivatives Held Line of credit facility, remaining borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Fixed Rate Paid Derivative, Fixed Interest Rate Number of sportsbooks Number Of Sportsbooks Number Of Sportsbooks Basic loss per share (in dollars per share) Net loss per common share attributable to common stockholders – basic (in dollars per share) Earnings Per Share, Basic Indefinite-lived Intangible Assets, Major Class Name Indefinite-lived Intangible Assets, Major Class Name [Domain] Total number of geographic regions Total Number of Geographic Regions Total Number of Geographic Regions Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations Revenue Recognition Revenue from Contract with Customer [Text Block] Restricted cash and investments Restricted Cash and Investments, Current Shares outstanding (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Document Type Document Type 2022 Long-Term Debt, Maturity, Year One CRC Credit Agreement CRC Credit Agreement [Member] CRC Credit Agreement RECONCILIATION OF CASH, CASH EQUIVALENTS AND RESTRICTED CASH TO AMOUNTS REPORTED WITHIN THE CONSOLIDATED CONDENSED BALANCE SHEETS: Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations [Abstract] Prepayments and other current assets Prepaid Expense, Current Summary of Net Revenues Disaggregated Type of Revenue and Reportable Segment Disaggregation of Revenue [Table Text Block] Total liabilities at fair value Fair Value Hedge Liabilities 2025 Long-Term Debt, Maturity, Year Five Due from related parties Due from Related Parties Capital expenditure term Capital Expenditure Term Capital Expenditure Term Fair Value Measurement Fair Value Measurement [Domain] Unrealized gain (loss) on derivatives Unrealized Gain (Loss) on Derivatives Net loss per share -Diluted Earnings Per Share, Diluted [Abstract] Intangible asset Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Cash flows from investing activities Cash Provided by (Used in) Investing Activities, Discontinued Operations Entity Current Reporting Status Entity Current Reporting Status William Hill International William Hill International [Member] William Hill International Cash paid to settle convertible notes Cash paid to settle convertible notes Repayments of Convertible Debt Deferred tax liabilities, net Deferred Tax Liabilities, Net Percentage of outstanding shares owned before additional interest purchased Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage Escrow deposit Escrow Deposit Proceeds from sale of businesses, property and equipment, net of cash sold Deposits And Proceeds From Sale Of Businesses Property And Equipment Net Deposits and proceeds from sale of businesses property and equipment net. Stock-based compensation expense Employee Benefits and Share-based Compensation Other comprehensive income (loss), cash flow hedge, gain (loss), before reclassification and tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Total purchase consideration Total purchase consideration Business Combination, Consideration Transferred Regional And Managed International And C I E Regional And Managed International And C I E [Member] Regional And Managed International And C I E Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Number of room in hotel Number Of Rooms In Hotel Number of rooms in hotel. Goodwill Goodwill [Roll Forward] Long-term debt, gross Long-term Debt, Gross Revolving Credit Facility Revolving Credit Facility Under Secured Credit Facility [Member] Represents information pertaining to the revolving credit facility available to the entity as part of the Secured Credit Facility agreement. Diluted loss per share from continuing operations (in dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share Assets: Assets, Fair Value Disclosure [Abstract] Total debt Long-term debt Long-term Debt Derivative instruments - interest rate swaps Derivative Instruments and Hedges, Liabilities Total assets at fair value Assets, Fair Value Disclosure Level 1 Fair Value, Inputs, Level 1 [Member] CASH FLOWS FROM INVESTING ACTIVITIES: Net Cash Provided by (Used in) Investing Activities [Abstract] Goodwill impairment Goodwill, acquisition of gaming rights and trademarks Goodwill, Impairment Loss Liability Class Fair Value by Liability Class [Domain] Document Transition Report Document Transition Report Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Casino and pari-mutuel commissions Casino [Member] REI Recreational Enterprises Inc [Member] Recreational Enterprises, Inc. Base rate Base Rate [Member] Financing Receivable, Allowance for Credit Loss Financing Receivable, Allowance for Credit Loss [Table Text Block] Interest Rate Swap, Effective 12/31/2018 Interest Rate Swap, Effective Dec 31 2018, Maturing Dec 31 2022, Period 2 [Member] Interest Rate Swap, Effective Dec 31 2018, Maturing Dec 31 2022, Period 2 Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Total liabilities and stockholders’ equity Liabilities and Equity Other Other Asset Impairment Charges Accrued other liabilities Other Accrued Liabilities, Current Increase in assets held for sale Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Assets Held For Sale Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Assets Held For Sale Beginning balance Ending balance Contract with Customer, Liability, Current Former Caesars 5% Convertible Notes Former Caesars 5% Convertible Notes [Member] Former Caesars 5% Convertible Notes Restricted cash Restricted Cash Acquisition of gaming rights and trademark Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Market-based Stock Units (MSUs) Market-based Stock Units [Member] Market-based Stock Units Interest Rate Swap Interest Rate Swap [Member] Assets held-in-trust Assets Held-in-trust Income Tax Contingency [Table] Income Tax Contingency [Table] Common stock acquired value Treasury Stock, Value, Acquired, Cost Method Earnings per Share Earnings Per Share [Text Block] Common stock acquired average price per share (in dollars per share) Treasury Stock Acquired, Average Cost Per Share Equity securities, loss Equity Securities, FV-NI, Gain (Loss) Ownership interest Percentage of equity stake Equity Method Investment, Ownership Percentage 2025 Finite-Lived Intangible Asset, Expected Amortization, Year Four Minimum Minimum [Member] Amortizing Intangible Assets Finite-lived Intangible Assets [Roll Forward] Schedule of Balance Sheet Information for Reportable Segments Reconciliation of Assets from Segment to Consolidated [Table Text Block] Marketable securities Marketable Securities, Current Former Caesars replacement awards Share-based Payment Arrangement, Replacement Awards Share-based Payment Arrangement, Replacement Awards Long-term line of credit Amount outstanding Long-term Line of Credit Balance Sheet Location Balance Sheet Location [Domain] Comprehensive income attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Deferred finance charges associated with the CEI Revolving Credit Facility Debt Issuance Costs, Net Indefinite-lived Intangible Assets Indefinite-lived Intangible Assets [Axis] Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Food and beverage and hotel Food, Beverage and Hotel [Member] Food, Beverage and Hotel Proceeds from insurance related to property damage Proceeds from Insurance Settlement, Investing Activities Interest Rate Swap, Effective 12/31/2018 Interest Rate Swap, Effective Jan 1 2019, Maturing Dec 31 2021, Period 1 [Member] Interest Rate Swap, Effective Jan 1 2019, Maturing Dec 31 2021, Period 1 Loss from purchase price adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustments Related to Previous Period Trading Symbol Trading Symbol Loss contingency, damages sought, value Loss Contingency, Damages Sought, Value CURRENT LIABILITIES: Liabilities, Current [Abstract] 2024 Long-Term Debt, Maturity, Year Four Issuance of common stock, net Convertible notes settled with shares Stock Issued During Period, Value, New Issues Cash flows from financing activities Cash Provided by (Used in) Financing Activities, Discontinued Operations General and administrative General and Administrative Expense Business acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Long-Term Debt Debt Disclosure [Text Block] Cordish Companies Cordish Companies [Member] Cordish Companies Line of Credit Line of Credit [Member] Stock-Based Compensation and Stockholders’ Equity Share-based Payment Arrangement [Text Block] Senior Notes Senior Notes [Member] Level 3 Fair Value, Inputs, Level 3 [Member] Noncontrolling interests Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value Earnings Per Share, Basic and Diluted [Line Items] Earnings Per Share, Basic and Diluted [Line Items] Earnings Per Share, Basic and Diluted Derivative Instrument [Axis] Derivative Instrument [Axis] Issuance of common stock (in shares) Stock Issued During Period, Shares, New Issues Number of reportable segments Number of Reportable Segments Other consideration paid Business Combination, Consideration Transferred, Other Other noncurrent assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Total debt service obligation (a) Debt Service Obligation, Maturities, Repayments of Principal, Maturity [Abstract] Debt Service Obligation, Maturities, Repayments of Principal, Maturity Net loss from continuing operations attributable to Caesars, net of income taxes Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Interest Rate Swap, Effective 1/2/2019 Interest Rate Swap, Effective Jan 2 2019, Maturing Dec 31 2021 [Member] Interest Rate Swap, Effective Jan 2 2019, Maturing Dec 31 2021 Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Total other expense Nonoperating Income (Expense) Liabilities related to assets held for sale Liabilities held for sale Disposal Group, Including Discontinued Operation, Liabilities Equity Interest Issued or Issuable, Type [Domain] Equity Interest Issued or Issuable, Type [Domain] Asset Sale Bridge Facility Asset Sale Bridge Facility [Member] Asset Sale Bridge Facility Weighted average exercise price (in USD per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Goodwill, acquired Goodwill, Acquired During Period Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Performance Shares Performance stock units Performance Shares [Member] Land contributed to joint venture Contribution of Property Commitments and contingencies (Note 8) Commitments and Contingencies Annual maturities of long-term debt Long-term Debt, Fiscal Year Maturity [Abstract] Proceeds from insurance claims Proceeds from Insurance Premiums Collected Acquisitions and Purchase Price Accounting Business Combination Disclosure [Text Block] Business Combination, Separately Recognized Transactions [Axis] Business Combination, Separately Recognized Transactions [Axis] Debt issuance and extinguishment costs Payments of Debt Issuance Costs Real Estate, Type of Property [Axis] Real Estate, Type of Property [Axis] Insured event, gain Insured Event, Gain (Loss) Share-based Payment Arrangement, Activity Share-based Payment Arrangement, Activity [Table Text Block] Disposal Group Classification Disposal Group Classification [Axis] Ownership Ownership [Axis] Antidilutive Securities, Name Antidilutive Securities, Name [Domain] Document Period End Date Document Period End Date Senior Secured 540-day Revolving Credit Facility Senior Secured 540 Day Revolving Credit Facility [Member] Senior Secured 540 Day Revolving Credit Facility Total operating expenses Costs and Expenses 2025 Debt Estimate Interest Payment, Due Year Four Debt Estimate Interest Payment, Due Year Four Other comprehensive loss before reclassifications Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Other Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax Deutsche Bank AG, London Branch and JP Morgan Chase Bank, N.A Deutsche Bank AG, London Branch and JP Morgan Chase Bank, N.A [Member] Deutsche Bank AG, London Branch and JP Morgan Chase Bank, N.A Net loss Business Acquisition, Pro Forma Net Income (Loss) Entity Registrant Name Entity Registrant Name Schedule of Capital Expenditures by Segment Schedule Of Capital Expenditures By Segment [Table Text Block] Tabular disclosure of the capital expenditures for each reportable segment. Treasury stock (in shares) Treasury Stock, Shares Equity stake value in ordinary shares (in shares) Equity Method Investments Value In Common Shares Equity method investments value in common shares. Cash flows from operating activities Cash Provided by (Used in) Operating Activities, Discontinued Operations Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] Schedule of Change in Restricted Investments Valued Using Level 3 Inputs Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] 2022 Debt Estimate Interest Payment, Due Period One Debt Estimate Interest Payment, Due Period One CEI Senior Secured Notes CEI Senior Secured Notes [Member] CEI Senior Secured Notes Business acquisition, equity interest issued or issuable, number of shares (in shares) Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Pompano Joint Venture Pompano Joint Venture [Member] Pompano joint venture. Net revenues Net revenues Revenue from Contract with Customer, Excluding Assessed Tax Gary Carano Family Carano Family [Member] Carano family. Fair value of William Hill equity awards Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value Special Improvement District Bonds Special Assessment Bond Consolidation Items Consolidation Items [Domain] Reported Value Measurement Reported Value Measurement [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Net assets acquired Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest Gain on working capital adjustment Disposal Group, Including Discontinued Operation, Gain On Working Capital Adjustment Disposal Group, Including Discontinued Operation, Gain On Working Capital Adjustment Common Stock Common Stock [Member] Variable Rate Variable Rate [Axis] Interest Rate Swap, Effective 12/31/2018 Interest Rate Swap, Effective Jan 1 2019, Maturing Dec 31 2022 [Member] Interest Rate Swap, Effective Jan 1 2019, Maturing Dec 31 2022 Segment Information Segment Reporting Disclosure [Text Block] Operating income (loss) Operating Income (Loss) Casino Operating Contract and Ground Lease for Harrah’s New Orleans Casino Operating Contract and Ground Lease for Harrah’s New Orleans [Member] Casino Operating Contract and Ground Lease for Harrah’s New Orleans Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Organization and Basis of Presentation Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Liabilities Related To Assets Held For Sale Liabilities Related To Assets Held For Sale [Member] Liabilities Related To Assets Held For Sale 2023 Finite-Lived Intangible Asset, Expected Amortization, Year Two Financing obligation payments Payments of Financing Obligations Payments of Financing Obligations Hedging Designation [Axis] Hedging Designation [Axis] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] 2023 Debt Estimate Interest Payment, Due Period Two Debt Estimate Interest Payment, Due Period Two Eastern Band of Cherokee Indians (“EBCI”) Eastern Band of Cherokee Indians (“EBCI”) [Member] Eastern Band of Cherokee Indians (“EBCI”) Property, Plant and Equipment [Abstract] Variable Rate Variable Rate [Domain] Online Real Money Gaming Businesses Online Real Money Gaming Businesses [Member] Online Real Money Gaming Businesses Paid-in Capital Additional Paid-in Capital [Member] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Annual rent payable Annual Rent Payable represents the amount of rent payable Net cash used in discontinued operations Net Cash Provided by (Used in) Discontinued Operations Finite Lived And Indefinite Lived Intangible Assets By Major Class [Table] Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Technology Technology-Based Intangible Assets [Member] Repayments of debt Repayments of Debt Corporate Corporate Expense Represents the corporate expenses incurred during the reporting period. Related party transactions Related Party Transaction, Amounts of Transaction MontBleu Mont Bleu Casino Resort Spa [Member] Mont Bleu Casino Resort & Spa. Neo Games S.A Neo Games [Member] Neo Games Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Effect of foreign currency exchange rates on cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Right to receive per share (in dollars per share) Right To Receive Per Share Represents the amount receivable per share Revenue since transaction Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual Treasury Stock Treasury Stock [Member] Other items Other Labor-related Expenses Horseshoe Baltimore Horseshoe Baltimore [Member] Horseshoe Baltimore CRC Notes CRC Notes [Member] CRC Notes Impairment charges Impairment charges Asset Impairment Charges Derivative, notional amount Derivative, Notional Amount Basis Of Presentation [Table] Basis Of Presentation [Table] Schedule of information pertaining to the basis of presentation. Other income (loss) Other Nonoperating Income (Expense) Debt instrument, interest rate, effective percentage Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed Purchase of property and equipment, net Payments to Acquire Property, Plant, and Equipment Maximum Maximum [Member] Share-based Payment Arrangement [Abstract] Total liabilities Liabilities Liabilities Legal Entity Legal Entity [Axis] Other AOCI Attributable to Noncontrolling Interest, Other [Member] AOCI Attributable to Noncontrolling Interest, Other Award Type Award Type [Axis] 2022 Finite-Lived Intangible Asset, Expected Amortization, Year One CASH FLOWS FROM FINANCING ACTIVITIES: Net Cash Provided by (Used in) Financing Activities [Abstract] Consolidation Items Consolidation Items [Axis] Caesars stockholders’ equity Stockholders' Equity Attributable to Parent Common stock issued (in shares) Common Stock, Shares, Issued Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Change in cash, cash equivalents and restricted cash classified as assets held for sale Cash, Cash Equivalents, Restricted Cash And Restricted Cash Equivalents, Held For Sale, Period Increase (Decrease), Excluding Exchange Rate Effect Cash, Cash Equivalents, Restricted Cash And Restricted Cash Equivalents, Held For Sale, Period Increase (Decrease), Excluding Exchange Rate Effect Restricted cash included in restricted cash and investments Restricted Cash and Cash Equivalents, Current Baltimore Revolving Credit Facility Baltimore Revolving Credit Facility [Member] Baltimore Revolving Credit Facility Investments in and Advances to Unconsolidated Affiliates Equity Method Investments and Joint Ventures Disclosure [Text Block] Property Subject to or Available for Operating Lease [Domain] Property Subject to or Available for Operating Lease [Domain] Goodwill and Intangible Assets Disclosure [Abstract] Assets held for sale Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Asset Held For Sale Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Asset Held For Sale Loss on extinguishment of debt Loss on extinguishment of debt Gain (Loss) on Extinguishment of Debt Number of table games Number Of Table Games Number of table games. Change in fair value Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) William Hill William Hill [Member] William Hill. Other Other Finite Lived Intangible Assets Net Other Finite Lived Intangible Assets Net Business acquisition, share price (in dollars per share) Business Acquisition, Share Price Disposal group, expected proceeds after repayment of Bridge Credit Agreement and working capital adjustments Disposal Group, Including Discontinued Operation, Expected Net Proceeds After Repayment Of Debt And Working Capital Adjustments Disposal Group, Including Discontinued Operation, Expected Net Proceeds After Repayment Of Debt And Working Capital Adjustments STOCKHOLDERS' EQUITY: Stockholders' Equity Attributable to Parent [Abstract] Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] NON-CASH INVESTING AND FINANCING ACTIVITIES: Noncash Investing and Financing Items [Abstract] Food and beverage Food and Beverage [Member] Balance Sheet Location Balance Sheet Location [Axis] Convention Arrangements Convention Arrangements [Member] Convention Arrangements Measurement Frequency Measurement Frequency [Domain] Debt instrument, face amount Debt Instrument, Face Amount Interest expense, net Interest expense, net Interest Expense Gaming rights Licensing Agreements [Member] Discontinued Operations and Disposal Groups [Abstract] Discontinued Operations and Disposal Groups [Abstract] Payables for capital expenditures Increase (Decrease) In Capital Expenditures Incurred But Not Yet Paid Increase (Decrease) In Capital Expenditures Incurred But Not Yet Paid City Area Code City Area Code Stock-based compensation awards Share-based Payment Arrangement [Member] Operating Segment Operating Segments [Member] Litigation Case [Domain] Litigation Case [Domain] Restricted stock units Restricted Stock Units (RSUs) [Member] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Fraction of common share issued per outstanding dollar of debt Debt Instrument, Convertible, Conversion Rate, Fraction Of Common Share Issued Per Outstanding Dollar Debt Instrument, Convertible, Conversion Rate, Fraction Of Common Share Issued Per Outstanding Dollar Schedule of Recognized Identified Assets Acquired and Liabilities Assumed Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Shares issued to Former Caesars shareholders (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Variable lease income Operating Lease, Variable Lease Income Off-Market Right Off-Market Right [Member] Off-Market Right Business Acquisition [Line Items] Business Acquisition [Line Items] Managed and Branded Managed And Branded [Member] Managed And Branded Number of geographic regions Number Of Geographic Region Represents the number of geographic regions, where the Company's principal operating activities occur. 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Inventories Inventory, Net Schedule of Operating Data for Reportable Segments Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Entity File Number Entity File Number Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Equity Method Investments and Joint Ventures [Abstract] Equity Method Investments and Joint Ventures [Abstract] Schedule of Variable Interest Entities [Table] Schedule of Variable Interest Entities [Table] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Remainder of 2021 Debt Estimate Interest Payment, Due Remainder of the Year Debt Estimate Interest Payment, Due Remainder of the Year Aggregate intrinsic value, nonvested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Nonvested Acquired noncontrolling interests Noncontrolling Interest, Increase from Business Combination Gaming Licenses Gaming Licenses [Member] Gaming Licenses Current portion of long-term debt Current portion of long-term debt Long-term Debt, Current Maturities Product and Service Product and Service [Axis] Property, Plant and Equipment, Type Long-Lived Tangible Asset [Domain] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Small Business Entity Small Business Regional Regional [Member] Regional CRC Senior Secured Notes CRC Senior Secured Notes [Member] CRC Senior Secured Notes Shares withheld related to net share settlement of stock awards Shares Withheld Related To Settlement Of Stock Awards Value Represents the value of shares held related to net share settlement of stock awards. Equity Component Equity Component [Domain] Current and other assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets and Other Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets and Other Assets Technology Technology [Member] Technology Other Stockholders' Equity, Other Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Disposal Group Name Disposal Group Name [Domain] Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Face value of financial assets Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value Sports Wagering Sports Wagering [Member] Sports Wagering Shares issued to former caesars shareholders Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Statement [Line Items] Statement [Line Items] Thereafter Debt Estimate Interest Payment, Due Thereafter Debt Estimate Interest Payment, Due Thereafter Litigation Case [Axis] Litigation Case [Axis] Increase / (decrease) Increase (Decrease) in Contract with Customer, Liability Acquisition of gaming rights and trademarks Impairment of Intangible Assets, Finite-lived Current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets User Relationship User Relationship [Member] User Relationship Estimated interest payments Debt Estimate Interest Payment, Maturity [Abstract] Debt Estimate Interest Payment, Maturity Liabilities: Liabilities [Abstract] Mobile Sports Betting Mobile Sports Betting [Member] Mobile Sports Betting Issuance of restricted stock units Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Counterparty Name Counterparty Name [Domain] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Interest Rate Swap, Effective 1/1/2019 Interest Rate Swap, Effective Dec 31 2018, Maturing Dec 31 2022, Period 1 [Member] Interest Rate Swap, Effective Dec 31 2018, Maturing Dec 31 2022, Period 1 Entity Address, State or Province Entity Address, State or Province Due from affiliates Due from Affiliate, Current Loss from continuing operations before income taxes Loss from continuing operations before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Level 2 Fair Value, Inputs, Level 2 [Member] Evansville Evansville [Member] Evansville Derivative, variable interest rate Derivative, Variable Interest Rate Schedule of Goodwill and Other Intangible Assets, Net Schedule of Intangible Assets and Goodwill [Table Text Block] Property, Plant and Equipment, Type Long-Lived Tangible Asset [Axis] Liabilities related to assets held for sale ($0 and $130 attributable to our VIEs) Current liabilities Disposal Group, Including Discontinued Operation, Liabilities, Current Corporate and other Corporate, Non-Segment [Member] Derivative, gain (loss) on derivative, net Derivative, Gain (Loss) on Derivative, Net Segment Reporting [Abstract] Segment Reporting [Abstract] Entity Entity [Domain] Finite-lived intangible assets, useful life Finite-Lived Intangible Asset, Useful Life Trademarks Indefinitelived Trade Names [Member] Indefinite-lived trade names. Net revenues Disposal Group, Including Discontinued Operation, Revenue Derivative Period Domain [Domain] Derivative Period Domain [Domain] Derivative Period Domain Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations Options granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Schedule of Reconciliation of the Numerators and Denominators of the Basic and Diluted Net Income Per Share Computations Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Entity Shell Company Entity Shell Company Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Asset Class Asset Class [Axis] Local Phone Number Local Phone Number Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Cash flow hedge gain (loss) to be reclassified within twelve months Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months Conference Center Conference Center [Member] Conference Center Current liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities Proceeds from issuance of common stock Proceeds from Issuance of Common Stock Total assets Total Assets Assets Net loss attributable to Caesars Business Acquisition, Pro Forma Net Income (Loss) Attributable to Parent Business Acquisition, Pro Forma Net Income (Loss) Attributable to Parent TSG The Stars Group Incorporation [Member] The Stars Group Inc. Investment, Name Investment, Name [Domain] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activities Increase in deferred income taxes Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Income Taxes Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Income Taxes Non controlling Interests Noncontrolling Interest [Member] Product and Service [Domain] Product and Service [Domain] Las Vegas Las Vegas [Member] Las Vegas Atlantic City Atlantic City [Member] Atlantic City C. S. & Y. Associates C S And Y Associates [Member] Represents related party - C. S. & Y. Associates. Depreciation and amortization Depreciation expense Depreciation, Depletion and Amortization, Nonproduction Other income (loss) Other Income (Loss) Other Income (Loss) Interest rate (as a percent) Debt Instrument, Interest Rate, Stated Percentage Discontinued operations, net of income taxes Net loss from discontinued operations Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax Derivative Contract [Domain] Derivative Contract [Domain] Senior Secured 540-day Bridge Loan Facility Senior Secured 540-day Bridge Loan Facility [Member] Senior Secured 540-day Bridge Loan Facility Restricted investments Restricted Investments Net income attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Proceeds from sale-leaseback financing arrangement Proceeds from Sale-leaseback Financing Arrangement Proceeds from Sale-leaseback Financing Arrangement Discontinued Operations Discontinued Operations [Member] Unrecognized tax benefits Unrecognized Tax Benefits, Period Increase (Decrease) Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Revolving Credit Facility Revolving Credit Facility [Member] Outstanding Chip Liability Outstanding Chip Liability [Member] Outstanding chip liability. Measurement Frequency Measurement Frequency [Axis] Real Estate [Domain] Real Estate [Domain] Expected number of properties that will be owned after transactions Expected Number Of Properties That Will Be Owned After Transactions Expected Number Of Properties That Will Be Owned After Transactions Summary of Long-term Debt Schedule of Debt [Table Text Block] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Furniture, fixtures, and equipment Furniture and Fixtures [Member] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Entity Tax Identification Number Entity Tax Identification Number Net Loss per Share - Basic Earnings Per Share, Basic [Abstract] Other assets, net Disposal Group, Including Discontinued Operation, Other Assets Interest Rate Swap, Effective 1/1/2019 Interest Rate Swap, Effective Jan 1 2019, Maturing Dec 31 2021, Period 2 [Member] Interest Rate Swap, Effective Jan 1 2019, Maturing Dec 31 2021, Period 2 Operating Agreements Operating Agreements [Member] Operating Agreements Number of slot machines and video lottery terminals Number Of Slot Machines And Video Lottery Terminals Number of slot machines and video lottery terminals. Weighted average basic shares outstanding (in shares) Weighted average shares outstanding – basic (in shares) Weighted Average Number of Shares Outstanding, Basic Diluted loss per share (in dollars per share) Net loss per common share attributable to common stockholders – diluted (in dollars per share) Earnings Per Share, Diluted Segments Segments [Domain] Hotel Hotel, Owned [Member] Baton Rouge Belle Of Baton Rouge Casino Hotel [Member] Belle of Baton Rouge Casino & Hotel. Acquired Indefinite-lived Intangible Assets Acquired Income taxes paid (refunded), net Income Taxes Paid, Net Investment in and advances to unconsolidated affiliates Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures VICI Properties VICI Properties L.P. [Member] VICI Properties L.P. Interest Expense Interest Expense [Member] Financing Leases Finance Lease Obligations [Member] Finance Lease Obligations. Available borrowing capacity Debt Instrument, Unused Borrowing Capacity, Amount Comprehensive loss attributable to Caesars Comprehensive Income (Loss), Net of Tax, Attributable to Parent Gaming rights and other intangibles, net Total amortizing and non-amortizing intangible assets, net Intangible Assets, Net (Excluding Goodwill) Caesars Resort Collection Caesars Resort Collection [Member] Caesars Resort Collection Weighted average number of shares outstanding: Shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Deferred income taxes Deferred Income Tax Liabilities, Net Related affiliates Related Party Transaction [Line Items] Award vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Other Long Term Liabilities Other Noncurrent Liabilities [Member] Business Acquisition, Acquiree Business Acquisition, Acquiree [Domain] Property and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Agreement period Agreement Period Agreement period. Basic loss per share from continuing operations (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share Transaction costs and other operating costs Transaction costs and other operating costs Other Cost and Expense, Operating Restricted Cash and Investments Restricted Cash And Investments [Member] Restricted cash and investments. Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Fair Value Measurements Fair Value Disclosures [Text Block] Restricted and escrow cash included in other assets, net Restricted And Escrow Cash Included In Other Noncurrent Restricted and escrow cash included in other noncurrent assets. VIEs Variable Interest Entity, Primary Beneficiary [Member] Accounts payable Accounts Payable, Current Convention Center Mortgage Loan Convention Center Mortgage Loan [Member] Convention Center Mortgage Loan Depreciation and amortization Depreciation and amortization Depreciation, Depletion and Amortization Indefinite-lived license agreements Indefinite-Lived License Agreements Decrease in intangible assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles 2024 Finite-Lived Intangible Asset, Expected Amortization, Year Three Proceeds from long-term debt and revolving credit facilities Proceeds from Long-term Lines of Credit Senior Secured Revolving Credit Facility Senior Secured Revolving Credit Facility [Member] Senior secured revolving credit facility. Basic loss per share from discontinued operations (in dollars per share) Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Remaining 2021 Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Proceeds from the sale of investments Proceeds from Sale of Investment Projects Total assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Acquired Including Goodwill Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Acquired Including Goodwill Cost of goods and services Cost of Goods and Services Sold REVENUES: Revenues [Abstract] Eldorado Shreveport Eldorado Resort Casino Shreveport [Member] Eldorado Resort Casino Shreveport. Other Other Cost of Operating Revenue Senior Notes Senior Notes Due 2029 [Member] Senior Notes Due 2029 Issuance of restricted stock units (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Kansas City Kansas City [Member] Kansas City. Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] Change in fair market value of interest rate swaps, net of tax OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax Other Product and Service, Other [Member] Consolidated Entities Consolidated Entities [Domain] CRC Term Loan CRC Term Loan [Member] CRC Term Loan 2022 Debt Service Obligation, Maturities, Repayments of Principal, Due Year One Debt Service Obligation, Maturities, Repayments of Principal, Due Year One Common stock held in trust Common Stock Held in Trust Summary of Property and Equipment Property, Plant and Equipment [Table Text Block] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Debt instrument, term Debt Instrument, Term Income Statement Location Income Statement Location [Domain] Disposal Group, Held-for-sale, Not Discontinued Operations Disposal Group, Held-for-sale, Not Discontinued Operations [Member] Customer Relationships Customer Relationships [Member] Lessor, Lease, Description [Line Items] Lessor, Lease, Description [Line Items] Buildings, riverboats, and leasehold improvements Buildings, Riverboats, Leasehold, and Land Improvements [Member] Buildings, Riverboats, Leasehold, and Land Improvements Remainder of 2021 Debt Service Obligation, Maturities, Repayments of Principal, Remainder of Fiscal Year Debt Service Obligation, Maturities, Repayments of Principal, Remainder of Fiscal Year Loss Contingencies [Line Items] Loss Contingencies [Line Items] Property and equipment, net Total property and equipment, net Property, Plant and Equipment, Net Property and Equipment Property, Plant and Equipment Disclosure [Text Block] Domestic Gaming and Hospitality Properties Domestic Gaming And Hospitality Properties [Member] Domestic Gaming And Hospitality Properties AOCI Including Portion Attributable to Noncontrolling Interest AOCI Including Portion Attributable to Noncontrolling Interest [Member] Land and improvements Land and Land Improvements [Member] Long-term debt Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt Other long-term liabilities Other Liabilities, Noncurrent Senior Notes Due 2023 Senior Notes Due 2023 [Member] Senior Notes Due 2023 Marketable Securities Marketable Securities [Member] Marketable securities. Common stock shares acquired (in shares) Treasury Stock, Shares, Acquired Lender Name [Axis] Lender Name [Axis] Schedule of Finite-Lived Intangible Assets, Future Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Long-term debt Debt Instrument [Line Items] 5% Convertible Notes 5% Convertible Notes [Member] 5% Convertible Notes Earnings Per Share [Abstract] Gaming licenses and other intangibles, net Disposal Group, Including Discontinued Operation, Intangible Assets, Current Customer relationships Customer-Related Intangible Assets [Member] Diluted loss per share from discontinued operations (in dollar per shares) Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share Derivative instruments - FX forward Derivative Asset Recent Developments Related to COVID-19 Recent Developments Related To C O V I D19 [Policy Text Block] Recent developments related to COVID-19. Net revenues Business Acquisition, Pro Forma Revenue Total property and equipment Property, Plant and Equipment, Gross Debt instrument, covenant, leverage ratio, maximum Debt Instrument, Covenant, Leverage Ratio, Maximum Debt Instrument, Covenant, Leverage Ratio, Maximum Cumulative unrealized gains (losses) Equity Securities, FV-NI, Unrealized Gain (Loss) Related Party Transaction [Domain] Related Party Transaction [Domain] Document Quarterly Report Document Quarterly Report Silver Legacy Joint Venture Silver Legacy Joint Venture [Member] Represents the details pertaining to Silver Legacy Joint Venture. Unrealized Net Gains on Derivative Instruments Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest [Member] Amounts reclassified from accumulated other comprehensive income Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Senior Secured 60-day Bridge Loan Facility Senior Secured 60-day Bridge Loan Facility [Member] Senior Secured 60-day Bridge Loan Facility Trademarks Trademarks [Member] Foreign Exchange Contract Foreign Exchange Contract [Member] Proceeds from derivative settlement Proceeds from Derivative Instrument, Investing Activities Options weighted average exercise price (in USD per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Share conversion (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Conversion Basis Share-based Compensation Arrangement by Share-based Payment Award, Conversion Basis Entity Common Stock, Shares Outstanding (in shares) Entity Common Stock, Shares Outstanding Goodwill, gross, beginning balance Goodwill, gross, ending balance Goodwill, Gross EXPENSES: Costs and Expenses [Abstract] Long-term debt Long-term Debt, Excluding Current Maturities 2025 Debt Service Obligation, Maturities, Repayments of Principal, Due Year Four Debt Service Obligation, Maturities, Repayments of Principal, Due Year Four Liabilities: Liabilities, Fair Value Disclosure [Abstract] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Stock compensation expense Share-based Payment Arrangement, Expense Debt Securities, Trading, and Equity Securities, FV-NI [Table] Debt Securities, Trading, and Equity Securities, FV-NI [Table] Cash paid to retire Former Caesars debt Business Combination, Consideration Transferred, Liabilities Incurred 5% Convertible Notes Convertible Debt Securities [Member] Investment in Unconsolidated Affiliates Schedule of Equity Method Investments [Line Items] Goodwill and other intangibles Intangible Assets, Net (Including Goodwill) Net (loss) income per share of common stock: Earnings Per Share, Basic and Diluted [Abstract] Area of room Area of Room Area of Room Percentage of outstanding shares owned Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners Gain recognized on acquisition Gain Recognized On Acquisition Gain Recognized On Acquisition Document Fiscal Period Focus Document Fiscal Period Focus Effective tax rate Effective Income Tax Rate Reconciliation, Percent Horseshoe baltimore’s senior secured revolving credit facility Business Combination, Recognized Identifiable Asset Acquired and Liability Assumed, Line Of Credit Facility Business Combination, Recognized Identifiable Asset Acquired and Liability Assumed, Line Of Credit Facility Thereafter Long-Term Debt, Maturity, After Year Five Long-Term Debt, Maturity, After Year Five Net loss Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Caesars Digital Caesars Digital [Member] Caesars Digital Counterparty Name Counterparty Name [Axis] Number of acres contributed to date Acres Of Land Contributed To Variable Interest To Date Acres Of Land Contributed To Variable Interest To Date Total liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Construction in progress Construction in Progress [Member] 2023 Debt Service Obligation, Maturities, Repayments of Principal, Due Year Two Debt Service Obligation, Maturities, Repayments of Principal, Due Year Two Schedule of Derivative Instruments Schedule of Derivative Instruments [Table Text Block] Beginning balance (in shares) Ending balance (in shares) Shares, Issued Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Allowance for credit losses at the acquisition date based on the acquirer’s assessment Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] CURRENT ASSETS: Assets, Current [Abstract] Finite-lived intangible assets, gross Finite-Lived Intangible Assets, Gross Net investment in lease Net Investment in Lease, before Allowance for Credit Loss Cash Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents Entity Central Index Key Entity Central Index Key Number of ballrooms Number of Ballrooms Number of Ballrooms Schedule of Finite-Lived Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Acquisition of gaming rights and trademarks Payment for Acquisition Rights Payment for Acquisition Rights LIBOR London Interbank Offered Rate (LIBOR) [Member] Security Exchange Name Security Exchange Name Baltimore Term Loan Baltimore Term Loan [Member] Baltimore Term Loan Disposal Group Classification Disposal Group Classification [Domain] Equity Interest Type [Axis] Equity Interest Type [Axis] Exercise of stock options (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Weighted average diluted shares outstanding (in shares) Weighted average shares outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Other comprehensive income, net of tax Other Comprehensive Income (Loss), Net of Tax Fair Value Recurring Basis Fair Value, Recurring [Member] Income Taxes Income Tax Disclosure [Text Block] Accrued interest Interest Payable, Current Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Related Party Related Party [Domain] Current Fiscal Year End Date Current Fiscal Year End Date Debt service obligation Debt Service Obligation, Maturities, Repayments of Principal, Due Debt Service Obligation, Maturities, Repayments of Principal, Due Harrah’s Louisiana Downs Harrah’s Louisiana Downs [Member] Harrah’s Louisiana Downs Spread on variable rate (as a percent) Debt Instrument, Basis Spread on Variable Rate Schedule of Assets and Liabilities Held for Sale, Accounted Carrying Value Lower than Fair Value and Information of Net Operating Revenues and Net Income (Loss) Disposal Groups, Including Discontinued Operations [Table Text Block] Measurement Basis [Axis] Measurement Basis [Axis] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] 2026 Finite-Lived Intangible Asset, Expected Amortization, Year Five Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] OTHER EXPENSE: Nonoperating Income (Expense) [Abstract] Investments in unconsolidated affiliates Payments to acquire equity method investments Payments to Acquire Equity Method Investments Class of Stock [Line Items] Class of Stock [Line Items] Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Finite-Lived Intangible Assets, Major Class Name Finite-Lived Intangible Assets, Major Class Name [Domain] Credit Facility Credit Facility [Axis] Percentage of furloughed employees Percentage Of Furloughed Employees The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Shares issued to Former Caesars shareholders Stock Issued During Period, Value, Employee Stock Purchase Plan Other current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other CASH FLOWS FROM OPERATING ACTIVITIES: Net Cash Provided by (Used in) Operating Activities [Abstract] Decrease in goodwill Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Goodwill Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Goodwill Total current liabilities Liabilities, Current Taxes paid related to net share settlement of equity awards Payment, Tax Withholding, Share-based Payment Arrangement Cash consideration paid Payments to Acquire Businesses, Gross Restricted cash and investments Investments, beginning balance Investments, ending balance Restricted Cash and Investments Debt and Equity Securities, FV-NI [Line Items] Debt and Equity Securities, FV-NI [Line Items] Credit facility Line of Credit Facility, Maximum Borrowing Capacity Loss Contingencies [Table] Loss Contingencies [Table] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Ownership Ownership [Domain] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Proceeds from sale of equity securities Proceeds from Sale of Equity Securities, FV-NI Cash and cash equivalents and restricted cash - discontinued operations Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Disposal Group, Including Discontinued Operations Net cash provided by (used in) operating activities Net Cash Provided by (Used in) Operating Activities, Continuing Operations Assets held for sale ($0 and $130 attributable to our VIEs) Assets held for sale Assets held for sale Disposal Group, Including Discontinued Operation, Assets, Current Debt Instrument, Name Debt Instrument, Name [Domain] Title of 12(b) Security Title of 12(b) Security Fair Value Measurements, Recurring and Nonrecurring Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Fed Funds Effective Rate Overnight Index Swap Rate Fed Funds Effective Rate Overnight Index Swap Rate [Member] Statement [Table] Statement [Table] Recently Issued Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Reduction in annual lease payments for disposal of business Reduction In Annual Lease Payments For Disposal Of Business Reduction In Annual Lease Payments For Disposal Of Business Financing obligation Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Financing Obligation Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Financing Obligation Statistical Measurement Statistical Measurement [Axis] Contract receivable Construction Contractor, Receivable, Excluding Contract Retainage Unamortized premiums, discounts and deferred finance charges Debt Instrument, Unamortized Discount (Premium), Net Subsequent Event Subsequent Event [Member] Cash, cash equivalents and restricted cash, beginning of period Cash, cash equivalents and restricted cash, end of period Total cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Cover [Abstract] Cover [Abstract] Finite Lived And Indefinite Lived Intangible Assets By Major Class [Table] Finite Lived And Indefinite Lived Intangible Assets By Major Class [Table] Disclosure of finite-lived and indefinite-lived intangible assets, excluding goodwill, in total and by major class. Decrease in other assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Current Assets Long-term financing obligation Finance Lease, Liability, Noncurrent Finite-lived intangible assets, net, beginning balance Finite-lived intangible assets, net, ending balance Finite-lived intangible assets, net, total Finite-Lived Intangible Assets, Net Goodwill Goodwill Purchase price of financial assets Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price Noncontrolling interests Stockholders' Equity Attributable to Noncontrolling Interest Fair Value, Assets Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Vicksburg Vicksburg [Member] Vicksburg. Net loss from continuing operations, net of income taxes Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Self insurance reserve Self Insurance Reserve Other Indefinite-lived Intangible Assets [Roll Forward] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Major Property Class [Axis] Major Property Class [Axis] Insurance Carrier Insurance Carriers [Member] Insurance Carriers CEI Senior Notes CEI Senior Notes Due 2027 [Member] CEI Senior Notes Due 2027 Related Affiliates Related Party Transactions Disclosure [Text Block] Acquisition of William Hill Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Exchange for sale-leaseback financing obligation Exchange for Sale-leaseback Financing Obligation Exchange for Sale-leaseback Financing Obligation Number of acres contributed Acres Of Land Contributed To Variable Interest Reflects the acres of land contributed to variable interest. 2024 Debt Service Obligation, Maturities, Repayments of Principal, Due Year Three Debt Service Obligation, Maturities, Repayments of Principal, Due Year Three Caesars Rewards Caesars Rewards Programs [Member] Caesars Rewards Programs Adjusted EBITDA Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Adjusted EBITDA Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Adjusted EBITDA