Document And Entity Information [Abstract] Document And Entity Information [Abstract] Statement [Table] Statement [Line Items] Document Type Amendment Flag Document Fiscal Period Focus Document Period End Date Document Fiscal Year Focus Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Entity Filer Category Entity Common Stock, Shares Outstanding Entity Current Reporting Status Entity Voluntary Filers Entity Public Float Entity Well-known Seasoned Issuer Trading Symbol Consolidated Balance Sheets [Abstract] Assets Cash and cash equivalents Cash and cash equivalents, end of period Cash and cash equivalents, beginning of period Cash and cash equivalents Cash and cash equivalents, end of period Receivables, Net, Current Receivables, less allowance for doubtful accounts of $202.3 and $216.3 Receivables, Net, Current, Total Deferred Tax Assets Net Current Deferred Tax Assets, Net, Current, Ending Balance Deferred Tax Assets, Net, Current, Beginning Balance Deferred income taxes Deferred Tax Assets, Net, Current, Total Prepaid Expense and Other Assets, Current Prepayments and other current assets Prepaid Expense and Other Assets, Current, Total Inventories Inventories Inventory, Net, Total Total current assets Total current assets Property, Plant and Equipment, Net Property, Plant and Equipment, Net, Ending Balance Property, Plant and Equipment, Net, Beginning Balance Property and equipment, net of accumulated depreciation of $2,681.3 and $1,991.5 Total property, plant and equipment, net Goodwill Goodwill, Ending Balance Goodwill, Beginning Balance Goodwill Goodwill, Total Intangible assets other than goodwill Intangible assets other than goodwill Intangible Assets, Net (Excluding Goodwill), Total Investments in and advances to non-consolidated affiliates Investments in and advances to non-consolidated affiliates Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures, Total Restricted Cash and Cash Equivalents Restricted cash Aggregate carrying amount, as of the balance sheet date, of noncurrent assets not separately disclosed in the balance sheet, including the net amount of long-term deferred finance costs capitalized at the end of the reporting period. Noncurrent assets are expected to be realized or consumed after one year. Deferred Charges And Other Noncurrent Deferred charges and other Assets, Total Total assets Liabilities and Stockholders' Equity Liabilities and Stockholders' Equity Accounts payable Accounts payable Accounts Payable, Current, Total Interest payable Interest payable Accrued Liabilities, Current Accrued expenses Accrued Liabilities, Current, Total Current portion of long-term debt Current portion of long-term debt Long-term Debt, Current Maturities, Total Total current liabilities Total current liabilities Long-term debt Long-term debt Long-term Debt, Excluding Current Maturities, Total Liabilities, Other than Long-term Debt, Noncurrent Deferred credits and other Liabilities, Other than Long-term Debt, Noncurrent, Total Deferred income taxes Liabilities Total liabilities Stockholders' equity Common stock Common Stock, Value, Issued, Ending Balance Common Stock, Value, Issued, Beginning Balance Common stock; voting; $0.01 par value; 1,250.0 shares authorized; 125.1 shares issued and outstanding (net of 0.3 shares held in treasury) Common Stock, Value, Issued, Total Additional paid-in capital Additional Paid in Capital, Ending Balance Additional Paid in Capital, Beginning Balance Additional paid-in capital Additional Paid in Capital, Total Accumulated deficit Accumulated deficit Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit), Beginning Balance Accumulated deficit Retained Earnings (Accumulated Deficit), Total Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Stockholders' Equity Attributable to Parent Total Harrah's Entertainment, Inc. Stockholders' equity/(deficit) Stockholders' Equity Attributable to Parent, Ending Balance Stockholders' Equity Attributable to Parent, Beginning Balance Total Caesars stockholders' equity Stockholders' Equity Attributable to Noncontrolling Interest Stockholders' Equity Attributable to Noncontrolling Interest, Ending Balance Stockholders' Equity Attributable to Noncontrolling Interest, Beginning Balance Non-controlling interests Stockholders' Equity Attributable to Noncontrolling Interest, Total Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Balance Balance Total stockholders' equity/(deficit) Total stockholders' equity Liabilities and Stockholders' Equity element Total liabilities and Stockholder's equity/(deficit) Allowance for Doubtful Accounts Receivable, Current Allowance for Doubtful Accounts Receivable, Current, Ending Balance Allowance for Doubtful Accounts Receivable, Current, Beginning Balance Allowance for doubtful accounts receivable Less: accumulated depreciation Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance Property and equipment accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total Common Stock, Par or Stated Value Per Share Common stock, par value Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Issued, Total Common Stock, Shares, Outstanding Common Stock, Shares, Outstanding, Ending Balance Common Stock, Shares, Outstanding, Beginning Balance Common stock, shares outstanding Treasury Stock, Shares Treasury Stock, Shares, Ending Balance Treasury Stock, Shares, Beginning Balance Treasury stock, shares Consolidated Condensed Statements Of Operations [Abstract] Revenues [Abstract] Revenues Casino Revenue Casino Food and Beverage Revenue Food and beverage Occupancy Revenue Rooms Management Fees Revenue Management fees Management Fees Revenue, Total Sales Revenue, Services, Other Other Promotional Allowances Less: casino promotional allowances Less: Promotional Allowances Sales Revenue, Net Net revenues Direct Operating Costs [Abstract] Operating expenses Casino Expenses Casino Food and Beverage, Cost of Sales Food and beverage Occupancy Costs Rooms Property General, Administrative and Other Property, general, administrative, and other Selling, General and Administrative Expense, Total Depreciation, Depletion and Amortization, Nonproduction Depreciation Depreciation, Depletion and Amortization, Nonproduction, Total Depreciation and amortization The net cost or benefit of various pre-tax charges to record certain long-lived tangible asset impairments, contingent liability or litigation reserves or settlements, costs associated with efficiency projects, project write-offs, demolition costs, permit remediation costs, recoveries of previously recorded reserves, other non-routine transactions and project opening costs. Write-Downs, Reserves, Recoveries, and Project Opening Costs Write-downs, reserves, recoveries, and project opening costs The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (whether indefinite-lived or finite-lived), including goodwill, to fair value. Impairment Of Intangible Assets Including Goodwill Impairment of goodwill and other non-amortizing intangible assets Gain (Loss) on Sale of Stock in Subsidiary or Equity Method Investee Loss on interests in non-consolidated affiliates Loss on interests in nonconsolidated affiliates Income (Loss) from Equity Method Investments, Total The aggregate of expenses representing unallocated payroll and various other expenses not directly related to the Company's casino resort operations. Corporate Expense Corporate expense Business Combination, Integration Related Costs Acquisition and integration costs Amortization of Intangible Assets Amortization of intangible assets Amortization of Intangible Assets, Total Operating Expenses Total operating expenses Operating Income (Loss) Income/(loss) from continuing operations Income/(loss) from operations Interest Expense Interest expense, net of interest capitalized Interest expense, net of interest capitalized Interest Expense, Total Gains (Losses) on Extinguishment of Debt Gains on early extinguishments of debt Gains on early extinguishments of debt Gains on early extinguishments of debt Gains (Losses) on Extinguishment of Debt, Total Gains/(losses) on early extinguishments of debt Other Nonoperating Income (Expense) Other income, including interest income Other income, including interest income Other Nonoperating Income (Expense), Total Other income, including interest income Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest (Loss)/income before income taxes Income Tax Expense (Benefit) Benefit/(provision) for income taxes Benefit/(provision) for income taxes Income Tax Expense (Benefit), Total Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss Net (loss)/income Net (loss)/income Net (loss)/income Net Income (Loss) Attributable to Noncontrolling Interest Less: net income attributable to non-controlling interests Less: net income attributable to non-controlling interests Net Income (Loss) Attributable to Noncontrolling Interest, Total Net Income (Loss) Attributable to Parent Net (loss)/income Net (loss)/income attributable to Caesars Dividends, Preferred Stock, Stock Preferred stock dividends Preferred stock dividends Net Income (Loss) Available to Common Stockholders, Basic Net (loss)/income Net (loss)/income attributable to common stockholders (Loss)/Earnings Per Share [Abstract] (Loss)/earnings per share Earnings Per Share, Basic Basic Net (loss)/income Earnings Per Share, Diluted Diluted Net (loss)/income Weighted-average common shares outstanding Weighted-average common shares outstanding Weighted Average Number of Shares Outstanding, Basic Basic Basic weighted-average common shares outstanding Weighted Average Number of Shares Outstanding, Diluted Diluted Diluted weighted-average common shares outstanding Consolidated Statements Of Stockholders' (Deficit)/Equity And Comprehensive Income/(Loss) [Abstract] Adjustments for New Accounting Pronouncements [Axis] Type Of Adoption [Member] Type of Adoption [Domain] Cumulative Effect Adjustment Deconsolidation Of Variable Interest Entity [Member] Cumulative-Effect Adjustment, Deconsolidation of Variable Interest Entity [Member] Statement, Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Parent [Member] Parent [Member] Common Stock [Member] Common Stock [Member] Additional Paid In Capital [Member] Additional Paid-In Capital [Member] Retained Earnings [Member] Accumulated Deficit [Member] Accumulated Other Comprehensive Income [Member] Accumulated Other Comprehensive Loss [Member] Noncontrolling Interest [Member] Non-Controlling Interests [Member] Comprehensive Income [Member] Comprehensive Income/(Loss) [Member] Shares, Issued Balance, shares Balance, shares New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification Effect of change in accounting for accruals for casino jackpot liabilities, net of tax Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition, Total Share-based compensation Treasury Stock, Value, Acquired, Cost Method Repurchase of treasury shares, value Repurchase of treasury shares, value Repurchase of Treasury Shares Repurchase of treasury shares Repurchase of treasury shares Cumulative Preferred Stock Dividends Cumulative preferred stock dividends Cumulative preferred stock dividends Cancellation of cumulative preferred stock dividends in connection with conversion of preferred stock to common stock. Cancellation of Cumulative Preferred Stock Dividends in Connection with Conversion of Preferred Stock to Common Stock Cancellation of cumulative preferred stock dividends in connection with conversion of preferred stock to common stock Stock Issued During Period, Value, Conversion of Convertible Securities Conversion of non-voting perpetual preferred stock to non-voting common stock Stock Issued During Period, Shares, Conversion of Convertible Securities Conversion of non-voting perpetual preferred stock to non-voting common stock, shares The gross value of stock issued during the period upon the conversion of debt to common stock. Stock Issued During period Value Conversion of Debt To Common Stock Private Placement Number of shares issued during the period as a result of the conversion of debt to common stock. Stock Issued During period Shares Conversion of Debt To Common Stock Private Placement, shares Increases or decreases, net of tax, to Additional Paid in Capital in connection with a related party debt exchange transaction. Related Party Debt Exchange Transaction Net of Tax Related party debt exchange transaction, net of tax Other Comprehensive Income, Defined Benefit Plans Adjustment, Net of Tax Pension adjustment, net of tax benefit of $0.0 Defined benefit plan adjustments, net of tax Other Comprehensive Income, Defined Benefit Plans Adjustment, Net of Tax, Total Other Comprehensive Income, Foreign Currency Transaction and Translation Adjustment, Net of Tax Foreign currency translation adjustments, net of tax Other Comprehensive Income, Foreign Currency Transaction and Translation Adjustment, Net of Tax, Total Other Comprehensive Income, Derivatives Qualifying as Hedges, Net of Tax Fair market value of swap agreements, net of tax Change in fair market value of derivatives, net of taxes Other Comprehensive Income, Derivatives Qualifying as Hedges, Net of Tax, Total Increases or decreases to Additional Paid in Capital as a result of ASC 740 implications. Adjustment For ASC 740 Tax Implications Adjustment for ASC 740 tax implications Adjustment for ASC 740 tax implications Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Distributions to non-controlling interests, net of contributions Non-controlling distributions, net of contributions Distributions to non-controlling interests, net of contributions Other Comprehensive Income, Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax Reclassification of loss on derivative instruments from other comprehensive loss to interest expense, net of tax Reclassification of loss on derivative instruments from other comprehensive loss to interest expense, net of tax Reclassification of loss on interest rate locks from other comprehensive loss to interest expense, net of tax provision of $0.2 Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests). Changes in Non-Controlling Interests Changes in non-controlling interests Changes in non-controlling interests Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Purchase of additional interest in subsidiary Purchase of additional interest in subsidiary Payments to Acquire Interest in Subsidiaries and Affiliates, Total Adjustments to Additional Paid in Capital, Other Other Other Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Unrealized gains/losses on investments, net of tax Unrealized gains on investments, net of tax Represents the cumulative-effect adjustment on retained earnings for deconsolidation of a variable interest entity or group of variable interest entities upon application of new accounting guidance. Effect of Deconsolidation of Variable Interest Entities Equity Impact Effect of deconsolidation of variable interest entities Effect of deconsolidation of variable interest entities Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive Loss/income Consolidated Condensed Statements Of Cash Flows [Abstract] Cash flows from operating activities Adjustments to reconcile net (loss)/income to cash flows provided by operating activities: Depreciation, Depletion and Amortization Depreciation and amortization Depreciation, Depletion and Amortization, Total Amortization of Financing Costs and Discounts Amortization of deferred finance costs and debt discount/premium Amortization of Financing Costs and Discounts, Total The component of interest expense representing the noncash expenses charged against earnings in the period due to the reclassification adjustment for accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges included in accumulated comprehensive income and the amortization of accumulated other comprehensive income components. Other Comprehensive Income Reclassification Adjustment on Derivatives Included in Net Income Gross Reclassification from, and amortization of, accumulated other comprehensive loss The net non-cash cost or benefit of various pre-tax charges to record certain long-lived tangible asset impairments, contingent liability or litigation reserves or settlements, costs associated with efficiency projects, project write-offs, demolition costs, permit remediation costs, recoveries of previously recorded reserves and other non-routine transactions. Non Cash Write downs, Reserves and Recoveries, net Non-cash write-downs, reserves, and recoveries Share-based Compensation Share-based compensation expense Share-based Compensation, Total Share-based compensation Deferred Income Tax Expense (Benefit) Deferred income taxes Deferred Income Tax Expense (Benefit), Total Increase (Decrease) in Income Taxes Receivable Federal income tax refund received Change in federal income tax receivable Increase (Decrease) in Other Noncurrent Assets and Liabilities, Net Net change in long-term accounts Net change in long-term accounts Net change in long-term accounts Increase (Decrease) in Other Current Assets and Liabilities, Net Net change in working capital accounts Net change in working capital accounts Net change in working capital accounts Other Operating Activities, Cash Flow Statement Other Net Cash Provided by (Used in) Operating Activities Cash flows provided by operating activities Cash flows from investing activities Payments to Acquire Property, Plant, and Equipment Acquisitions of property and equipment, net of change in construction payables Land, buildings, riverboats and equipment additions, net of change in construction payables Payments to Acquire Property, Plant, and Equipment, Total Increase (Decrease) in Restricted Cash Change in restricted cash Change in restricted cash Increase (Decrease) in Restricted Cash, Total Payments to Acquire Businesses and Interest in Affiliates Payments to acquire businesses, net of transaction costs and cash acquired Investments in subsidiaries Payments to Acquire Businesses and Interest in Affiliates, Total Payments to Acquire Additional Interest in Subsidiaries Purchase of additional interests in subsidiary Purchase of additional interest in subsidiary Payments to Acquire Management Contract Rights Payments made to acquire certain gaming rights Payment made for Pennsylvania gaming rights Payments for Advance to Affiliate Investments in/advances to non-consolidated affiliates and other Investments in and advances to non-consolidated affiliates Payments for (Proceeds from) Other Investing Activities Other Other Net Cash Provided by (Used in) Investing Activities Cash flows used in investing activities Cash flows from financing activities Proceeds from Issuance of Long-term Debt Proceeds from issuance of long-term debt Proceeds from Issuance of Long-term Debt, Total Payments of Debt Issuance Costs Debt issuance costs and fees Debt issuance costs Borrowings Under Lending Agreements Borrowings under lending agreements Repayments Under Lending Agreements Repayments under lending agreements Repayments under lending agreements Early Repayment of Senior Debt Cash paid for early extinguishments of debt Scheduled Debt Retirements Scheduled debt retirements Scheduled debt retirements Repayments of Long-term Debt, Total The cash outflow associated with the purchase of noncontrolling interest during the period pursuant to a put-call agreement. Purchase Of Additional Interests In Subsidiary1 Purchase of additional interest in subsidiary Purchase of additional interest in subsidiary Proceeds from (Payments for) Other Financing Activities Other Other Net Cash Provided by (Used in) Financing Activities Cash flows provided by financing activities Effect of Deconsolidation of Variable Interest Entities. Effect of Deconsolidation of Variable Interest Entities Effect of deconsolidation of variable interest entities Cash and Cash Equivalents, Period Increase (Decrease) Net (decrease)/increase in cash and cash equivalents Summary Of Significant Accounting Policies [Abstract] Significant Accounting Policies [Text Block] Summary Of Significant Accounting Policies Recently Issued Accounting Pronouncements [Abstract] Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Recently Issued Accounting Pronouncements Development And Acquisition Activity [Abstract] Business Combination Disclosure [Text Block] Development And Acquisition Activity Property And Equipment, Net [Abstract] Property, Plant and Equipment Disclosure [Text Block] Property And Equipment, Net Goodwill And Other Intangible Assets [Abstract] Goodwill and Intangible Assets Disclosure [Text Block] Goodwill And Other Intangible Assets Detail of accrued expenses. Detail Of Accrued Expenses [Abstract] Detail of accrued expenses. Detail Of Accrued Expenses [Text Block] Detail Of Accrued Expenses Debt [Abstract] Debt Disclosure [Text Block] Debt Derivative Instruments [Abstract] Derivative Instruments and Hedging Activities Disclosure [Text Block] Derivative Instruments Stockholders' Equity [Abstract] Stockholders' Equity Note Disclosure [Text Block] Stockholders' Equity Accumulated Other Comprehensive Loss [Abstract] Comprehensive Income Note [Text Block] Accumulated Other Comprehensive Loss Write-Downs, Reserves, Recoveries, And Project Opening Costs [Abstract] Write-downs, Reserves and Recoveries [Text Block] Write-downs, Reserves and Recoveries [Text Block] Write-Downs, Reserves, Recoveries, And Project Opening Costs Income Taxes [Abstract] Income Tax Disclosure [Text Block] Income Taxes Fair Value Measurements [Abstract] Fair Value, Measurement Inputs, Disclosure [Text Block] Fair Value Measurements