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 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 $205.2 and $202.3 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 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 Commitments and Contingencies Commitments and contingencies (Note 12) Stockholders' equity Common stock Common Stock, Value, Issued, Ending Balance Common Stock, Value, Issued, Beginning Balance Common stock; voting; $0.01 par value; 127.4 and 125.4 shares issued, respectively Common Stock, Value, Issued, Total Treasury Stock, Value Treasury stock; 2.1 and 0.3 shares, respectively Increase of treasury shares Treasury Stock, Value, Ending Balance Treasury Stock, Value, Beginning Balance Treasury stock; 2.1 and 0.3 shares, respectively 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 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 Common Stock, Par or Stated Value Per Share Common stock, par value Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Issued, Total Treasury Stock, Shares Treasury Stock, Shares, Ending Balance Treasury Stock, Shares, Beginning Balance Treasury stock, shares Consolidated Statements Of Comprehensive Loss [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 Write-Downs, Reserves, and Project Opening Costs, Net of Recoveries Write-Downs, Reserves, and Project Opening Costs, Net of Recoveries Write-downs, reserves, and project opening costs, net of recoveries Gain (Loss) on Sale of Stock in Subsidiary or Equity Method Investee Loss/(income) 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 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 before income taxes Income Tax Expense (Benefit) Benefit 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 Net loss Net loss Net Income (Loss) Attributable to Noncontrolling Interest Less: net loss/(income) attributable to non-controlling interests Less: net income attributable to non-controlling interests Net Income (Loss) Attributable to Noncontrolling Interest, Total Net income Net Income (Loss) Attributable to Parent Net (loss)/income Net loss attributable to Caesars Other Comprehensive Income (Loss), Net of Tax [Abstract] Other comprehensive income/(loss): Comprehensive Income, Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive loss attributable to Caesars Total other comprehensive income, net of income taxes of $2.9 and $17.4 Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Noncontrolling Interest Less: foreign currency translations adjustments attributable to non-controlling interests Less: foreign currency translations adjustments attributable to non-controlling interests Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive loss attributable to Caesars Earnings Per Share, Basic and Diluted Loss per share - basic and diluted Loss per share - basic and diluted Weighted Average Number of Shares Outstanding, Basic and Diluted Weighted-average common shares outstanding - basic and diluted Other Comprehensive Income (Loss), Tax Total other comprehensive income, tax Other Comprehensive Income (Loss), Tax, Total Consolidated Statements Of Stockholders' Equity [Abstract] Statement, Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Parent [Member] Total Caesars Stockholders' Equity [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 Income/(Loss) [Member] Noncontrolling Interest [Member] Non-Controlling Interests [Member] Common Stock [Member] Common Stock [Member] 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 Initial Public Offering Initial public offering Contributions and contractual obligations from non-controlling interests, Net of distributions. Contributions and Contractual Obligations from Non-Controlling Interests, Net of Distributions Contributions and contractual obligations from non-controlling interests, net of distributions Noncontrolling Interest, Period Increase (Decrease) Distributions to non-controlling interests, net of contributions Distributions to non-controlling interests, net of contributions Noncontrolling Interest, Period Increase (Decrease), Total Other Comprehensive Income (Loss), Net of Tax Total other comprehensive income, net of income taxes of $2.9 and $17.4 Other comprehensive income/(loss), net of tax Other comprehensive income, net of tax New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification Effect of ASU 2010-16 Accruals for Casino Jackpot Liabilities, net of tax Consolidated Statements Of Cash Flows [Abstract] Cash flows from operating activities Adjustments to reconcile net loss 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 Reclassification from, and amortization of, accumulated other comprehensive loss Reclassification from, and Amortization of, Accumulated Other Comprehensive Loss 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 and reserves, net of 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 Deferred Charges Change in deferred charges and other Change in deferred charges and other Increase (Decrease) in Deferred Liabilities Change in deferred credits and other Increase (Decrease) in Deferred Liabilities, Total Increase (Decrease) in Operating Capital [Abstract] Change in current assets and liabilities: Increase (Decrease) in Accounts Receivable Accounts receivable Accounts receivable Prepayments and Other Current Assets Prepayments and other current assets Increase (Decrease) in Prepaid Expense and Other Assets, Total Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Accounts Payable, Total Increase (Decrease) in Interest Payable, Net Interest payable Increase (Decrease) in Accrued Liabilities Accrued expenses Increase (Decrease) in Accrued Liabilities, Total 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 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 the 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 interests in subsidiary Purchase of additional interest in subsidiary Proceeds from (Payments to) Noncontrolling Interests Non-controlling interests' distributions, net of contributions Non-controlling interests' contributions, net of distributions Proceeds from (Payments to) Noncontrolling Interests, Total Non-controlling interests' contributions, net of distributions Proceeds from Issuance Initial Public Offering Initial public offering Issuance of common stock in public offering, net of fees Proceeds from (Payments for) Other Financing Activities Other Other Net Cash Provided by (Used in) Financing Activities Cash flows provided by/(used in) financing activities Cash and Cash Equivalents, Period Increase (Decrease) Net increase/(decrease) in cash and cash equivalents Organization And Basis Of Presentation [Abstract] Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Organization And Basis Of Presentation 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 Debt [Abstract] Debt Disclosure [Text Block] Debt Derivative Instruments [Abstract] Derivative Instruments and Hedging Activities Disclosure [Text Block] Derivative Instruments Stockholders' Equity, Non-controlling Interests, And Loss Per Share. Stockholders' Equity, Non-Controlling Interests, And Loss Per Share [Abstract] The entire disclosure for earnings/(loss) per share as well as the disclosure for stockholders' equity, comprised of portions attributable to the parent entity and noncontrolling interest, if any, which could include the name of the subsidiary, the ownership percentage held by the parent, the ownership percentage held by the noncontrolling owners, the amount of the noncontrolling interest, an explanation of the increase or decrease in the amount of the noncontrolling interest, and the nature of the noncontrolling interest such as background information and terms. Stockholders' Equity, Non-controlling Interests, and Loss Per Share [Text Block] Stockholders' Equity, Non-Controlling Interests, And Loss Per Share Stock-Based Employee Compensation [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Stock-Based Employee Compensation Write-Downs, Reserves, And Project Opening Costs, Net Of Recoveries [Abstract] Write-Downs, Reserves, And Project Opening Costs, Net Of Recoveries. Write-Downs, Reserves, And Project Opening Costs, Net Of Recoveries [Text Block] Write-Downs, Reserves, And Project Opening Costs, Net Of Recoveries Income Taxes [Abstract] Income Tax Disclosure [Text Block] Income Taxes Fair Value Measurements [Abstract] Fair Value, Measurement Inputs, Disclosure [Text Block] Fair Value Measurements Litigation, Commitments, And Contingent Liabilities [Abstract] Commitments and Contingencies Disclosure [Text Block] Litigation, Commitments, And Contingent Liabilities Supplemental Cash Flow Disclosures [Abstract] Cash Flow, Supplemental Disclosures [Text Block] Supplemental Cash Flow Disclosures Related Party Transactions [Abstract] dup_1_Related Party Transaction, Due from (to) Related Party, Noncurrent, Total Related Party Transactions Disclosure [Text Block] Related Party Transactions Recent Accounting Pronouncements [Abstract] The entire disclosure of changes in accounting principles, including adoption of new accounting pronouncements, that describes the new methods, amount and effects on financial statement line items. New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Recent Accounting Pronouncements Subsequent Events [Abstract] Subsequent Events [Text Block] Subsequent Events Consolidating Financial Information Of Guarantors And Issuers [Abstract] Schedule of Condensed Financial Statements [Text Block] Consolidating Financial Information Of Guarantors And Issuers Treasury Stock [Member] Treasury Stock [Member]