Litigation, Contractual Commitments and Contingent Liabilities Litigation, Contractual Commitments and Contingent Liabilities - Additional Information (Details) - USD ($) shares in Millions, $ in Millions		12 Months Ended	72 Months Ended
		Dec. 31, 2018	Sep. 01, 2023	Dec. 31, 2017
Other Commitments [Line Items]
Other Accrued Liabilities, Current		$ 173		$ 192
Contractual Obligation, Sports Partnership	[1]	11,945
Contractual obligation, minimum guarantee		1
Share-based Compensation Arrangement by Share-based Payment Award Accelerated Compensation Cost		32
Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount		19
Bankruptcy Claims, Amount of Claims Filed		590
Accrued Liabilities		45		$ 112
Convertible Debt [Member]
Other Commitments [Line Items]
Restricted Cash and Cash Equivalents		$ 49
Common Stock, Capital Shares Reserved for Future Issuance		8
Convertible Notes Payable [Member]
Other Commitments [Line Items]
Obligations, Fair Value Disclosure		$ 32
VICI Properties, Inc. [Member]
Other Commitments [Line Items]
Long-term Purchase Commitment, Description		Under the CEOC LLC Lease Agreements and the Harrah’s Las Vegas lease, we are required to spend certain minimum amounts on capital expenditures.
Golf Courses [Member] | VICI Properties, Inc. [Member]
Other Commitments [Line Items]
Long-term Purchase Commitment, Period		35 years
Debt Instrument, Annual Principal Payment		$ 10
Annual Use Fee		3
Liabilities, Other than Long-term Debt, Noncurrent		143
Finance Lease, Right-of-Use Asset, Amortization		11
Contract Termination [Member]
Other Commitments [Line Items]
Business Exit Costs		48
Other Accrued Liabilities, Current		34
Business Exit Costs Fair Value		24
Scenario, Forecast [Member] | Contract Termination [Member]
Other Commitments [Line Items]
Business Exit Costs			$ 31
Sports Partnership [Member]
Other Commitments [Line Items]
Contractual Obligation, Sports Partnership		$ 177

[1] Debt principal payments are estimated amounts based on maturity dates and potential borrowings under our revolving credit facilities. Interest payments are estimated based on the forward-looking LIBOR curve and include the estimated impact of the ten interest rate swap agreements (see Note 8). Actual payments may differ from these estimates.