Other Liabilities (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022		Dec. 31, 2021
Other Liabilities [Line Items]
Other Liabilities, non-current	$ 1,914	$ 1,950
Costs Incurred, Asset Retirement Obligation Incurred	6	4
Asset Retirement Obligation, Accretion Expense	24	20
Asset Retirement Obligation, Revision of Estimate	0	37	[1]
Asset Retirement Obligation, Liabilities Settled	(2)	(3)
Estimated Future Undiscounted Cash Flows Expected To Be Paid Relating To Asset Retirement Obligations	1,200
Amortization of Below Market Tenant Lease	45	49		$ 54
Below Market Lease, Amortization Income, Year One	41
Below-market tenant leases - amortization income - year 2	33
Below Market Lease, Amortization Income, Year Three	25
Below Market Lease, Amortization Income, Year Four	20
Below Market Lease, Amortization Income, after Year Five	18
Accrued Payroll and Other Compensation	140	210
Deferred rental revenues [Domain]
Other Liabilities [Line Items]
Other Liabilities, non-current	1,310	1,337
Deferred credits, net [Member]
Other Liabilities [Line Items]
Other Liabilities, non-current	216	261
Asset retirement obligation [Member]
Other Liabilities [Line Items]
Other Liabilities, non-current	355	327		$ 269
Deferred tax liability, noncurrent [Member]
Other Liabilities [Line Items]
Other Liabilities, non-current	26	18
Other long-term liabilities[Member]
Other Liabilities [Line Items]
Other Liabilities, non-current	$ 7	$ 7

[1] Primarily relates to (1) increases in estimated undiscounted cash flows and (2) adjustments to estimated settlement dates for the year ended December 31, 2022, for certain asset retirement obligations and is offset against the associated asset retirement costs recorded within "Property and equipment, net" on the Company's consolidated balance sheet.