Debt - Credit Facility - Additional Information (Detail) $ in Millions					12 Months Ended
	Feb. 13, 2025	Jan. 15, 2025	Aug. 06, 2024 USD ($)	Apr. 12, 2024 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023	Dec. 31, 2025 USD ($)	Aug. 31, 2024	Jun. 29, 2022 USD ($)
Debt Instrument [Line Items]
Adjustments to applicable margin						0.375%
Commitment fee					0.30%	0.25%
Line of credit facility, description						Prior to the 2024 amendments described below and at our election, loans were made as either alternate base rate loans ("ABR Loans") or loans for an interest period of either one, three, or six months ("Term Benchmark Loans").
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]	Secured Overnight Financing Rate (SOFR) [Member]
Minimum [Member]
Debt Instrument [Line Items]
Commitment fee						0.125%
Maximum [Member]
Debt Instrument [Line Items]
Commitment fee						0.30%
Alternate Base Rate [Member] | Minimum [Member]
Debt Instrument [Line Items]
Applicable margin for term loan						0.00%
Applicable margin for revolving loans						0.00%
Alternate Base Rate [Member] | Maximum [Member]
Debt Instrument [Line Items]
Applicable margin for term loan						0.70%
Applicable margin for revolving loans						0.50%
Term Benchmark Loans or RFR Loans [Member] | Minimum [Member]
Debt Instrument [Line Items]
Applicable margin for revolving loans						0.80%
Term Benchmark Loans or RFR Loans [Member] | Maximum [Member]
Debt Instrument [Line Items]
Applicable margin for revolving loans						1.50%
British Pound Sterling [Member] | Term loan due 2025
Debt Instrument [Line Items]
Debt instrument maturity year		2025			2025
Modified Covenant During the Period [Member]
Debt Instrument [Line Items]
Basis Points			3.00%
Percentage of proceeds of future asset sales and debt transactions			15.00%
Modified Covenant During the Period [Member] | British Pound Sterling [Member] | Term loan due 2025
Debt Instrument [Line Items]
Percentage of proceeds of future asset sales and debt transactions			50.00%
Debt instrument maturity year			2025	2025
Modified Covenant After the Period [Member]
Debt Instrument [Line Items]
Basis Points			2.25%
Credit Facility Amendment [Member]
Debt Instrument [Line Items]
Credit facility, current borrowing capacity			$ 1,280	$ 1,400					$ 1,800
Unsecured interest coverage ratio	225							300
Maximum total leverage ratio	60.00%
Secured leverage ratio	40.00%
Maximum ratio of secured first lien debt	65.00%
Credit Facility Amendment [Member] | Minimum [Member]
Debt Instrument [Line Items]
Unsecured interest coverage ratio	1.15		1.75
Maximum total leverage ratio			60.00%
Credit Facility Amendment [Member] | Maximum [Member]
Debt Instrument [Line Items]
Unsecured interest coverage ratio	1.3		1.45
Maximum total leverage ratio			65.00%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of credit facility, Borrowing capacity							$ 1,280
Revolver [Member]
Debt Instrument [Line Items]
Credit facilities, amount outstanding					$ 400		600
Line of credit facility, Borrowing capacity					$ 900		$ 700
Credit facilities, weighted average interest rate					6.60%		5.50%
Term Loan [Member]
Debt Instrument [Line Items]
Debt, face amount							$ 200
Interest rate at end of period						6.10%	7.50%
Term Loan [Member] | Term Benchmark Loans [Member] | Minimum [Member]
Debt Instrument [Line Items]
Applicable margin for term loan						0.875%
Term Loan [Member] | Term Benchmark Loans [Member] | Maximum [Member]
Debt Instrument [Line Items]
Applicable margin for term loan						1.70%