Debt - 2023 Activity - Additional Information (Detail) $ in Thousands, £ in Millions, $ in Millions		12 Months Ended
	Dec. 05, 2023 GBP (£)	Dec. 31, 2023 USD ($)	Dec. 31, 2023 AUD ($)	Dec. 31, 2023 GBP (£)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Debt Instrument [Line Items]
Principal amount | $					$ 9,830,872	$ 8,919,219
Australia Transaction [Member]
Debt Instrument [Line Items]
Proceeds from the sale of first tranche prepay		$ 475,000	$ 730
Term loan | $		1,200,000
2.550% Senior Unsecured Notes due 2023 [Member]
Debt Instrument [Line Items]
Principal amount | £				£ 50.0
Senior unsecured notes, interest rate	2.55%			2.55%
Purchase yield average percentage				13.00%
Gain on prepayment of Debt		$ 1,100		£ 1.1
Debt instrument paid off | £	£ 350.0