Debt - Debt Summary (Parenthetical) (Detail) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Weighted Average Interest Rate	3.10%	3.10%
Debt	$ 32,262,055	$ 30,879,263
Percentage of outstanding debt	100.00%	100.00%
GBP
Debt Instrument [Line Items]
Weighted Average Interest Rate	3.10%	3.10%
Debt	$ 1,772,102	$ 1,714,653
Percentage of outstanding debt	5.50%	5.60%
CAD
Debt Instrument [Line Items]
Weighted Average Interest Rate	4.60%	4.70%
Debt	$ 1,627,723	$ 1,262,508
Percentage of outstanding debt	5.00%	4.10%
EUR
Debt Instrument [Line Items]
Weighted Average Interest Rate	2.10%	2.10%
Debt	$ 10,425,583	$ 9,900,602
Percentage of outstanding debt	32.30%	32.10%
JPY
Debt Instrument [Line Items]
Weighted Average Interest Rate	1.20%	1.10%
Debt	$ 3,057,948	$ 2,910,755
Percentage of outstanding debt	9.50%	9.40%
USD
Debt Instrument [Line Items]
Weighted Average Interest Rate	4.10%	4.10%
Debt	$ 14,744,387	$ 14,457,872
Percentage of outstanding debt	45.70%	46.80%
Other
Debt Instrument [Line Items]
Weighted Average Interest Rate	3.60%	3.60%
Debt	$ 634,312	$ 632,873
Percentage of outstanding debt	2.00%	2.00%