Debt - Debt Summary (Parenthetical) (Detail) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Weighted Average Interest Rate	3.20%	3.10%
Debt	$ 34,666,551	$ 30,879,263
Percentage of outstanding debt	100.00%	100.00%
GBP
Debt Instrument [Line Items]
Weighted Average Interest Rate	3.00%	3.10%
Debt	$ 1,875,616	$ 1,714,653
Percentage of outstanding debt	5.40%	5.60%
CAD
Debt Instrument [Line Items]
Weighted Average Interest Rate	4.50%	4.70%
Debt	$ 1,735,774	$ 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	$ 11,493,729	$ 9,900,602
Percentage of outstanding debt	33.20%	32.10%
JPY
Debt Instrument [Line Items]
Weighted Average Interest Rate	1.20%	1.10%
Debt	$ 3,188,887	$ 2,910,755
Percentage of outstanding debt	9.20%	9.40%
USD
Debt Instrument [Line Items]
Weighted Average Interest Rate	4.10%	4.10%
Debt	$ 15,719,356	$ 14,457,872
Percentage of outstanding debt	45.30%	46.80%
Other
Debt Instrument [Line Items]
Weighted Average Interest Rate	3.70%	3.60%
Debt	$ 653,189	$ 632,873
Percentage of outstanding debt	1.90%	2.00%