Debt - Debt Summary (Parenthetical) (Detail) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Weighted Average Interest Rate	1.80%	1.60%
Debt	$ 18,139,299	$ 17,715,054
Percentage of outstanding debt	100.00%	100.00%
GBP
Debt Instrument [Line Items]
Weighted Average Interest Rate	2.20%	2.10%
Debt	$ 1,143,856	$ 1,376,807
Percentage of outstanding debt	6.30%	7.80%
CAD
Debt Instrument [Line Items]
Weighted Average Interest Rate	3.90%	2.70%
Debt	$ 441,252	$ 283,773
Percentage of outstanding debt	2.40%	1.60%
EUR
Debt Instrument [Line Items]
Weighted Average Interest Rate	1.20%	1.00%
Debt	$ 7,618,592	$ 7,408,407
Percentage of outstanding debt	42.00%	41.80%
JPY
Debt Instrument [Line Items]
Weighted Average Interest Rate	0.90%	0.90%
Debt	$ 2,857,718	$ 2,878,542
Percentage of outstanding debt	15.80%	16.20%
USD
Debt Instrument [Line Items]
Weighted Average Interest Rate	2.70%	2.60%
Debt	$ 6,077,881	$ 5,767,525
Percentage of outstanding debt	33.50%	32.60%