Debt - Summary of Debt (Detail) $ in Thousands, £ in Millions		Sep. 30, 2023 USD ($)		Sep. 30, 2023 GBP (£)	Dec. 31, 2022 USD ($)
Debt Instrument [Line Items]
Debt		$ 10,204,130			$ 10,325,499
Debt issue costs and discount, net		(47,051)			(57,087)
Debt, net		10,157,079			10,268,412
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt	[1]	1,354,294			929,584
Term Loan [Member]
Debt Instrument [Line Items]
Debt		200,000			200,000
Term Loan [Member] | Australia [Member]
Debt Instrument [Line Items]
Debt	[2]	302,445			817,560
Term loan due 2024 | British Pound Sterling [Member]
Debt Instrument [Line Items]
Debt	[2]	127,907			126,690
Term loan due 2025 | British Pound Sterling [Member]
Debt Instrument [Line Items]
Debt	[2]	853,930			845,810
2.550% Senior Unsecured Notes due 2023 [Member]
Debt Instrument [Line Items]
Debt		439,399	[2]	£ 40	483,320	[2]
3.325% Senior Unsecured Notes due 2025 [Member]
Debt Instrument [Line Items]
Debt	[2]	528,650			535,250
0.993% Senior Unsecured Notes due 2026 [Member]
Debt Instrument [Line Items]
Debt	[2]	528,650			535,250
2.500% Senior Unsecured Notes due 2026 [Member]
Debt Instrument [Line Items]
Debt	[2]	609,950			604,150
5.250% Senior Unsecured Notes due 2026 [Member]
Debt Instrument [Line Items]
Debt		500,000			500,000
5.000% Senior Unsecured Notes due 2027 [Member]
Debt Instrument [Line Items]
Debt		1,400,000			1,400,000
3.692% Senior Unsecured Notes due 2028 [Member]
Debt Instrument [Line Items]
Debt	[2]	731,940			724,980
4.625% Senior Unsecured Notes due 2029 [Member]
Debt Instrument [Line Items]
Debt		900,000			900,000
3.375% Senior Unsecured Notes due 2030 [Member]
Debt Instrument [Line Items]
Debt	[2]	426,965			422,905
3.500% Senior Unsecured Notes due 2031 [Member]
Debt Instrument [Line Items]
Debt		$ 1,300,000			$ 1,300,000

[1] Includes £77 million of GBP-denominated borrowings and €303 million of Euro-denominated borrowings that reflect the applicable exchange rates at September 30, 2023.

[2] Non-U.S. dollar denominated debt reflects the exchange rates at September 30, 2023 and December 31, 2022.