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Debt, U.S. Senior Notes (Details) $ in Millions					9 Months Ended
Debt, U.S. Senior Notes (Details) $ in Millions	Jun. 12, 2025 USD ($)	Mar. 03, 2025 USD ($)	Oct. 31, 2024 USD ($) loan	Apr. 05, 2024 USD ($) loan	Sep. 30, 2025	Dec. 31, 2024
U.S. Senior Notes
Debt
Redemption price as a percentage of principal amount					100.00%
2024 Senior Notes
Debt
Number of series of unsecured senior notes issued \| loan				3
Redemption price as a percentage of principal amount				100.00%
2.05% Senior Notes due March 2025
Debt
Stated interest rate (as a percent)		2.05%				2.05%
Debt maturity date		Mar. 01, 2025
Repayments of Senior Notes		$ 400.0
4.375% Senior Notes due June 2028
Debt
Debt instrument, principal amount	$ 750.0
Stated interest rate (as a percent)	4.375%				4.375%
Debt maturity date	Jun. 12, 2028
Debt instrument, face amount, net of discount (as a percent)	99.911%
Redemption price as a percentage of principal amount	100.00%
5.050% Senior Notes due April 2027
Debt
Debt instrument, principal amount			$ 700.0	$ 450.0
Stated interest rate (as a percent)			5.05%	5.05%	5.05%	5.05%
Debt maturity date			Apr. 05, 2027	Apr. 05, 2027
Debt instrument, face amount, net of discount (as a percent)				99.887%
5.050% Senior Notes due April 2027 \| Prior To March 5 2027
Debt
Redemption price as a percentage of principal amount				100.00%
5.050% Senior Notes due April 2029
Debt
Debt instrument, principal amount				$ 450.0
Stated interest rate (as a percent)				5.05%	5.05%	5.05%
Debt maturity date				Apr. 05, 2029
Debt instrument, face amount, net of discount (as a percent)				99.90%
5.050% Senior Notes due April 2029 \| Prior To March 5 2029
Debt
Redemption price as a percentage of principal amount				100.00%
5.250% Senior Notes due April 2034
Debt
Debt instrument, principal amount				$ 600.0
Stated interest rate (as a percent)				5.25%	5.25%	5.25%
Debt maturity date				Apr. 05, 2034
Debt instrument, face amount, net of discount (as a percent)				99.90%
5.250% Senior Notes due April 2034 \| Prior To January 5 2034
Debt
Redemption price as a percentage of principal amount				100.00%
October Senior Notes
Debt
Number of series of unsecured senior notes issued \| loan			3
Redemption price as a percentage of principal amount			100.00%
5.000% Senior Notes due January 2035
Debt
Debt instrument, principal amount			$ 750.0
Stated interest rate (as a percent)			5.00%		5.00%	5.00%
Debt maturity date			Jan. 15, 2035
Debt instrument, face amount, net of discount (as a percent)			99.502%
5.000% Senior Notes due January 2035 \| Prior To March 5 2027
Debt
Redemption price as a percentage of principal amount			100.00%
5.000% Senior Notes due January 2035 \| Prior To October 15 2034
Debt
Redemption price as a percentage of principal amount			100.00%
5.375% Senior Notes due November 2054
Debt
Debt instrument, principal amount			$ 500.0
Stated interest rate (as a percent)			5.375%		5.375%	5.375%
Debt maturity date			Nov. 15, 2054
Debt instrument, face amount, net of discount (as a percent)			98.429%
5.375% Senior Notes due November 2054 \| Prior to May 15, 2054
Debt
Redemption price as a percentage of principal amount			100.00%
Additional 5.050% Senior Notes due April 2027
Debt
Debt instrument, principal amount			$ 250.0
Stated interest rate (as a percent)			5.05%
Debt maturity date			Apr. 05, 2027
Debt instrument, face amount, net of premium (as a percent)			101.107%