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Borrowings - Unsecured Debt (Details) - USD ($)	6 Months Ended
Borrowings - Unsecured Debt (Details) - USD ($)	Jun. 30, 2025	Mar. 04, 2025	Dec. 31, 2024	Dec. 16, 2024	Oct. 15, 2024	May 20, 2024	Sep. 30, 2021	Jul. 23, 2021	Apr. 27, 2021	Mar. 16, 2021	Dec. 01, 2020	Oct. 23, 2020
Debt Instrument [Line Items]
Aggregate principal amount	$ 9,907,500,000		$ 9,307,500,000
Unsecured debt
Debt Instrument [Line Items]
Redemption percentage	100.00%
Unsecured debt \| 3.625% Notes Due 2026
Debt Instrument [Line Items]
Aggregate principal amount	$ 800,000,000		800,000,000								$ 300,000,000.0	$ 500,000,000.0
Interest rate											3.625%	3.625%
Unsecured debt \| 2.750% Notes Due 2026
Debt Instrument [Line Items]
Aggregate principal amount	700,000,000		700,000,000						$ 300,000,000.0	$ 400,000,000.0
Interest rate									2.75%	2.75%
Unsecured debt \| 2.125% Senior Notes Due 2027
Debt Instrument [Line Items]
Aggregate principal amount	650,000,000		650,000,000					$ 650,000,000.0
Interest rate								2.125%
Unsecured debt \| 2.850% Notes Due 2028
Debt Instrument [Line Items]
Aggregate principal amount	650,000,000		650,000,000				$ 650,000,000.0
Interest rate							2.85%
Unsecured debt \| 5.875% Notes Due 2027
Debt Instrument [Line Items]
Aggregate principal amount	400,000,000		400,000,000			$ 400,000,000.0
Interest rate						5.875%
Unsecured debt \| 5.350% Notes Due 2028
Debt Instrument [Line Items]
Aggregate principal amount	700,000,000		$ 700,000,000	$ 300,000,000.0	$ 400,000,000.0
Interest rate					5.35%
Unsecured debt \| 5.300% notes due 2030
Debt Instrument [Line Items]
Aggregate principal amount	$ 500,000,000	$ 500,000,000.0
Interest rate		5.30%