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Borrowings - Schedule of Outstanding Borrowings (Parenthetical) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Mar. 09, 2021	Nov. 25, 2019	Jun. 21, 2010	Nov. 17, 2006
Outstanding Borrowings
Weighted-average effective interest rate (as a percent)	4.00%
4.250% Notes Due 2023
Outstanding Borrowings
Stated interest rate (as a percent)	4.25%	4.25%
Repayment of unsecured notes	$ 300.0
Debt Instrument, Interest Rate, Stated Percentage	4.25%	4.25%
2.850% Notes Due 2025
Outstanding Borrowings
Stated interest rate (as a percent)	2.85%	2.85%		2.85%
Debt Instrument, Interest Rate, Stated Percentage	2.85%	2.85%		2.85%
1.350% Notes Due 2026
Outstanding Borrowings
Stated interest rate (as a percent)	1.35%	1.35%	1.35%
Debt Instrument, Interest Rate, Stated Percentage	1.35%	1.35%	1.35%
2.750% Notes Due 2031
Outstanding Borrowings
Stated interest rate (as a percent)	2.75%	2.75%	2.75%
Debt Instrument, Interest Rate, Stated Percentage	2.75%	2.75%	2.75%
6.200% Notes Due 2036
Outstanding Borrowings
Stated interest rate (as a percent)	6.20%	6.20%				6.20%
Debt Instrument, Interest Rate, Stated Percentage	6.20%	6.20%				6.20%
6.200% Notes Due 2040
Outstanding Borrowings
Stated interest rate (as a percent)	6.20%	6.20%			6.20%
Debt Instrument, Interest Rate, Stated Percentage	6.20%	6.20%			6.20%

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