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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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