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Borrowings - Unsecured Debt (Details) - USD ($) | 3 Months Ended |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022 | Sep. 30, 2021 | Jul. 23, 2021 | Apr. 27, 2021 | Mar. 16, 2021 | Dec. 01, 2020 | Oct. 23, 2020 | Jul. 15, 2020
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Aggregate principal amount | $ 6,550,000,000 | $ 6,550,000,000 |  |  |  |  |  |  |
Unsecured Debt |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Redemption percentage | 100.00% |  |  |  |  |  |  |  |
Unsecured Debt | 3.650% Notes Due 2023 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Aggregate principal amount | $ 400,000,000 | 400,000,000 |  |  |  |  |  |  | $ 400,000,000
Interest rate |  |  |  |  |  |  |  |  | 3.65%
Unsecured Debt | 3.625% Notes Due 2026 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Aggregate principal amount | 800,000,000 | 800,000,000 |  |  |  |  | $ 300,000,000 | $ 500,000,000 |
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 | $ 400,000,000 |  |  |
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 |  |  |  |  |
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 |  |  |  |  |  |
Interest rate |  |  | 2.85% |  |  |  |  |  |

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