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Debt - Narrative (Details) € in Millions, $ in Millions |  |  | 6 Months Ended
--- | --- | --- | ---
Mar. 14, 2024 EUR (€) | Feb. 01, 2024 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($)
Debt Instrument [Line Items] |  |  |  |
Proceeds from issuance of commercial paper (maturities after three months) |  |  | $ 3,298 | $ 3,535
Repayments of commercial paper |  |  | 3,109 | 3,563
Revolving Credit Facility | Citibank, N.A. |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Proceeds from lines of credit |  |  | 250 | 800
Repayments of lines of credit |  |  | 250 | 900
Revolving Credit Facility | Loans payable |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Proceeds from lines of credit |  |  |  | 400
2023 Notes | Loans payable |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Repayments of debt |  |  |  | $ 300
2024 Term Loan Facility | Loans payable |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Repayments of debt |  | $ 270 |  |
2024 Euro Notes | Loans payable |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Repayments of debt | € | € 500 |  |  |
2026 Term Loan Facility | Loans payable |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Repayments of debt |  |  | $ 31 |

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