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Debt - Narrative (Details) ₱ in Millions, € in Millions, $ in Millions |  | 1 Months Ended | 3 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Jan. 09, 2024 EUR (€) | Apr. 30, 2024 USD ($) | Mar. 31, 2017 PHP (₱) | Mar. 31, 2024 USD ($) basis_point | Mar. 31, 2023 USD ($) | Mar. 31, 2024 EUR (€) | Mar. 31, 2024 PHP (₱) | Dec. 31, 2023 USD ($) | Dec. 31, 2023 EUR (€) | Mar. 31, 2023 EUR (€)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Repayments of Debt | $ |  |  |  | $ 651 | $ 0 |  |  |  |  |
Long-term debt | $ |  |  |  | $ 12,554 | $ 9,678 |  |  | $ 11,535 |  |
Affiliated entity |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity | ₱ |  |  | ₱ 12.5 |  |  |  | ₱ 22.5 |  |  |
Expiration period |  |  | 10 years |  |  |  |  |  |  |
Senior notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt instrument, redemption price, percentage |  |  |  | 100.00% |  |  |  |  |  |
Debt instrument, cash repurchase, percentage of principal amount |  |  |  | 101.00% |  |  |  |  |  |
Debt instrument, step up payment on notes, basis points increase increments | basis_point |  |  |  | 25 |  |  |  |  |  |
Debt instrument, step up payment on notes, basis points capped | basis_point |  |  |  | 100 |  |  |  |  |  |
Six Point Four Percent Notes Due 2033 | Senior notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt instrument, stated percentage |  |  |  | 6.40% |  | 6.40% | 6.40% |  |  |
3.875% U.S. Dollar notes due 2025 | Senior notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt instrument, stated percentage |  |  |  | 3.875% |  | 3.875% | 3.875% |  |  |
3.400% U.S. Dollar notes due 2027 | Senior notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt instrument, stated percentage |  |  |  | 3.40% |  | 3.40% | 3.40% |  |  |
3.950% U.S. Dollar notes due 2028 | Senior notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt instrument, stated percentage |  |  |  | 3.95% |  | 3.95% | 3.95% |  |  |
5.125% U.S. Dollar notes due 2045 | Senior notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt instrument, stated percentage |  |  |  | 5.125% |  | 5.125% | 5.125% |  |  |
4.400% U.S. Dollar notes due 2047 | Senior notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt instrument, stated percentage |  |  |  | 4.40% |  | 4.40% | 4.40% |  |  |
4.500% U.S. Dollar notes due 2048 | Senior notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt instrument, stated percentage |  |  |  | 4.50% |  | 4.50% | 4.50% |  |  |
National Westminster bank facility | Line of credit | Revolving credit facility |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  | € 3,500 |  |  |  |
Expiration period |  |  |  | 5 years |  |  |  |  |  |
Debt issuance costs, net | $ |  |  |  | $ 7 |  |  |  |  |  |
Current borrowing capacity |  |  |  |  |  | 3,500 |  |  |  |
Long-term debt |  |  |  |  |  | 0 |  |  | € 0 | € 0
Remaining borrowing capacity |  |  |  | 3,781 |  | 3,500 |  |  |  |
National Westminster bank facility | Line of credit | Revolving credit facility | Subsequent Event |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Extension period |  | 1 year |  |  |  |  |  |  |  |
Commercial paper programs | Line of credit | U.S. Dollar Commercial Paper |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity | $ |  |  |  | $ 2,000 |  |  |  |  |  |
Commercial paper programs | Line of credit | U.S. Dollar Commercial Paper | Subsequent Event |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity | $ |  | $ 4,000 |  |  |  |  |  |  |  |
Commercial paper programs | Line of credit | Euro Commercial Paper |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  | 1,500 |  |  |  |
Commercial paper programs | Line of credit | Bridge loan |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  | € 750 |  |  |  |
1.875% € notes due 2024 | Senior notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt instrument, stated percentage | 1.875% |  |  | 1.875% |  | 1.875% | 1.875% |  |  |
Repayments of Debt | € 600 |  |  |  |  |  |  |  |  |

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