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Long-Term Debt and Short-Term Borrowings - Narrative (Details) |  | 1 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
May 31, 2023 USD ($) | May 31, 2023 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2021 EUR (€) | Dec. 31, 2004 USD ($) | Sep. 30, 2023 USD ($) | Jul. 31, 2023 USD ($) | Mar. 31, 2023 USD ($) | Dec. 31, 2022 EUR (€)
Debt instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Floating rate note payments due in next twelve months |  |  | $ 53,000,000 |  |  |  |  |  |  |  |
Interest rate contracts |  |  |  |  |  |  |  |  |  |  |
Debt instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  |  | $ 800,000,000 |  |  |  |  |  |
Stand alone letters of credit and bank guarantees |  |  |  |  |  |  |  |  |  |  |
Debt instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amount of stand alone letters of credit and bank guarantees outstanding utilized in connection with normal business activities |  |  | 355,000,000 |  |  |  |  |  |  |  |
Floating rate registered note due 2049 |  |  |  |  |  |  |  |  |  |  |
Debt instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  | 500,000,000 |  |  |  |  |  |
Floating rate registered note due 2050 | L I B O R |  |  |  |  |  |  |  |  |  |  |
Debt instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  | 300,000,000 |  |  |  |  |  |
Fixed rate registered note due 2049 |  |  |  |  |  |  |  |  |  |  |
Debt instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  | 500,000,000 |  | 1,000,000,000 |  |  |  |  |  |
Fixed rate registered note due 2050 |  |  |  |  |  |  |  |  |  |  |
Debt instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  | 350,000,000 |  | 650,000,000 |  |  |  |  |  |
Fixed rate medium term note |  |  |  |  |  |  |  |  |  |  |
Debt instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  | 500,000,000 |  |  |  |  |  |  | $ 650,000,000 | € 500,000,000
Repayment of principal amount |  |  | $ 600,000,000 | $ 600,000,000 |  |  |  |  |  |  |
Fixed rate Eurobond due 2021 |  |  |  |  |  |  |  |  |  |  |
Debt instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt redeemed | € |  |  |  |  |  | € 600,000,000 |  |  |  |  |
Fixed rate medium term note due 2022 |  |  |  |  |  |  |  |  |  |  |
Debt instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt redeemed |  |  |  |  | $ 450,000,000 |  |  |  |  |  |
Coupon rate |  |  |  |  | 2.75% |  |  |  |  |  |
Floating rate notes due 2027 and 2040 and 2041 |  |  |  |  |  |  |  |  |  |  |
Debt instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
After date of issuance that put options commence (in years) |  |  |  |  |  |  | 10 years |  |  |  |
Floating rate notes due 2027 and 2040 and 2041 | Minimum |  |  |  |  |  |  |  |  |  |  |
Debt instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Repurchase price of floating rate notes (as a percent) |  |  | 99.00% |  |  |  | 99.00% |  |  |  |
Floating rate notes due 2027 and 2040 and 2041 | Maximum |  |  |  |  |  |  |  |  |  |  |
Debt instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Repurchase price of floating rate notes (as a percent) |  |  | 100.00% |  |  |  | 100.00% |  |  |  |
Floating rate note due 2044 |  |  |  |  |  |  |  |  |  |  |
Debt instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Term of debt instrument (in years) |  |  |  |  |  |  | 40 years |  |  |  |
Principal amount |  |  | $ 53,000,000 |  |  |  | $ 60,000,000 |  |  |  |
Repurchase price of floating rate notes (as a percent) |  |  |  |  |  |  | 100.00% |  |  |  |
Revolving credit facility | Five year line of credit |  |  |  |  |  |  |  |  |  |  |
Debt instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity including portion subject to lender approval | $ 4,250,000,000 | $ 4,250,000,000 |  |  |  |  |  | $ 5,250,000,000 | $ 5,250,000,000 |  |
Term of debt instrument (in years) |  | 5 years |  |  |  |  |  |  |  |  |
Line of credit facility increase |  |  |  |  |  |  |  | $ 1,000,000,000 | $ 1,000,000,000 |  |
Debt instrument, covenant interest ratio | 3.0 | 3.0 |  |  |  |  |  |  |  |  |
Debt instrument, covenant |  |  | 15 |  |  |  |  |  |  |  |
Revolving credit facility | Five year line of credit expired in november 2024 |  |  |  |  |  |  |  |  |  |  |
Debt instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity including portion subject to lender approval | $ 3,000,000,000 | $ 3,000,000,000 |  |  |  |  |  |  |  |  |
Term of debt instrument (in years) | 5 years |  |  |  |  |  |  |  |  |  |
Revolving credit facility | 364-day credit facility |  |  |  |  |  |  |  |  |  |  |
Debt instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity including portion subject to lender approval | $ 1,250,000,000 | $ 1,250,000,000 |  |  |  |  |  |  |  |  |
Term of debt instrument (in years) | 364 days |  |  |  |  |  |  |  |  |  |

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