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Debt and Credit Agreements - Schedule of Activity Related to Long-Term Debt (Details) - USD ($) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2024 | Jun. 30, 2023
Movement, Debt Instruments [Roll Forward] |  |  |
Long-term Debt as of December 31, 2023, Current Portion | [1] | $ 558 |
Long-term Debt as of December 31, 2023, Long-term Portion | [1] | 17,975 |
Long-term Debt as of December 31, 2023, Total |  | 18,533 |
Long-term Debt Repaid | [2] | (4) | $ (146)
Reclassifications |  | 0 |
Hedging, Discount, Premium and Other Activity |  | (21) |
Long-term Debt as of June 30, 2024, Current Portion |  | 557 |
Long-term Debt as of June 30, 2024, Long-term Portion |  | 17,951 |
Long-term Debt as of June 30, 2024, Total |  | 18,508 |
Current Portion |  |  |
Movement, Debt Instruments [Roll Forward] |  |  |
Long-term Debt as of December 31, 2023, Current Portion |  | 558 |
Long-term Debt Repaid |  | (4) |
Reclassifications |  | 3 |
Hedging, Discount, Premium and Other Activity |  | 0 |
Long-term Debt as of June 30, 2024, Current Portion |  | 557 |
Long-term Portion |  |  |
Movement, Debt Instruments [Roll Forward] |  |  |
Long-term Debt as of December 31, 2023, Long-term Portion |  | 17,975 |
Long-term Debt Repaid |  | 0 |
Reclassifications |  | (3) |
Hedging, Discount, Premium and Other Activity |  | (21) |
Long-term Debt as of June 30, 2024, Long-term Portion |  | $ 17,951 |
[1] | See Note 11, Revision of Prior Period Financial Statements.
[2] | See Note 11, Revision of Prior Period Financial Statements.

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