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Financial Instruments - Schedule of Long-term Debt (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024 | Nov. 08, 2022
Debt Instrument [Line Items] |  |  |  |  |  |
Debt, principal amount | $ 6,650 |  | $ 6,650 |  | $ 6,650 |
Unamortized debt discount / debt issuance costs | (51) |  | (51) |  | (54) |
Current portion of long-term debt | 1,350 |  | 1,350 |  | 1,350 |
Cumulative fair value adjustment for interest rate swap contracts | (18) |  | (18) |  | (26) |
Long-term debt, net of discount and issuance costs | 5,231 |  | 5,231 |  | 5,220 |
Capitalized interest | $ 11 | $ 9 | $ 22 | $ 17 |  |
Senior Notes | Senior Notes Due 2023 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Interest rate percentage | 3.25% |  | 3.25% |  |  |
Senior Notes | 4.500% 2015 senior notes due 2025 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Interest rate percentage | 4.50% |  | 4.50% |  |  |
Debt, principal amount | $ 750 |  | $ 750 |  | 750 |
Senior Notes | 5.400% 2022 senior notes due 2025 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Interest rate percentage |  |  |  |  |  | 5.40%
Debt, principal amount | $ 600 |  | $ 600 |  | 600 |
Senior Notes | 3.000% 2017 senior notes due 2027 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Interest rate percentage | 3.00% |  | 3.00% |  |  |
Debt, principal amount | $ 750 |  | $ 750 |  | 750 |
Senior Notes | 3.900% 2018 senior notes due 2028 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Interest rate percentage | 3.90% |  | 3.90% |  |  |
Debt, principal amount | $ 500 |  | $ 500 |  | 500 |
Senior Notes | 2.000% 2020 senior notes due 2030 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Interest rate percentage | 2.00% |  | 2.00% |  |  |
Debt, principal amount | $ 750 |  | $ 750 |  | 750 |
Senior Notes | 5.600% 2022 senior notes due 2032 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Interest rate percentage |  |  |  |  |  | 5.60%
Debt, principal amount | $ 750 |  | $ 750 |  | 750 |
Senior Notes | 4.700% 2013 senior notes due 2043 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Interest rate percentage | 4.70% |  | 4.70% |  |  |
Debt, principal amount | $ 1,150 |  | $ 1,150 |  | 1,150 |
Senior Notes | 3.950% 2017 senior notes due 2047 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Interest rate percentage | 3.95% |  | 3.95% |  |  |
Debt, principal amount | $ 500 |  | $ 500 |  | 500 |
Senior Notes | 4.450% 2018 senior notes due 2048 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Interest rate percentage | 4.45% |  | 4.45% |  |  |
Debt, principal amount | $ 400 |  | $ 400 |  | 400 |
Senior Notes | 3.000% 2020 senior notes due 2050 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Interest rate percentage | 3.00% |  | 3.00% |  |  |
Debt, principal amount | $ 500 |  | $ 500 |  | $ 500 |

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