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Fair Value Measurements - Financial Liabilities not Measured at Fair Value (Details) | Mar. 31, 2024 USD ($) | Mar. 31, 2024 EUR (€) | Dec. 31, 2023 USD ($)
--- | --- | --- | ---
Financial Liabilities |  |  |
Current Debt | $ 8,550,000,000 |  | $ 3,451,000,000
Non-Current Debt |  |  |
Non-Current Debt | 25,082,000,000 |  | $ 25,881,000,000
Carrying Amount |  |  |
Financial Liabilities |  |  |
Current Debt | 8,550,000,000 |  |
Non-Current Debt |  |  |
Non-Current Debt | 25,082,000,000 |  |
Estimated Fair Value |  |  |
Financial Liabilities |  |  |
Current Debt | 8,533,000,000 |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 23,438,000,000 |  |
0.55% Notes due 2025 |  |  |
Non-Current Debt |  |  |
Stated interest rate (as a percent) | 0.55% | 0.55% |
0.55% Notes due 2025 | Carrying Amount |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 974,000,000 |  |
0.55% Notes due 2025 | Estimated Fair Value |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 940,000,000 |  |
2.46% Notes due 2026 |  |  |
Non-Current Debt |  |  |
Stated interest rate (as a percent) | 2.46% | 2.46% |
2.46% Notes due 2026 | Carrying Amount |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 1,998,000,000 |  |
2.46% Notes due 2026 | Estimated Fair Value |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 1,917,000,000 |  |
2.95% Notes due 2027 |  |  |
Non-Current Debt |  |  |
Stated interest rate (as a percent) | 2.95% | 2.95% |
2.95% Notes due 2027 | Carrying Amount |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 907,000,000 |  |
2.95% Notes due 2027 | Estimated Fair Value |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 958,000,000 |  |
0.95% Notes due 2027 |  |  |
Non-Current Debt |  |  |
Stated interest rate (as a percent) | 0.95% | 0.95% |
0.95% Notes due 2027 | Carrying Amount |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 1,434,000,000 |  |
0.95% Notes due 2027 | Estimated Fair Value |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 1,337,000,000 |  |
2.90% Notes due 2028 |  |  |
Non-Current Debt |  |  |
Stated interest rate (as a percent) | 2.90% | 2.90% |
2.90% Notes due 2028 | Carrying Amount |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 1,497,000,000 |  |
2.90% Notes due 2028 | Estimated Fair Value |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 1,422,000,000 |  |
1.150% Notes due 2028 (750MM Euro 1.0809) |  |  |
Non-Current Debt |  |  |
Stated interest rate (as a percent) | 1.15% | 1.15% |
Debt instrument, face amount | € |  | € 750,000,000 |
Foreign exchange rate | 1.0809 | 1.0809 |
1.150% Notes due 2028 (750MM Euro 1.0809) | Carrying Amount |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 807,000,000 |  |
1.150% Notes due 2028 (750MM Euro 1.0809) | Estimated Fair Value |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 751,000,000 |  |
6.95% Notes due 2029 |  |  |
Non-Current Debt |  |  |
Stated interest rate (as a percent) | 6.95% | 6.95% |
6.95% Notes due 2029 | Carrying Amount |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 298,000,000 |  |
6.95% Notes due 2029 | Estimated Fair Value |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 339,000,000 |  |
1.30% Notes due 2030 |  |  |
Non-Current Debt |  |  |
Stated interest rate (as a percent) | 1.30% | 1.30% |
1.30% Notes due 2030 | Carrying Amount |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 1,633,000,000 |  |
1.30% Notes due 2030 | Estimated Fair Value |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 1,466,000,000 |  |
4.95% Debentures due 2033 |  |  |
Non-Current Debt |  |  |
Stated interest rate (as a percent) | 4.95% | 4.95% |
4.95% Debentures due 2033 | Carrying Amount |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 499,000,000 |  |
4.95% Debentures due 2033 | Estimated Fair Value |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 523,000,000 |  |
4.375% Notes due 2033 |  |  |
Non-Current Debt |  |  |
Stated interest rate (as a percent) | 4.375% | 4.375% |
4.375% Notes due 2033 | Carrying Amount |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 854,000,000 |  |
4.375% Notes due 2033 | Estimated Fair Value |  |  |
Non-Current Debt |  |  |
Non-Current Debt | 848,000,000 |  |
1.650% Notes due 2035 (1.5B Euro 1.0809) | Carrying Amount |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 1,610,000,000 |  |
Stated interest rate (as a percent) | 1.65% | 1.65% |
Debt instrument, face amount | $ 1,500,000,000 |  |
Foreign exchange rate | 1.0809 | 1.0809 |
1.650% Notes due 2035 (1.5B Euro 1.0809) | Estimated Fair Value |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 1,430,000,000 |  |
3.587% Notes due 2036 |  |  |
Non-Current Debt |  |  |
Stated interest rate (as a percent) | 3.587% | 3.587% |
3.587% Notes due 2036 | Carrying Amount |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 862,000,000 |  |
3.587% Notes due 2036 | Estimated Fair Value |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 893,000,000 |  |
5.95% Notes due 2037 |  |  |
Non-Current Debt |  |  |
Stated interest rate (as a percent) | 5.95% | 5.95% |
5.95% Notes due 2037 | Carrying Amount |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 994,000,000 |  |
5.95% Notes due 2037 | Estimated Fair Value |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 1,110,000,000 |  |
3.625% Notes due 2037 |  |  |
Non-Current Debt |  |  |
Stated interest rate (as a percent) | 3.625% | 3.625% |
3.625% Notes due 2037 | Carrying Amount |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 1,354,000,000 |  |
3.625% Notes due 2037 | Estimated Fair Value |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 1,333,000,000 |  |
3.40% Notes due 2038 |  |  |
Non-Current Debt |  |  |
Stated interest rate (as a percent) | 3.40% | 3.40% |
3.40% Notes due 2038 | Carrying Amount |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 993,000,000 |  |
3.40% Notes due 2038 | Estimated Fair Value |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 858,000,000 |  |
5.85% Debentures due 2038 |  |  |
Non-Current Debt |  |  |
Stated interest rate (as a percent) | 5.85% | 5.85% |
5.85% Debentures due 2038 | Carrying Amount |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 697,000,000 |  |
5.85% Debentures due 2038 | Estimated Fair Value |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 772,000,000 |  |
4.50% Debentures due 2040 |  |  |
Non-Current Debt |  |  |
Stated interest rate (as a percent) | 4.50% | 4.50% |
4.50% Debentures due 2040 | Carrying Amount |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 541,000,000 |  |
4.50% Debentures due 2040 | Estimated Fair Value |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 530,000,000 |  |
2.10% Notes due 2040 |  |  |
Non-Current Debt |  |  |
Stated interest rate (as a percent) | 2.10% | 2.10% |
2.10% Notes due 2040 | Carrying Amount |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 844,000,000 |  |
2.10% Notes due 2040 | Estimated Fair Value |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 688,000,000 |  |
4.85% Notes due 2041 |  |  |
Non-Current Debt |  |  |
Stated interest rate (as a percent) | 4.85% | 4.85% |
4.85% Notes due 2041 | Carrying Amount |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 297,000,000 |  |
4.85% Notes due 2041 | Estimated Fair Value |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 301,000,000 |  |
4.50% Notes due 2043 |  |  |
Non-Current Debt |  |  |
Stated interest rate (as a percent) | 4.50% | 4.50% |
4.50% Notes due 2043 | Carrying Amount |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 496,000,000 |  |
4.50% Notes due 2043 | Estimated Fair Value |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 481,000,000 |  |
3.73% Notes due 2046 |  |  |
Non-Current Debt |  |  |
Stated interest rate (as a percent) | 3.73% | 3.73% |
3.73% Notes due 2046 | Carrying Amount |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 1,978,000,000 |  |
3.73% Notes due 2046 | Estimated Fair Value |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 1,675,000,000 |  |
3.75% Notes due 2047 |  |  |
Non-Current Debt |  |  |
Stated interest rate (as a percent) | 3.75% | 3.75% |
3.75% Notes due 2047 | Carrying Amount |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 825,000,000 |  |
3.75% Notes due 2047 | Estimated Fair Value |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 829,000,000 |  |
3.50% Notes due 2048 |  |  |
Non-Current Debt |  |  |
Stated interest rate (as a percent) | 3.50% | 3.50% |
3.50% Notes due 2048 | Carrying Amount |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 743,000,000 |  |
3.50% Notes due 2048 | Estimated Fair Value |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 598,000,000 |  |
2.25% Notes due 2050 |  |  |
Non-Current Debt |  |  |
Stated interest rate (as a percent) | 2.25% | 2.25% |
2.25% Notes due 2050 | Carrying Amount |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 816,000,000 |  |
2.25% Notes due 2050 | Estimated Fair Value |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 629,000,000 |  |
2.45% Notes due 2060 |  |  |
Non-Current Debt |  |  |
Stated interest rate (as a percent) | 2.45% | 2.45% |
2.45% Notes due 2060 | Carrying Amount |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 1,064,000,000 |  |
2.45% Notes due 2060 | Estimated Fair Value |  |  |
Non-Current Debt |  |  |
Non-Current Debt | 743,000,000 |  |
Other | Carrying Amount |  |  |
Non-Current Debt |  |  |
Non-Current Debt | 67,000,000 |  |
Other | Estimated Fair Value |  |  |
Non-Current Debt |  |  |
Non-Current Debt | $ 67,000,000 |  |

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