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Financial Instruments - Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | --- | --- | ---
Assets |  |  |  |
Commercial paper | $ 145 | $ 536 |  |
Publicly traded equity securities | 1,546 | 920 |  |
Other Assets | 18,333 | 16,044 |  |
Fair value of derivative, asset | 316 | 729 |  |
Liabilities |  |  |  |
Contingent consideration | 0 | 193 | $ 208 | $ 354
Fair value of derivative, liability | 492 | 345 |  |
Commercial paper |  |  |  |
Assets |  |  |  |
Commercial paper | 45 | 348 |  |
Foreign government bonds |  |  |  |
Assets |  |  |  |
Commercial paper | 1 | 0 |  |
U.S. government and agency securities |  |  |  |
Assets |  |  |  |
Commercial paper | 99 | 188 |  |
Fair Value, Measurements, Recurring |  |  |  |
Assets |  |  |  |
Investments | 1,162 | 910 |  |
Other Assets | 529 | 546 |  |
Fair value of derivative, asset | 316 | 729 |  |
Total assets | 2,007 | 2,185 |  |
Liabilities |  |  |  |
Contingent consideration | 0 | 193 |  |
Fair value of derivative, liability | 492 | 345 |  |
Total liabilities | 492 | 538 |  |
Fair Value, Measurements, Recurring | Foreign exchange contracts |  |  |  |
Assets |  |  |  |
Fair value of derivative, asset | 169 | 499 |  |
Liabilities |  |  |  |
Fair value of derivative, liability | 461 | 338 |  |
Fair Value, Measurements, Recurring | Interest rate swap contracts |  |  |  |
Assets |  |  |  |
Fair value of derivative, asset | 80 | 17 |  |
Fair Value, Measurements, Recurring | Currency options |  |  |  |
Assets |  |  |  |
Fair value of derivative, asset | 67 | 213 |  |
Liabilities |  |  |  |
Fair value of derivative, liability | 31 | 7 |  |
Fair Value, Measurements, Recurring | Level 1 |  |  |  |
Assets |  |  |  |
Investments | 1,116 | 463 |  |
Other Assets | 529 | 546 |  |
Fair value of derivative, asset | 0 | 0 |  |
Total assets | 1,645 | 1,009 |  |
Liabilities |  |  |  |
Contingent consideration | 0 | 0 |  |
Fair value of derivative, liability | 0 | 0 |  |
Total liabilities | 0 | 0 |  |
Fair Value, Measurements, Recurring | Level 1 | Foreign exchange contracts |  |  |  |
Assets |  |  |  |
Fair value of derivative, asset | 0 | 0 |  |
Liabilities |  |  |  |
Fair value of derivative, liability | 0 | 0 |  |
Fair Value, Measurements, Recurring | Level 1 | Interest rate swap contracts |  |  |  |
Assets |  |  |  |
Fair value of derivative, asset | 0 | 0 |  |
Fair Value, Measurements, Recurring | Level 1 | Currency options |  |  |  |
Assets |  |  |  |
Fair value of derivative, asset | 0 | 0 |  |
Liabilities |  |  |  |
Fair value of derivative, liability | 0 | 0 |  |
Fair Value, Measurements, Recurring | Level 2 |  |  |  |
Assets |  |  |  |
Investments | 46 | 447 |  |
Other Assets | 0 | 0 |  |
Fair value of derivative, asset | 316 | 729 |  |
Total assets | 362 | 1,176 |  |
Liabilities |  |  |  |
Contingent consideration | 0 | 0 |  |
Fair value of derivative, liability | 492 | 345 |  |
Total liabilities | 492 | 345 |  |
Fair Value, Measurements, Recurring | Level 2 | Foreign exchange contracts |  |  |  |
Assets |  |  |  |
Fair value of derivative, asset | 169 | 499 |  |
Liabilities |  |  |  |
Fair value of derivative, liability | 461 | 338 |  |
Fair Value, Measurements, Recurring | Level 2 | Interest rate swap contracts |  |  |  |
Assets |  |  |  |
Fair value of derivative, asset | 80 | 17 |  |
Fair Value, Measurements, Recurring | Level 2 | Currency options |  |  |  |
Assets |  |  |  |
Fair value of derivative, asset | 67 | 213 |  |
Liabilities |  |  |  |
Fair value of derivative, liability | 31 | 7 |  |
Fair Value, Measurements, Recurring | Level 3 |  |  |  |
Assets |  |  |  |
Investments | 0 | 0 |  |
Other Assets | 0 | 0 |  |
Fair value of derivative, asset | 0 | 0 |  |
Total assets | 0 | 0 |  |
Liabilities |  |  |  |
Contingent consideration | 0 | 193 |  |
Fair value of derivative, liability | 0 | 0 |  |
Total liabilities | 0 | 193 |  |
Fair Value, Measurements, Recurring | Level 3 | Foreign exchange contracts |  |  |  |
Assets |  |  |  |
Fair value of derivative, asset | 0 | 0 |  |
Liabilities |  |  |  |
Fair value of derivative, liability | 0 | 0 |  |
Fair Value, Measurements, Recurring | Level 3 | Interest rate swap contracts |  |  |  |
Assets |  |  |  |
Fair value of derivative, asset | 0 | 0 |  |
Fair Value, Measurements, Recurring | Level 3 | Currency options |  |  |  |
Assets |  |  |  |
Fair value of derivative, asset | 0 | 0 |  |
Liabilities |  |  |  |
Fair value of derivative, liability | 0 | 0 |  |
Fair Value, Measurements, Recurring | Commercial paper |  |  |  |
Assets |  |  |  |
Commercial paper | 45 | 348 |  |
Fair Value, Measurements, Recurring | Commercial paper | Level 1 |  |  |  |
Assets |  |  |  |
Commercial paper | 0 | 0 |  |
Fair Value, Measurements, Recurring | Commercial paper | Level 2 |  |  |  |
Assets |  |  |  |
Commercial paper | 45 | 348 |  |
Fair Value, Measurements, Recurring | Commercial paper | Level 3 |  |  |  |
Assets |  |  |  |
Commercial paper | 0 | 0 |  |
Fair Value, Measurements, Recurring | Foreign government bonds |  |  |  |
Assets |  |  |  |
U.S. government and agency securities | 1 | 0 |  |
Fair Value, Measurements, Recurring | Foreign government bonds | Level 1 |  |  |  |
Assets |  |  |  |
U.S. government and agency securities | 0 | 0 |  |
Fair Value, Measurements, Recurring | Foreign government bonds | Level 2 |  |  |  |
Assets |  |  |  |
U.S. government and agency securities | 1 | 0 |  |
Fair Value, Measurements, Recurring | Foreign government bonds | Level 3 |  |  |  |
Assets |  |  |  |
U.S. government and agency securities | 0 | 0 |  |
Fair Value, Measurements, Recurring | U.S. government and agency securities |  |  |  |
Assets |  |  |  |
U.S. government and agency securities | 0 | 99 |  |
U.S. government and agency securities | 99 | 89 |  |
Fair Value, Measurements, Recurring | U.S. government and agency securities | Level 1 |  |  |  |
Assets |  |  |  |
U.S. government and agency securities | 0 | 0 |  |
U.S. government and agency securities | 99 | 89 |  |
Fair Value, Measurements, Recurring | U.S. government and agency securities | Level 2 |  |  |  |
Assets |  |  |  |
U.S. government and agency securities | 0 | 99 |  |
U.S. government and agency securities | 0 | 0 |  |
Fair Value, Measurements, Recurring | U.S. government and agency securities | Level 3 |  |  |  |
Assets |  |  |  |
U.S. government and agency securities | 0 | 0 |  |
U.S. government and agency securities | 0 | 0 |  |
Fair Value, Measurements, Recurring | Publicly traded equity securities |  |  |  |
Assets |  |  |  |
Publicly traded equity securities | 1,116 | 463 |  |
Publicly traded equity securities | 430 | 457 |  |
Fair Value, Measurements, Recurring | Publicly traded equity securities | Level 1 |  |  |  |
Assets |  |  |  |
Publicly traded equity securities | 1,116 | 463 |  |
Publicly traded equity securities | 430 | 457 |  |
Liabilities |  |  |  |
Securities subject to contractual sale restrictions |  | 81 |  |
Fair Value, Measurements, Recurring | Publicly traded equity securities | Level 2 |  |  |  |
Assets |  |  |  |
Publicly traded equity securities | 0 | 0 |  |
Publicly traded equity securities | 0 | 0 |  |
Fair Value, Measurements, Recurring | Publicly traded equity securities | Level 3 |  |  |  |
Assets |  |  |  |
Publicly traded equity securities | 0 | 0 |  |
Publicly traded equity securities | $ 0 | $ 0 |  |

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