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Provisions and other non-current liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Disclosure of other provisions [line items] |  |  |
Defined benefit pension plans | $ 1,723 | $ 2,640 |
Other long-term employee benefits and deferred compensation | 554 | 662 |
Other post-employment benefits | 362 | 487 |
Environmental remediation provisions | 535 | 567 | $ 642
Product liability, government investigations, other legal matters provisions | 154 | 341 | $ 181
Contingent consideration | 704 | 956 |
Other non-current liabilities | 874 | 519 |
Total provisions and other non-current liabilities | $ 4,906 | $ 6,172 |

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