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Legal proceedings - Narrative (Details) $ in Millions |  | 1 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Apr. 24, 2023 USD ($) | Oct. 31, 2021 USD ($) entity | Sep. 30, 2021 claimant cases | Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Jan. 31, 2020 USD ($) | Oct. 31, 2019 USD ($) | Jul. 31, 2018 USD ($) | Dec. 31, 2023 USD ($) claimant claim | Sep. 30, 2023 cases | May 31, 2023 cases | Jul. 04, 2021 USD ($) | May 31, 2021 cases claimant
Legal Proceeding (Textuals) |  |  |  |  |  |  |  |  |  |  |  |  |
Number of new entities created | entity |  | 3 |  |  |  |  |  |  |  |  |  |  |
Loss contingency, payment period | 25 years |  |  |  |  |  |  |  |  |  |  |  |
Bankruptcy loss contingency, discount rate | 4.41% |  |  |  |  |  |  |  |  |  |  |  |
Talc |  |  |  |  |  |  |  |  |  |  |  |  |
Legal Proceeding (Textuals) |  |  |  |  |  |  |  |  |  |  |  |  |
Product liability contingency, number of claimants | claimant |  |  |  |  |  |  |  |  | 59,140 |  |  |  |
Opioid |  |  |  |  |  |  |  |  |  |  |  |  |
Legal Proceeding (Textuals) |  |  |  |  |  |  |  |  |  |  |  |  |
Product liability contingency, number of claimants | claimant |  |  |  |  |  |  |  |  | 3,500 |  |  |  |
Amount reserved for settlement |  |  |  |  |  |  |  |  |  |  |  | $ 5,000.0 |
Loss contingency accrual, payment percentage |  |  |  |  |  |  |  |  |  |  |  | 60.00% |
Loss contingency accrual, payments |  |  |  |  |  |  |  |  | $ 700.0 |  |  |  |
Number of pending claims | claim |  |  |  |  |  |  |  |  | 35 |  |  |  |
Remaining pending claims | claim |  |  |  |  |  |  |  |  | 430 |  |  |  |
Additional pending claims | claim |  |  |  |  |  |  |  |  | 4 |  |  |  |
Physiomesh |  |  |  |  |  |  |  |  |  |  |  |  |
Legal Proceeding (Textuals) |  |  |  |  |  |  |  |  |  |  |  |  |
Product liability contingency, number of claimants | claimant |  |  |  |  |  |  |  |  | 370 |  |  |  |
Judicial Ruling |  |  |  |  |  |  |  |  |  |  |  |  |
Legal Proceeding (Textuals) |  |  |  |  |  |  |  |  |  |  |  |  |
Damages awarded |  |  |  |  |  | $ 6.8 | $ 8,000.0 |  |  |  |  |  |
Pending Litigation | Physiomesh |  |  |  |  |  |  |  |  |  |  |  |  |
Legal Proceeding (Textuals) |  |  |  |  |  |  |  |  |  |  |  |  |
Product liability contingency, number of claimants | claimant |  |  |  |  |  |  |  |  |  |  |  |  | 4,300
Number of pending claims | cases |  |  |  |  |  |  |  |  |  |  |  |  | 3,600
Number of claims within settlement agreement | cases |  |  |  |  |  |  |  |  |  | 3,729 | 292 |  |
Claims dismissed | cases |  |  | 3,390 |  |  |  |  |  |  |  |  |  |
Pending Litigation | Ethicon |  |  |  |  |  |  |  |  |  |  |  |  |
Legal Proceeding (Textuals) |  |  |  |  |  |  |  |  |  |  |  |  |
Product liability contingency, number of claimants | claimant |  |  | 3,584 |  |  |  |  |  |  |  |  |  |
DePuy ASR U.S. | Settled Litigation |  |  |  |  |  |  |  |  |  |  |  |  |
Legal Proceeding (Textuals) |  |  |  |  |  |  |  |  |  |  |  |  |
Number of patients in settlement | claimant |  |  |  |  |  |  |  |  | 10,000 |  |  |  |
Baby Powder | Talc |  |  |  |  |  |  |  |  |  |  |  |  |
Legal Proceeding (Textuals) |  |  |  |  |  |  |  |  |  |  |  |  |
Reserve established |  | $ 2,000.0 |  |  |  |  |  |  |  |  |  |  |
Reserve established within trust, total | $ 9,000.0 |  |  |  |  |  |  |  |  |  |  |  |
Reserve established within trust, nominal value | $ 12,000.0 |  |  |  |  |  |  |  |  |  |  |  |
Reserve established within trust, liability |  |  |  |  |  |  |  |  | 33.00% |  |  |  |
Ingham vs. Johnson & Johnson |  |  |  |  |  |  |  |  |  |  |  |  |
Legal Proceeding (Textuals) |  |  |  |  |  |  |  |  |  |  |  |  |
Damages awarded |  |  |  |  | $ 2,100.0 |  |  | $ 4,700.0 |  |  |  |  |
Loss contingency, damages paid, value |  |  |  | $ 2,500.0 |  |  |  |  |  |  |  |  |
MDL | Pending Litigation | Physiomesh |  |  |  |  |  |  |  |  |  |  |  |  |
Legal Proceeding (Textuals) |  |  |  |  |  |  |  |  |  |  |  |  |
Number of pending claims | claim |  |  |  |  |  |  |  |  | 5 |  |  |  |
MCL | Pending Litigation | Physiomesh |  |  |  |  |  |  |  |  |  |  |  |  |
Legal Proceeding (Textuals) |  |  |  |  |  |  |  |  |  |  |  |  |
Number of pending claims | claim |  |  |  |  |  |  |  |  | 3 |  |  |  |

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