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Commitments, Contingent Liabilities and Litigation (Details) $ in Millions |  |  | 3 Months Ended | 5 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended | 40 Months Ended | 176 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 30, 2023 USD ($) lawsuit | Jul. 31, 2014 | Dec. 31, 2024 USD ($) numberOfUSTerritories states | Dec. 31, 2023 USD ($) | Sep. 30, 2023 USD ($) | Dec. 31, 2024 USD ($) numberOfUSTerritories states | Dec. 31, 2023 USD ($) | Mar. 31, 2024 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | Oct. 31, 2024 USD ($) | Dec. 31, 2038 USD ($) | Jan. 27, 2025 lawsuit | Aug. 31, 2024 USD ($) | Nov. 30, 2023 USD ($) | Oct. 31, 2022 USD ($) | Jul. 31, 2022 USD ($) | Apr. 30, 2018 USD ($)
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income from Settlements of Class Action Lawsuits |  |  | $ 16 | $ 31 |  | $ 59 | $ 71 |  |  |  |  |  |  |  |  |  |  |
Product Liability Lawsuits | IVC April 2023 Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Claims Settled, Number | lawsuit | 4,375 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Lawsuits | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency Accrual |  |  | 286 |  |  | 286 |  |  |  |  |  |  |  |  |  |  |  |
Total Opioid Litigation [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated Litigation Liability |  |  | 4,900 |  |  | 4,900 |  |  |  |  |  |  |  |  |  |  |  |
Estimated Litigation Liability, Current |  |  | 636 |  |  | $ 636 |  |  |  |  |  |  |  |  |  |  |  |
Litigation Settlement, Loss |  |  | $ 340 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income As A Result Of Prepayments |  |  |  |  |  |  |  |  | $ 105 |  |  |  |  |  |  |  |  |
Loss Contingency Accrual, Period Increase (Decrease) |  |  |  |  |  |  |  |  | $ 344 |  |  |  |  |  |  |  |  |
New York Opioid Stewardship Act [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate Annual Assessment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 100
Opioid Lawsuits [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Settling States | states |  |  | 48 |  |  | 48 |  |  |  |  |  |  |  |  |  |  |  |
Settling U.S Territories | numberOfUSTerritories |  |  | 5 |  |  | 5 |  |  |  |  |  |  |  |  |  |  |  |
Payments for Legal Settlements |  |  |  |  |  |  |  |  |  |  | $ 1,900 |  |  |  |  |  |  |
Insurance Recoveries |  |  | $ 16 |  |  | $ 25 |  | $ 34 |  |  |  |  |  |  |  |  |  |
Opioid Lawsuits [Member] | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments for Legal Settlements |  |  |  |  |  |  |  |  |  |  |  | $ 4,400 |  |  |  |  |  |
Opioid Lawsuits [Member] | WEST VIRGINIA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Estimate of Possible Loss |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 124 |
Opioid Lawsuits [Member] | ALABAMA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation Settlement, Loss |  |  |  |  |  | 22 |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Estimate of Possible Loss |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 123 |  |  |
Opioid Lawsuits [Member] | Native American tribes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Estimate of Possible Loss |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 136 |  |
Opioid Lawsuits [Member] | City of Baltimore |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Estimate of Possible Loss |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 153 |  |  |  |
Opioid Lawsuits [Member] | Private Parties [Member] | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Lawsuits, Number | lawsuit |  |  |  |  |  |  |  |  |  |  |  |  | 285 |  |  |  |  |
Opioid Lawsuits [Member] | Class Action Lawsuits [Member] | Private Parties [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated Litigation Liability |  |  | $ 213 |  |  | $ 213 |  |  |  |  |  |  |  |  |  |  |  |
Opioid Lawsuits [Member] | Class Action Lawsuits [Member] | Private Parties [Member] | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Lawsuits, Number | lawsuit |  |  |  |  |  |  |  |  |  |  |  |  | 87 |  |  |  |  |
Product Liability Lawsuits |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product Liability Accrual, Period Expense |  |  |  |  |  |  |  |  |  | $ (103) |  |  |  |  |  |  |  |
Product Liability Lawsuits | IVC April 2023 Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Estimate of Possible Loss | $ 275 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments for Legal Settlements |  |  |  |  | $ 275 |  |  |  |  |  |  |  |  |  |  |  |  |
CVS Health |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Purchase Commitment, Period |  | 10 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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