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Commitments, Contingent Liabilities and Litigation Narrative (Details) $ in Millions |  |  | 1 Months Ended | 3 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Nov. 03, 2022 lawsuit numberOfUSTerritories plaintiff states | Jul. 31, 2021 lawsuit | Jul. 31, 2022 USD ($) plaintiff | Dec. 31, 2022 USD ($) | Sep. 30, 2022 USD ($) | Dec. 31, 2021 USD ($) | Sep. 30, 2021 USD ($) | Oct. 31, 2022 USD ($) lawsuit states | Jun. 30, 2022 USD ($)
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Gain (Loss) Related to Litigation Settlement |  |  |  |  | $ (27) |  | $ (18) |  |
Pharmaceutical |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Judgment for lost profits |  |  |  |  |  | $ 16 |  |  |
Subsequent Event |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Income from Settlements of Class Action Lawsuits |  |  |  | $ 66 |  |  |  |  |
Opioid Lawsuits [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Payments for Legal Settlements |  |  |  |  | 372 |  |  |  |
Opioid Lawsuits [Member] | Subsequent Event |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Loss Contingency, Number of Eligible States | states |  |  |  |  |  |  |  | 49 |
Product Liability Lawsuits [Member] | Subsequent Event |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Loss Contingency, Pending Claims, Number | lawsuit | 7 |  |  |  |  |  |  |  |
New York Opioid Stewardship Act [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Loss Contingency Accrual |  |  |  |  | 20 |  |  |  |
Aggregate Annual Assessment |  |  |  |  | $ 100 |  |  |  |
Estimated Liability for New York Opioid Stewardship Act |  |  |  |  |  |  | $ 41 |  |
Loss Contingency Accrual, Payments |  |  |  |  |  | $ 20 |  |  |
CVS Health |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Long-term Purchase Commitment, Period |  |  |  |  | 10 years |  |  |  |
Product Liability Lawsuits [Member] | Subsequent Event |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Loss Contingency, Pending Claims, Number | lawsuit | 450 |  |  |  |  |  |  |  |
Minimum | Product Liability Lawsuits [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Loss Contingency Accrual |  |  |  |  | $ 527 |  |  |  |
Alameda County [Member] | Product Liability Lawsuits [Member] | Subsequent Event |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Number of plaintiffs | plaintiff | 5,215 |  |  |  |  |  |  |  |
Other Jurisdictions [Member] | Product Liability Lawsuits [Member] | Subsequent Event |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Number of plaintiffs | plaintiff | 8 |  |  |  |  |  |  |  |
WEST VIRGINIA | Opioid Lawsuits [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Loss Contingency, Estimate of Possible Loss |  |  | $ 124 |  |  |  |  |  |
OKLAHOMA | Opioid Lawsuits [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Loss Contingency, Estimate of Possible Loss |  |  |  |  |  |  |  |  | $ 95
WASHINGTON | Opioid Lawsuits [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Loss Contingency, Estimate of Possible Loss |  |  |  |  |  |  |  |  | $ 160
Native American tribes [Member] | Opioid Lawsuits [Member] | Subsequent Event |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Loss Contingency, Estimate of Possible Loss |  |  |  |  |  |  |  | $ 136 |
Total Opioid Litigation [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
litigation settlement liability recorded |  |  |  |  | 6,030 |  |  |  |
Loss Contingency, Estimate of Possible Loss |  |  |  |  | 6,000 |  |  |  |
Total Opioid Litigation [Member] | Accrued Liabilities |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
litigation settlement liability recorded |  |  |  |  | 608 |  |  |  |
Total Opioid Litigation [Member] | Subsequent Event |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Settling States | states | 46 |  |  |  |  |  |  |  |
Settling U.S Territories | numberOfUSTerritories | 5 |  |  |  |  |  |  |  |
Private Parties [Member] | Opioid Lawsuits [Member] | Subsequent Event |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Loss Contingency, Lawsuits, Number | lawsuit |  |  |  |  |  |  |  | 454 |
Private Parties [Member] | GEORGIA | Opioid Lawsuits [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Number of plaintiffs | plaintiff |  |  | 21 |  |  |  |  |  |
Class Action Lawsuits [Member] | Private Parties [Member] | Opioid Lawsuits [Member] | Subsequent Event |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Loss Contingency, Lawsuits, Number | lawsuit |  |  |  |  |  |  |  | 151 |
Product Liability Lawsuits [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Loss Contingency, Claims Settled, Number | lawsuit |  | 1,300 |  |  |  |  |  |  |
Product Liability Lawsuits [Member] | Maximum |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Loss Contingency Accrual |  |  |  |  | $ 1,070 |  |  |  |

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