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Contingencies (Details) $ in Millions | 1 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2014 case | Jun. 30, 2022 USD ($) case claim | Dec. 31, 2021 USD ($) | Aug. 31, 2020 claim
Legal Defense Costs |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Legal defense costs reserve | $ |  | $ 235 | $ 230 |
Zetia antitrust litigation |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss contingency, pending claims | claim |  |  |  | 35
Zetia antitrust litigation | Pending Litigation |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss contingency, new claims filed | claim |  | 23 |  |
Fosamax |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss contingency, pending claims |  | 3,450 |  |
Fosamax | Femur Fracture Litigation | Federal |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss contingency, claims dismissed | 650 |  |  |
Loss contingency, claims on appeal | 515 |  |  |
Januvia | Other State Court |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss contingency, pending claims | claim |  | 6 |  |
Januvia | Cases Company Agreed To Toll Statute Of Limitations |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss contingency, pending claims | claim |  | 50 |  |
Bridion | Patents |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss contingency, claims settled |  | 4 |  |
Bridion | Patents | Pending Litigation |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss contingency, pending claims |  | 2 |  |
Januvia and Janumet | Patents |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss contingency, claims settled |  | 22 |  |

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