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Contingencies (Details) R$ in Millions, $ in Millions | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Jul. 31, 2019 BRL (R$) | Jul. 31, 2018 BRL (R$) | Dec. 31, 2023 BRL (R$) site patent | Dec. 31, 2023 USD ($) site patent | Jun. 30, 2021 patent | Oct. 31, 2019 lawsuit
Unfavorable Regulatory Action |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Number of sites jointly and severally liable for cleanup (fewer than) | site |  |  | 10 | 10 |  |
Humalog, Humulin and Forteo |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Number of pending lawsuits | lawsuit |  |  |  |  |  | 2
Emgality Patent Litigation |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Number of patents | patent |  |  | 3 | 3 | 2 |
Employee Litigation, July 2018 Ruling | Brazil |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Damages awarded, value |  | R$ 300 | R$ 1,260 | $ 260 |  |
Employee Litigation, July 2019 Ruling | Brazil |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Damages awarded, value | R$ 500 |  | R$ 131 | $ 27 |  |

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