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Contingencies (Details) R$ in Millions, $ in Millions |  | 1 Months Ended | 145 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2021 BRL (R$) lawsuit request claimant patent site | Mar. 31, 2021 USD ($) lawsuit request claimant patent site | Mar. 31, 2020 patent | Feb. 29, 2020 patent | Dec. 31, 2019 | Jul. 31, 2019 BRL (R$) | Jul. 31, 2018 BRL (R$) | Mar. 31, 2021 request lawsuit claimant plaintiff patent site | Nov. 30, 2017 lawsuit | Jan. 31, 2013 lawsuit | Jul. 31, 2012 lawsuit | Dec. 31, 2011 lawsuit
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of requests for information | request | 2 | 2 |  |  |  |  |  | 2 |  |  |  |
Unfavorable Regulatory Action |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of sites jointly and severally liable for cleanup (fewer than) | site | 10 | 10 |  |  |  |  |  | 10 |  |  |  |
Actos | Product Liability |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of pending lawsuits | 4 | 4 |  |  |  |  |  | 4 |  |  |  |
Byetta | Product Liability |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of pending lawsuits | 570 | 570 |  |  |  |  |  | 570 |  |  |  |
Number of plaintiffs | plaintiff |  |  |  |  |  |  |  | 810 |  |  |  |
Number of claimants | claimant | 20 | 20 |  |  |  |  |  | 20 |  |  |  |
Byetta | Pancreatic Cancer or Thyroid Cancer | Product Liability |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of pending lawsuits | 565 | 565 |  |  |  |  |  | 565 |  |  |  |
Number of plaintiffs | plaintiff |  |  |  |  |  |  |  | 800 |  |  |  |
Byetta | Pancreatitis | Product Liability |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of plaintiffs | plaintiff |  |  |  |  |  |  |  | 6 |  |  |  |
Byetta | Ampullary Cancer | Product Liability |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of plaintiffs | plaintiff |  |  |  |  |  |  |  | 1 |  |  |  |
Byetta | Los Angeles | Product Liability |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of pending lawsuits | 55 | 55 |  |  |  |  |  | 55 |  |  |  |
Number of plaintiffs | plaintiff |  |  |  |  |  |  |  | 285 |  |  |  |
Byetta | Southern District of California | Product Liability |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of pending lawsuits | 515 | 515 |  |  |  |  |  | 515 |  |  |  |
Number of plaintiffs | plaintiff |  |  |  |  |  |  |  | 515 |  |  |  |
Byetta | Various State Domiciles | Product Liability |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of pending lawsuits | 3 | 3 |  |  |  |  |  | 3 |  |  |  |
Number of plaintiffs | plaintiff |  |  |  |  |  |  |  | 4 |  |  |  |
Cialis® | Product Liability |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of pending lawsuits | 350 | 350 |  |  |  |  |  | 350 |  |  |  |
Jardiance | Product Liability |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of pending lawsuits | 95 | 95 |  |  |  |  |  | 95 |  |  |  |
Humalog, Humulin and Forteo |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of pending lawsuits | 2 | 2 |  |  |  |  |  | 2 |  |  |  |
Dr Reddy's Lab |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Limited initial market entry, supply term |  |  |  |  | 21 days |  |  |  |  |  |  |
Emgality Patent Litigation |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of patents | patent | 9 | 9 |  | 9 |  |  |  | 9 |  |  |  |
Number of patents, claims dismissed | patent |  |  |  | 6 |  |  |  |  |  |  |  |
Number of patents ruled unpatentable | patent |  |  | 3 |  |  |  |  |  |  |  |  |
Casseres et al. v. Takeda Pharmaceutical North America, Inc., et al. | Actos | Product Liability |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of pending lawsuits |  |  |  |  |  |  |  |  |  |  |  | 1
Weiler v. Takeda Canada Inc. et al. | Actos | Product Liability |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of pending lawsuits |  |  |  |  |  |  |  |  |  |  | 1 |
Weiler v. Takeda Canada Inc. et al. | Actos | Product Liability |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of pending lawsuits |  |  |  |  |  |  |  |  | 1 |  |  |
Epp v. Takeda Canada Inc. et al. | Actos | Product Liability |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of pending lawsuits |  |  |  |  |  |  |  |  |  | 1 |  |
Brazil | Employee Litigation |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of pending lawsuits | 30 | 30 |  |  |  |  |  | 30 |  |  |  |
Damages awarded, value | R$ 950 | $ 165 |  |  |  | R$ 500 | R$ 300 |  |  |  |  |

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