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v3.21.1

Segment Reporting - Profits to Income Before Taxes (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Segment Reporting Information [Line Items] |  |
Profits | $ 3,462 | $ 3,838
Interest income | 11 | 25
Interest expense | (200) | (212)
Amortization | 534 | 410
Research and development | (2,465) | (2,209)
Restructuring costs | (298) | (72)
Total segment profits |  |
Segment Reporting Information [Line Items] |  |
Profits | 8,127 | 8,062
Total segment profits | Pharmaceutical segment |  |
Segment Reporting Information [Line Items] |  |
Profits | 7,555 | 7,582
Total segment profits | Animal Health segment |  |
Segment Reporting Information [Line Items] |  |
Profits | 572 | 479
Total segment profits | Other segment |  |
Segment Reporting Information [Line Items] |  |
Profits | 0 | 1
Other profits |  |
Segment Reporting Information [Line Items] |  |
Profits | (34) | 139
Unallocated |  |
Segment Reporting Information [Line Items] |  |
Interest income | 11 | 25
Interest expense | (200) | (212)
Amortization | 534 | 410
Depreciation | (358) | (377)
Research and development | (2,358) | (2,097)
Restructuring costs | (298) | (72)
Other unallocated, net | $ (894) | $ (1,220)

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