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v3.20.1

Segment Reporting - Profits to Income Before Taxes (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Segment Reporting Information [Line Items] |  |
Profits | $ 3,838 | $ 3,067
Interest income | 25 | 89
Interest expense | (212) | (209)
Depreciation and amortization | (821) | (898)
Research and development | (2,209) | (1,931)
Restructuring costs | (72) | (153)
Total segment profits |  |
Segment Reporting Information [Line Items] |  |
Profits | 7,956 | 6,991
Total segment profits | Pharmaceutical segment |  |
Segment Reporting Information [Line Items] |  |
Profits | 7,477 | 6,574
Total segment profits | Animal Health segment |  |
Segment Reporting Information [Line Items] |  |
Profits | 478 | 415
Total segment profits | Other segment |  |
Segment Reporting Information [Line Items] |  |
Profits | 1 | 2
Other profits |  |
Segment Reporting Information [Line Items] |  |
Profits | 139 | 30
Unallocated |  |
Segment Reporting Information [Line Items] |  |
Interest income | 25 | 89
Interest expense | (212) | (209)
Depreciation and amortization | (381) | (359)
Research and development | (2,097) | (1,843)
Amortization of purchase accounting adjustments | (295) | (397)
Restructuring costs | (72) | (153)
Other unallocated, net | $ (1,225) | $ (1,082)

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