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Revenue (Revenue Disaggregation by Geographical Region and Revenue Type) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Disaggregation of Revenue [Line Items] |  |  |
Sales | $ 22,284 | $ 17,911 | $ 17,049
North America |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 9,011 | 7,012 | 6,470
Western Europe |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 5,323 | 4,057 | 4,061
Other developed markets |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 1,299 | 1,112 | 1,075
High-growth markets |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 6,651 | 5,730 | 5,443
Recurring |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 15,978 | 12,307 | 11,684
Nonrecurring |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 6,306 | 5,604 | 5,365
Operating segments | Life Sciences |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 10,576 | 6,951 | 6,471
Operating segments | Life Sciences | North America |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 3,919 | 2,596 | 2,295
Operating segments | Life Sciences | Western Europe |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 2,939 | 1,876 | 1,847
Operating segments | Life Sciences | Other developed markets |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 754 | 585 | 570
Operating segments | Life Sciences | High-growth markets |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 2,964 | 1,894 | 1,759
Operating segments | Life Sciences | Recurring |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 7,400 | 4,411 | 4,132
Operating segments | Life Sciences | Nonrecurring |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 3,176 | 2,540 | 2,339
Operating segments | Diagnostics |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 7,403 | 6,561 | 6,258
Operating segments | Diagnostics | North America |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 3,182 | 2,531 | 2,404
Operating segments | Diagnostics | Western Europe |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 1,375 | 1,132 | 1,155
Operating segments | Diagnostics | Other developed markets |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 423 | 402 | 379
Operating segments | Diagnostics | High-growth markets |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 2,423 | 2,496 | 2,320
Operating segments | Diagnostics | Recurring |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 6,143 | 5,524 | 5,272
Operating segments | Diagnostics | Nonrecurring |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 1,260 | 1,037 | 986
Operating segments | Environmental & Applied Solutions |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 4,305 | 4,399 | 4,320
Operating segments | Environmental & Applied Solutions | North America |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 1,910 | 1,885 | 1,771
Operating segments | Environmental & Applied Solutions | Western Europe |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 1,009 | 1,049 | 1,059
Operating segments | Environmental & Applied Solutions | Other developed markets |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 122 | 125 | 126
Operating segments | Environmental & Applied Solutions | High-growth markets |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 1,264 | 1,340 | 1,364
Operating segments | Environmental & Applied Solutions | Recurring |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 2,435 | 2,372 | 2,280
Operating segments | Environmental & Applied Solutions | Nonrecurring |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | $ 1,870 | $ 2,027 | $ 2,040

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