Revenue - Revenue by Geographic Area (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenue from External Customer [Line Items]
Revenue	$ 1,871	$ 1,534
United States
Revenue from External Customer [Line Items]
Revenue	933	786
Australia
Revenue from External Customer [Line Items]
Revenue	57	43
Brazil
Revenue from External Customer [Line Items]
Revenue	74	63
Canada
Revenue from External Customer [Line Items]
Revenue	46	40
Chile
Revenue from External Customer [Line Items]
Revenue	34	23
China
Revenue from External Customer [Line Items]
Revenue	123	66
France
Revenue from External Customer [Line Items]
Revenue	35	29
Germany
Revenue from External Customer [Line Items]
Revenue	38	34
Italy
Revenue from External Customer [Line Items]
Revenue	25	21
Japan
Revenue from External Customer [Line Items]
Revenue	47	41
Mexico
Revenue from External Customer [Line Items]
Revenue	33	32
Spain
Revenue from External Customer [Line Items]
Revenue	31	28
United Kingdom
Revenue from External Customer [Line Items]
Revenue	69	55
Other developed markets
Revenue from External Customer [Line Items]
Revenue	111	87
Other emerging markets
Revenue from External Customer [Line Items]
Revenue	199	166
Total geographical area
Revenue from External Customer [Line Items]
Revenue	1,855	1,514
Contract manufacturing & human health
Revenue from External Customer [Line Items]
Revenue	$ 16	$ 20