Revenue - Revenue by Geographic Area (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenue from External Customer [Line Items]
Revenue	$ 2,052	$ 1,948	$ 4,038	$ 3,819
United States
Revenue from External Customer [Line Items]
Revenue	1,091	1,004	2,111	1,937
Australia
Revenue from External Customer [Line Items]
Revenue	80	69	145	126
Brazil
Revenue from External Customer [Line Items]
Revenue	86	75	163	149
Canada
Revenue from External Customer [Line Items]
Revenue	67	67	116	113
Chile
Revenue from External Customer [Line Items]
Revenue	34	34	75	68
China
Revenue from External Customer [Line Items]
Revenue	96	94	199	217
France
Revenue from External Customer [Line Items]
Revenue	31	32	63	67
Germany
Revenue from External Customer [Line Items]
Revenue	46	50	89	88
Italy
Revenue from External Customer [Line Items]
Revenue	32	32	62	57
Japan
Revenue from External Customer [Line Items]
Revenue	41	50	100	97
Mexico
Revenue from External Customer [Line Items]
Revenue	33	34	68	67
Spain
Revenue from External Customer [Line Items]
Revenue	35	33	68	64
United Kingdom
Revenue from External Customer [Line Items]
Revenue	51	43	115	112
Other developed markets
Revenue from External Customer [Line Items]
Revenue	118	112	233	223
Other emerging markets
Revenue from External Customer [Line Items]
Revenue	193	199	395	398
Total geographical area
Revenue from External Customer [Line Items]
Revenue	2,034	1,928	4,002	3,783
Contract manufacturing & human health
Revenue from External Customer [Line Items]
Revenue	$ 18	$ 20	$ 36	$ 36