Revenue - Revenue by Geographic Area (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Revenue from External Customer [Line Items]
Revenue	$ 2,400	$ 2,388	$ 7,080	$ 6,939
Contract manufacturing & human health
Revenue from External Customer [Line Items]
Revenue	23	21	86	59
United States
Revenue from External Customer [Line Items]
Revenue	1,322	1,346	3,861	3,817
Australia
Revenue from External Customer [Line Items]
Revenue	87	83	245	239
Brazil
Revenue from External Customer [Line Items]
Revenue	100	101	281	301
Canada
Revenue from External Customer [Line Items]
Revenue	70	66	210	202
Chile
Revenue from External Customer [Line Items]
Revenue	29	31	99	93
China
Revenue from External Customer [Line Items]
Revenue	45	61	177	205
France
Revenue from External Customer [Line Items]
Revenue	40	36	113	111
Germany
Revenue from External Customer [Line Items]
Revenue	62	57	171	166
Italy
Revenue from External Customer [Line Items]
Revenue	35	31	102	95
Japan
Revenue from External Customer [Line Items]
Revenue	34	33	115	109
Mexico
Revenue from External Customer [Line Items]
Revenue	41	39	116	129
Spain
Revenue from External Customer [Line Items]
Revenue	38	35	108	100
United Kingdom
Revenue from External Customer [Line Items]
Revenue	82	80	236	230
Other developed markets
Revenue from External Customer [Line Items]
Revenue	164	148	459	413
Other emerging markets
Revenue from External Customer [Line Items]
Revenue	228	220	701	670
Total geographical area
Revenue from External Customer [Line Items]
Revenue	$ 2,377	$ 2,367	$ 6,994	$ 6,880