Revenue - Revenue by Geographic Area (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Revenue from External Customer [Line Items]
Revenue	$ 2,460	$ 2,361	$ 4,680	$ 4,551
Contract manufacturing & human health
Revenue from External Customer [Line Items]
Revenue	34	18	63	38
United States
Revenue from External Customer [Line Items]
Revenue	1,356	1,308	2,539	2,471
Australia
Revenue from External Customer [Line Items]
Revenue	83	83	158	156
Brazil
Revenue from External Customer [Line Items]
Revenue	93	99	181	200
Canada
Revenue from External Customer [Line Items]
Revenue	73	75	140	136
Chile
Revenue from External Customer [Line Items]
Revenue	36	31	70	62
China
Revenue from External Customer [Line Items]
Revenue	72	68	132	144
France
Revenue from External Customer [Line Items]
Revenue	33	34	73	75
Germany
Revenue from External Customer [Line Items]
Revenue	58	58	109	109
Italy
Revenue from External Customer [Line Items]
Revenue	38	36	67	64
Japan
Revenue from External Customer [Line Items]
Revenue	45	39	81	76
Mexico
Revenue from External Customer [Line Items]
Revenue	38	46	75	90
Spain
Revenue from External Customer [Line Items]
Revenue	37	33	70	65
United Kingdom
Revenue from External Customer [Line Items]
Revenue	77	73	154	150
Other developed markets
Revenue from External Customer [Line Items]
Revenue	162	138	295	265
Other emerging markets
Revenue from External Customer [Line Items]
Revenue	225	222	473	450
Total geographical area
Revenue from External Customer [Line Items]
Revenue	$ 2,426	$ 2,343	$ 4,617	$ 4,513