Asset Impairment, Restructuring and Other Special Charges - Component of Asset Impairment, Restructuring and Other Special Charges (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended			9 Months Ended
	Sep. 30, 2024	Sep. 30, 2024	Jun. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 2		$ 0	$ 45	$ 0
Acquisition and divestiture-related charges		0		11	17	86
Asset impairment		15		5	76	5
Other		0		0	5	0
Total expense		$ 17		$ 16	$ 143	$ 91
Shawnee and Speke | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Restructuring Cost and Reserve [Line Items]
Asset impairment	$ 12
Acquired in-process research and development (IPR&D)
Restructuring Cost and Reserve [Line Items]
Asset impairment			$ 53