Condensed Consolidated Statements of Comprehensive Income (unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 45	$ 73
Other comprehensive income (loss), net of tax:
Currency translation adjustments, net of tax expense (benefit) of ($13) and $(11) for the three months ended March 31, 2023 and 2022, respectively.	102	(15)
Pension and other postretirement benefits, net of tax expense (benefit) of ($1) and $3 for the three months ended March 31, 2023 and 2022, respectively.	(6)	9
Hedging activities, net of tax expense (benefit) of ($1) for the three months ended March 31, 2023 and 2022.	(2)	(2)
Available-for-sale debt securities, net of tax expense of zero and $1 for the three months ended March 31, 2023 and 2022, respectively.	0	1
Total other comprehensive income (loss), net of tax	94	(7)
Comprehensive income	139	66
Less: Comprehensive income attributable to noncontrolling interests	1	2
Comprehensive income attributable to Baxter stockholders	$ 138	$ 64