Condensed Consolidated Statements of Comprehensive Income (unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 73	$ 300
Other comprehensive income (loss), net of tax:
Currency translation adjustments, net of tax expense (benefit) of ($11) and $17 for the three months ended March 31, 2022 and 2021, respectively.	(15)	(208)
Pension and other postretirement benefits, net of tax expense of $3 and $8 for the three months ended March 31, 2022 and 2021, respectively.	9	30
Hedging activities, net of tax expense (benefit) of ($1) and $3 for the three months ended March 31, 2022 and 2021, respectively.	(2)	12
Debt securities, net of tax expense of $1 and zero for the three months ended March 31, 2022 and 2021, respectively	1	0
Total other comprehensive loss, net of tax	(7)	(166)
Comprehensive income	66	134
Less: Comprehensive income attributable to noncontrolling interests	2	2
Comprehensive income attributable to Baxter stockholders	$ 64	$ 132