Condensed Consolidated Statements of Comprehensive Income Loss (unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Income (loss) from continuing operations	$ (193)	$ 185	$ (193)	$ 193
Other comprehensive income (loss) from continuing operations, net of tax:
Currency translation adjustments, net of tax expense (benefit) of $4 and $2 for the three months ended June 30, 2023 and 2022, respectively, and ($9) and ($9) for the six months ended June 30, 2023 and 2022, respectively.	(76)	(372)	5	(376)
Pension and other postretirement benefits, net of tax expense (benefit) of ($2) and $5 for the three months ended June 30, 2023 and 2022, respectively, and ($3) and $8 the six months ended June 30, 2023 and 2022, respectively.	(5)	23	(11)	32
Hedging activities, net of tax expense (benefit) of $2 for the three months ended June 30, 2023 and 2022, respectively, and $1 and $3 for the six months ended June 30, 2023 and 2022, respectively.	7	13	5	11
Available-for-sale debt securities, net of tax expense of zero for the three months ended June 30, 2023 and 2022 and zero and $1 for the six months ended June 30, 2023 and 2022, respectively.	0	1	0	2
Total other comprehensive loss from continuing operations, net of tax	(74)	(335)	(1)	(331)
Comprehensive loss from continuing operations	(267)	(150)	(194)	(138)
Income from discontinued operations, net of tax	54	70	99	135
Other comprehensive income (loss) from discontinued operations, net of tax - currency translation adjustments	(1)	(45)	20	(56)
Comprehensive loss	(214)	(125)	(75)	(59)
Less: Comprehensive income attributable to noncontrolling interests	2	3	3	5
Comprehensive loss attributable to Baxter stockholders	$ (216)	$ (128)	$ (78)	$ (64)