Condensed Consolidated Statements of Comprehensive Income (Loss) (unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Income from continuing operations	$ 39	$ 0
Other comprehensive income (loss) from continuing operations, net of tax:
Currency translation adjustments, net of tax expense (benefit) of $11 and $(13) for the three months ended March 31, 2024 and 2023, respectively.	(184)	81
Pension and other postretirement benefits, net of tax expense (benefit) of $3 and ($1) for the three months ended March 31, 2024 and 2023, respectively.	4	(6)
Hedging activities, net of tax expense (benefit) of $2 and ($1) for the three months ended March 31, 2024 and 2023, respectively.	8	(2)
Total other comprehensive income (loss) from continuing operations, net of tax	(172)	73
Comprehensive income (loss) from continuing operations	(133)	73
Income from discontinued operations, net of tax	0	45
Other comprehensive income from discontinued operations, net of tax - currency translation adjustments	0	21
Comprehensive income from discontinued operations	0	66
Comprehensive income (loss)	(133)	139
Less: Comprehensive income attributable to noncontrolling interests	2	1
Less: Other comprehensive income (loss) attributable to noncontrolling interests	(4)	0
Comprehensive income (loss) attributable to Baxter stockholders	$ (131)	$ 138