CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Statement of Comprehensive Income [Abstract]
Income (loss) from continuing operations	$ (326)	$ 181	$ (3,113)
Other comprehensive income (loss) from continuing operations, net of tax:
Currency translation adjustments, net of tax expense (benefit) of $1 in 2024, ($26) in 2023 and $35 in 2022	(648)	301	(647)
Pension and other postretirement benefit plans, net of tax expense of $(6) in 2024, $(25) in 2023 and $10 in 2022	(19)	(92)	(39)
Hedging activities, net of tax expense (benefit) of $3 in 2024, zero in 2023 and $2 in 2022	12	(1)	7
Available-for-sale debt securities, net of tax expense of zero in 2024 and 2023 and $1 in $2 in 2022	0	0	3
Total other comprehensive income (loss) from continuing operations, net of tax	(655)	208	(676)
Comprehensive income (loss) from continuing operations	(981)	389	(3,789)
Income (loss) from discontinued operations, net of tax	(312)	2,482	692
Currency translation adjustments, net of tax expense (benefit) of $(7) in 2024, $8 in 2023 and $6 in 2022	187	97	168
Pension and other postretirement benefit plans, net of tax expense of $3 in 2024, $(2) in 2023 and $2 in 2022	(4)	(29)	55
Total other comprehensive income from discontinued operations	183	68	223
Comprehensive income (loss) from discontinued operations	(129)	2,550	915
Comprehensive income (loss) from continuing operations	(1,110)	2,939	(2,874)
Less: Net income attributable to noncontrolling interests included in discontinued operations	11	7	12
Less: Other comprehensive income (loss) attributable to noncontrolling interests	(16)	(3)	(5)
Comprehensive income (loss) attributable to Baxter stockholders	$ (1,105)	$ 2,935	$ (2,881)