Condensed Consolidated Statements of Loss (unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement [Abstract]
Net sales	$ 2,699	$ 2,599	$ 7,883	$ 7,634
Cost of sales	1,666	1,543	4,858	4,584
Gross margin	1,033	1,056	3,025	3,050
Selling, general and administrative expenses	754	744	2,206	2,270
Research and development expenses	129	133	379	391
Other operating income, net	(5)	0	(9)	(14)
Operating income	155	179	449	403
Interest expense, net	87	127	251	367
Other (income) expense, net	1	12	34	(15)
Income from continuing operations before income taxes	69	64	232	21
Income tax expense	8	27	70	59
Income (loss) from continuing operations	61	37	162	(38)
Income (loss) from discontinued operations, net of tax	83	2,474	(290)	2,455
Net income (loss)	144	2,511	(128)	2,417
Net income attributable to noncontrolling interests included in continuing operations	0	0	0	0
Net income attributable to noncontrolling interests included in discontinued operations	4	3	9	6
Less: Comprehensive income attributable to noncontrolling interests	4	3	9	6
Net income (loss) attributable to Baxter stockholders	$ 140	$ 2,508	$ (137)	$ 2,411
Income (loss) from continuing operations per common share
Income from continuing operations per common share, basic (in dollars per share)	$ 0.12	$ 0.07	$ 0.32	$ (0.08)
Income from continuing operations per common share, diluted (in dollars per share)	0.12	0.07	0.32	(0.08)
Income (loss) from discontinued operations per common share
Income from discontinued operations per common share, basic (in dollars per share)	0.15	4.88	(0.59)	4.84
Income from discontinued operations per common share, diluted (in dollars per share)	0.15	4.86	(0.59)	4.84
Income (loss) per common share
Basic (in dollars per share)	0.27	4.95	(0.27)	4.76
Diluted (in dollars per share)	$ 0.27	$ 4.93	$ (0.27)	$ 4.76
Weighted-average number of shares outstanding
Basic (in shares)	510	507	509	506
Diluted (in shares)	512	509	511	506

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(2)(d))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(2)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 924
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 11.L)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479941/924-10-S99-1