Divestitures (Operating Results) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales		$ 15,845	$ 16,242	$ 15,614
Cost of sales, exclusive of depreciation and amortization		9,252	9,678	9,975
Selling, general and administrative		3,391	3,401	3,037
Depreciation		360	360	357
Amortization		132	154	145
Research and development, net		423	424	434
Impairment and other-related charges, net	$ 146	146	160	231
Other (income)/charges, net		(8)	80	(66)
Income before income taxes		1,852	1,690	1,355
Income tax expense		475	428	320
(Loss)/income from discontinued operations, net of tax		(228)	47	19
Discontinued Operations, Disposed of by Sale | U.S. And Canada Architectural Coatings Business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales		1,878	2,004	2,038
Cost of sales, exclusive of depreciation and amortization		976	1,067	1,121
Selling, general and administrative		787	821	805
Depreciation		28	31	31
Amortization		6	13	21
Research and development, net		9	9	14
Impairment and other-related charges, net		0	0	14
Other (income)/charges, net		1	5	6
Income from discontinued operations, before tax		285	0	0
Income before income taxes		(214)	58	26
Income tax expense		14	11	5
(Loss)/income from discontinued operations, net of tax		$ (228)	$ 47	$ 21