Revenue Recognition - Schedule Of Revenue By Revenue Source (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Disaggregation of Revenue [Line Items]
Net sales	$ 3,684	$ 3,849
United States and Canada
Disaggregation of Revenue [Line Items]
Net sales	1,284	1,280
EMEA
Disaggregation of Revenue [Line Items]
Net sales	1,272	1,359
Asia Pacific
Disaggregation of Revenue [Line Items]
Net sales	647	656
Latin America
Disaggregation of Revenue [Line Items]
Net sales	481	554
Performance Coatings
Disaggregation of Revenue [Line Items]
Net sales	1,265	1,184
Performance Coatings | United States and Canada
Disaggregation of Revenue [Line Items]
Net sales	737	658
Performance Coatings | EMEA
Disaggregation of Revenue [Line Items]
Net sales	313	309
Performance Coatings | Asia Pacific
Disaggregation of Revenue [Line Items]
Net sales	190	185
Performance Coatings | Latin America
Disaggregation of Revenue [Line Items]
Net sales	25	32
Industrial Coatings
Disaggregation of Revenue [Line Items]
Net sales	1,562	1,699
Industrial Coatings | United States and Canada
Disaggregation of Revenue [Line Items]
Net sales	547	622
Industrial Coatings | EMEA
Disaggregation of Revenue [Line Items]
Net sales	417	475
Industrial Coatings | Asia Pacific
Disaggregation of Revenue [Line Items]
Net sales	411	415
Industrial Coatings | Latin America
Disaggregation of Revenue [Line Items]
Net sales	187	187
Global Architectural Coatings
Disaggregation of Revenue [Line Items]
Net sales	857	966
Global Architectural Coatings | United States and Canada
Disaggregation of Revenue [Line Items]
Net sales	0	0
Global Architectural Coatings | EMEA
Disaggregation of Revenue [Line Items]
Net sales	542	575
Global Architectural Coatings | Asia Pacific
Disaggregation of Revenue [Line Items]
Net sales	46	56
Global Architectural Coatings | Latin America
Disaggregation of Revenue [Line Items]
Net sales	$ 269	$ 335
Revenue from Contract with Customer | Service | Revenue from Rights Concentration Risk
Disaggregation of Revenue [Line Items]
Revenue, percentage of total revenue	5.00%	5.00%