Revenue Recognition - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Bad debt expense	$ 43	$ 17	$ 15
Allowance for doubtful accounts		23	23	$ 29
Net sales		15,845	16,242	15,614
Performance Coatings Segment
Disaggregation of Revenue [Line Items]
Net sales		5,237	5,132	4,792
Global Architectural Coatings
Disaggregation of Revenue [Line Items]
Net sales		3,921	4,021	3,852
United States and Canada
Disaggregation of Revenue [Line Items]
Net sales		5,352	5,485	5,346
United States and Canada | Performance Coatings Segment
Disaggregation of Revenue [Line Items]
Net sales		2,981	2,902	2,668
United States and Canada | Global Architectural Coatings
Disaggregation of Revenue [Line Items]
Net sales		0	0	0
EMEA
Disaggregation of Revenue [Line Items]
Net sales		5,386	5,617	5,458
EMEA | Performance Coatings Segment
Disaggregation of Revenue [Line Items]
Net sales		1,262	1,220	1,114
EMEA | Global Architectural Coatings
Disaggregation of Revenue [Line Items]
Net sales		2,357	2,408	2,436
Asia Pacific
Disaggregation of Revenue [Line Items]
Net sales		2,912	2,873	2,824
Asia Pacific | Performance Coatings Segment
Disaggregation of Revenue [Line Items]
Net sales		883	866	875
Asia Pacific | Global Architectural Coatings
Disaggregation of Revenue [Line Items]
Net sales		232	237	244
Latin America
Disaggregation of Revenue [Line Items]
Net sales		2,195	2,267	1,986
Latin America | Performance Coatings Segment
Disaggregation of Revenue [Line Items]
Net sales		111	144	135
Latin America | Global Architectural Coatings
Disaggregation of Revenue [Line Items]
Net sales		$ 1,332	$ 1,376	$ 1,172
Service | Revenue from Contract with Customer | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Service revenue, percentage of total revenue		5.00%	5.00%	5.00%