Revenue Recognition - Schedule Of Revenue (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Net sales	$ 16,802	$ 13,834	$ 15,146
United States and Canada
Disaggregation of Revenue [Line Items]
Net sales	6,676	5,668	6,475
EMEA
Disaggregation of Revenue [Line Items]
Net sales	5,436	4,328	4,549
Asia Pacific
Disaggregation of Revenue [Line Items]
Net sales	2,977	2,431	2,542
Latin America
Disaggregation of Revenue [Line Items]
Net sales	1,713	1,407	1,580
Performance Coatings Segment [Member]
Disaggregation of Revenue [Line Items]
Net sales	10,333	8,495	9,034
Performance Coatings Segment [Member] | United States and Canada
Disaggregation of Revenue [Line Items]
Net sales	4,366	3,673	4,057
Performance Coatings Segment [Member] | EMEA
Disaggregation of Revenue [Line Items]
Net sales	3,582	2,861	2,869
Performance Coatings Segment [Member] | Asia Pacific
Disaggregation of Revenue [Line Items]
Net sales	1,254	1,015	1,095
Performance Coatings Segment [Member] | Latin America
Disaggregation of Revenue [Line Items]
Net sales	1,131	946	1,013
Industrial Coatings Segment [Member]
Disaggregation of Revenue [Line Items]
Net sales	6,469	5,339	6,112
Industrial Coatings Segment [Member] | United States and Canada
Disaggregation of Revenue [Line Items]
Net sales	2,310	1,995	2,418
Industrial Coatings Segment [Member] | EMEA
Disaggregation of Revenue [Line Items]
Net sales	1,854	1,467	1,680
Industrial Coatings Segment [Member] | Asia Pacific
Disaggregation of Revenue [Line Items]
Net sales	1,723	1,416	1,447
Industrial Coatings Segment [Member] | Latin America
Disaggregation of Revenue [Line Items]
Net sales	$ 582	$ 461	$ 567
Revenue from Contract with Customer | Service [Member] | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Service revenue, percentage of total revenue	5.00%	5.00%	5.00%