Revenue Recognition - Schedule Of Revenue By Revenue Source (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Disaggregation of Revenue [Line Items]
Net sales	$ 4,024	$ 4,131	$ 7,648	$ 7,912
Performance Coatings
Disaggregation of Revenue [Line Items]
Net sales	2,430	2,498	4,538	4,658
Industrial Coatings
Disaggregation of Revenue [Line Items]
Net sales	1,594	1,633	3,110	3,254
United States and Canada
Disaggregation of Revenue [Line Items]
Net sales	1,733	1,792	3,299	3,377
United States and Canada | Performance Coatings
Disaggregation of Revenue [Line Items]
Net sales	1,110	1,173	2,063	2,147
United States and Canada | Industrial Coatings
Disaggregation of Revenue [Line Items]
Net sales	623	619	1,236	1,230
EMEA
Disaggregation of Revenue [Line Items]
Net sales	1,255	1,279	2,369	2,459
EMEA | Performance Coatings
Disaggregation of Revenue [Line Items]
Net sales	793	811	1,481	1,518
EMEA | Industrial Coatings
Disaggregation of Revenue [Line Items]
Net sales	462	468	888	941
Asia-Pacific
Disaggregation of Revenue [Line Items]
Net sales	643	680	1,226	1,310
Asia-Pacific | Performance Coatings
Disaggregation of Revenue [Line Items]
Net sales	283	277	526	519
Asia-Pacific | Industrial Coatings
Disaggregation of Revenue [Line Items]
Net sales	360	403	700	791
Latin America
Disaggregation of Revenue [Line Items]
Net sales	393	380	754	766
Latin America | Performance Coatings
Disaggregation of Revenue [Line Items]
Net sales	244	237	468	474
Latin America | Industrial Coatings
Disaggregation of Revenue [Line Items]
Net sales	$ 149	$ 143	$ 286	$ 292
Revenue from Contract with Customer | Service
Disaggregation of Revenue [Line Items]
Service revenue, percentage of total revenue			5.00%