Revenue Recognition - Schedule Of Revenue By Revenue Source (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenue Recognition [Line Items]
Service revenue, percentage of total revenue	5.00%
Net sales	$ 3,781	$ 3,486
Performance Coatings
Revenue Recognition [Line Items]
Net sales	2,160	2,017
Industrial Coatings
Revenue Recognition [Line Items]
Net sales	1,621	1,469
United States and Canada
Revenue Recognition [Line Items]
Revenue from contract with customer, excluding assessed tax	1,585	1,543
United States and Canada | Performance Coatings
Revenue Recognition [Line Items]
Revenue from contract with customer, excluding assessed tax	974	962
United States and Canada | Industrial Coatings
Revenue Recognition [Line Items]
Revenue from contract with customer, excluding assessed tax	611	581
EMEA
Revenue Recognition [Line Items]
Revenue from contract with customer, excluding assessed tax	1,180	1,023
EMEA | Performance Coatings
Revenue Recognition [Line Items]
Revenue from contract with customer, excluding assessed tax	707	629
EMEA | Industrial Coatings
Revenue Recognition [Line Items]
Revenue from contract with customer, excluding assessed tax	473	394
Asia-Pacific
Revenue Recognition [Line Items]
Revenue from contract with customer, excluding assessed tax	630	583
Asia-Pacific | Performance Coatings
Revenue Recognition [Line Items]
Revenue from contract with customer, excluding assessed tax	242	220
Asia-Pacific | Industrial Coatings
Revenue Recognition [Line Items]
Revenue from contract with customer, excluding assessed tax	388	363
Latin America
Revenue Recognition [Line Items]
Revenue from contract with customer, excluding assessed tax	386	337
Latin America | Performance Coatings
Revenue Recognition [Line Items]
Revenue from contract with customer, excluding assessed tax	237	206
Latin America | Industrial Coatings
Revenue Recognition [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 149	$ 131