For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Revenue Recognition - Schedule Of Revenue By Revenue Source (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenue Recognition [Line Items]
Net sales	$ 4,131	$ 3,804	$ 7,912	$ 7,290
Performance Coatings
Revenue Recognition [Line Items]
Net sales	2,498	2,299	4,658	4,316
Industrial Coatings
Revenue Recognition [Line Items]
Net sales	1,633	1,505	3,254	2,974
United States and Canada
Revenue Recognition [Line Items]
Revenue from contract with customer, excluding assessed tax	1,792	1,681	3,377	3,224
United States and Canada \| Performance Coatings
Revenue Recognition [Line Items]
Revenue from contract with customer, excluding assessed tax	1,173	1,093	2,147	2,055
United States and Canada \| Industrial Coatings
Revenue Recognition [Line Items]
Revenue from contract with customer, excluding assessed tax	619	588	1,230	1,169
EMEA
Revenue Recognition [Line Items]
Revenue from contract with customer, excluding assessed tax	1,279	1,152	2,459	2,175
EMEA \| Performance Coatings
Revenue Recognition [Line Items]
Revenue from contract with customer, excluding assessed tax	811	740	1,518	1,369
EMEA \| Industrial Coatings
Revenue Recognition [Line Items]
Revenue from contract with customer, excluding assessed tax	468	412	941	806
Asia-Pacific
Revenue Recognition [Line Items]
Revenue from contract with customer, excluding assessed tax	680	608	1,310	1,191
Asia-Pacific \| Performance Coatings
Revenue Recognition [Line Items]
Revenue from contract with customer, excluding assessed tax	277	238	519	458
Asia-Pacific \| Industrial Coatings
Revenue Recognition [Line Items]
Revenue from contract with customer, excluding assessed tax	403	370	791	733
Latin America
Revenue Recognition [Line Items]
Revenue from contract with customer, excluding assessed tax	380	363	766	700
Latin America \| Performance Coatings
Revenue Recognition [Line Items]
Revenue from contract with customer, excluding assessed tax	237	228	474	434
Latin America \| Industrial Coatings
Revenue Recognition [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 143	$ 135	$ 292	$ 266
Revenue from Contract with Customer \| Service
Revenue Recognition [Line Items]
Service revenue, percentage of total revenue			5.00%