Acquisitions (Summary of Purchase Price Allocations) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Apr. 02, 2013 AkzoNobel NA Architectural coatings acquisition [Member]
Business Acquisition [Line Items]
Current assets			$ 558
Property, plant, and equipment			184
Trademarks with indefinite lives			174
Identifiable intangible assets with finite lives			196
Goodwill	2,898	3,008	225
Other non-current assets			49
Total assets			1,386
Current liabilities			(326)
Accrued pensions			(29)
Other post-retirement benefits			(40)
Other long-term liabilities			(44)
Total liabilities			(439)
Total purchase price, net of cash acquired			$ 947