Segment Information (Reconciliation of Other Items) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013		Dec. 31, 2012
Segment Reporting Information [Line Items]
Depreciation and amortization	$ 1,617	$ 1,603	[1]	$ 1,713	[1]
Equity in earnings of affiliates	(10)	41	[1]	102	[1]
Affiliate net assets	886	1,011	[1]	1,163	[1]
Purchases of property, plant and equipment	2,020	1,882	[1]	1,793	[1]
Segment Totals [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	1,455	1,429		1,442
Equity in earnings of affiliates	(10)	37		99
Affiliate net assets	1,149	1,269		1,468
Purchases of property, plant and equipment	1,625	1,602		1,431
Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	162	174	[1]	271	[1]
Equity in earnings of affiliates	0	4	[1]	3	[1]
Affiliate net assets	(263)	(258)	[1]	(305)	[1]
Purchases of property, plant and equipment	$ 395	$ 280	[1]	$ 362	[1]

[1] See Note 1 for additional information on the presentation of the Performance Coatings business which met the criteria for discontinued operations during 2012.