Business Restructuring (Schedule of Restructuring Activity) (Details) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($) employee	Jun. 30, 2015 USD ($) employee	Dec. 31, 2015 USD ($) employee
Restructuring Cost and Reserve [Line Items]
Cash Charges Related to Restructuring		85.00%		85.00%
Severance Costs				$ 121	$ 87
Asset Impairment Charges				19	0
Business restructuring	$ 0	$ 140	$ 0	$ 140	$ 87
Employees Impacted | employee			350	1,853	806
Restructuring Reserves, Deductions			$ 0		$ (19)
Number Of Employees Included In Plan Who Ceased Employment In Period | employee			(456)		(1,047)
Reclassifications [Text Block]			-1
Restructuring Reserve, Translation Adjustment			$ 0		$ 0
Restructuring Reserve	0		0
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserves, Deductions			(31)		(32)
Restructuring Reserve, Translation Adjustment			(1)		(2)
Restructuring Reserve	55		55
Restructuring Reserve, Total [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserves, Deductions			(31)		(51)
Restructuring Reserve, Translation Adjustment			(1)		$ (2)
Restructuring Reserve	$ 55		$ 55
Performance Coatings Segment [Member]
Restructuring Cost and Reserve [Line Items]
Severance Costs				$ 71
Asset Impairment Charges				6
Business restructuring				$ 77
Employees Impacted | employee				1,259
Industrial Coatings Segment [Member]
Restructuring Cost and Reserve [Line Items]
Severance Costs				$ 42
Asset Impairment Charges				13
Business restructuring				$ 55
Employees Impacted | employee				534
Glass Segment [Member]
Restructuring Cost and Reserve [Line Items]
Severance Costs				$ 4
Asset Impairment Charges				0
Business restructuring				$ 4
Employees Impacted | employee				33
Corporate, Non-Segment [Member]
Restructuring Cost and Reserve [Line Items]
Severance Costs				$ 4
Asset Impairment Charges				0
Business restructuring				$ 4
Employees Impacted | employee				27