Business Restructuring (Schedule of Restructuring Activity) (Details) $ in Millions	3 Months Ended			12 Months Ended
	Mar. 31, 2017 USD ($) employee position	Dec. 31, 2016 USD ($) employee	Mar. 31, 2016 USD ($)	Dec. 31, 2016 USD ($) employee
Restructuring Cost and Reserve [Line Items]
Severance Costs		$ 138		$ 132
Asset Impairment Charges		59		0
Business restructuring		$ 197		$ 132
Employees Impacted | employee	1,707	2,111		2,071
Restructuring Reserves, Deductions	$ 0	$ (59)
Number Of Employees Included In Plan Who Ceased Employment In Period | employee	(364)	(40)
Restructuring Reserve, Translation Adjustment	$ 0
Restructuring Reserve	0
Payments for Restructuring	10		$ 18
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserves, Deductions	(7)	$ (6)
Restructuring Reserve, Translation Adjustment	2
Restructuring Reserve	127
Restructuring Reserve, Total [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserves, Deductions	(7)	(65)
Restructuring Reserve, Translation Adjustment	2
Restructuring Reserve	127
Performance Coatings Segment [Member]
Restructuring Cost and Reserve [Line Items]
Severance Costs		77
Asset Impairment Charges		45
Business restructuring		$ 122
Employees Impacted | employee		1,069
Industrial Coatings Segment [Member]
Restructuring Cost and Reserve [Line Items]
Severance Costs		$ 52
Asset Impairment Charges		14
Business restructuring		$ 66
Employees Impacted | employee		804
Glass Segment [Member]
Restructuring Cost and Reserve [Line Items]
Severance Costs		$ 2
Asset Impairment Charges		0
Business restructuring		$ 2
Employees Impacted | employee		153
Corporate, Non-Segment [Member]
Restructuring Cost and Reserve [Line Items]
Severance Costs		$ 7
Asset Impairment Charges		0
Business restructuring		$ 7
Employees Impacted | employee		85
2016 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Payments for Restructuring	$ 15
Restructuring and Related Cost, Expected Number of Positions Eliminated | position	1,700