Business Restructuring (Activity Related to Restructuring Reserves) (Detail) (USD $) In Millions, unless otherwise specified	1 Months Ended	12 Months Ended
	Mar. 31, 2012	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Restructuring Reserve Disclosures [Line Items]
Severance and Other Costs	$ 160
Pension Curtailment (Gains)/Losses	5
Asset Write-offs	53
Total Reserve	208	0	98	176
2013 Restructuring Plan [Member]
Restructuring Reserve Disclosures [Line Items]
Total Reserve			98
Employees Impacted			1,436
Activity to date		(46)	(32)
Activity to date - Employees Impacted		(768)
Foreign currency impact		(4)	(4)
Total Reserve Balance at end of year		24	70
Employees Impacted at year end		23	791
2013 Restructuring Plan [Member] | Performance Coatings Segment
Restructuring Reserve Disclosures [Line Items]
Total Reserve			79
Employees Impacted			1,253
2013 Restructuring Plan [Member] | Industrial Coatings Segment
Restructuring Reserve Disclosures [Line Items]
Total Reserve		14
Employees Impacted			165
2013 Restructuring Plan [Member] | Glass Segment
Restructuring Reserve Disclosures [Line Items]
Total Reserve			4
Employees Impacted			14
2013 Restructuring Plan [Member] | Corporate
Restructuring Reserve Disclosures [Line Items]
Total Reserve			1
Employees Impacted			4
2013 Restructuring Plan [Member] | Severance and Other Costs
Restructuring Reserve Disclosures [Line Items]
Severance and Other Costs			93
Activity to date		(46)
Foreign currency impact		(4)	(4)
Severance and Other Costs Balance at end of year		24	70
2013 Restructuring Plan [Member] | Severance and Other Costs | Performance Coatings Segment
Restructuring Reserve Disclosures [Line Items]
Severance and Other Costs			74
2013 Restructuring Plan [Member] | Severance and Other Costs | Industrial Coatings Segment
Restructuring Reserve Disclosures [Line Items]
Severance and Other Costs			14
2013 Restructuring Plan [Member] | Severance and Other Costs | Glass Segment
Restructuring Reserve Disclosures [Line Items]
Severance and Other Costs			4
2013 Restructuring Plan [Member] | Severance and Other Costs | Corporate
Restructuring Reserve Disclosures [Line Items]
Severance and Other Costs		1
2013 Restructuring Plan [Member] | Asset Write-offs
Restructuring Reserve Disclosures [Line Items]
Asset Write-offs			5
Activity to date		0
2013 Restructuring Plan [Member] | Asset Write-offs | Performance Coatings Segment
Restructuring Reserve Disclosures [Line Items]
Asset Write-offs			5
2013 Restructuring Plan [Member] | Asset Write-offs | Industrial Coatings Segment
Restructuring Reserve Disclosures [Line Items]
Asset Write-offs		$ 0