Earnings Per Common Share (Tables)

12 Months Ended

Dec. 31, 2013

Earnings Per Share [Abstract]

Earnings Per Common Share Calculations

Earnings per common share calculated for the years ended December 31, 2013, 2012 and 2011 are as follows:

(Millions, except per share amounts)		2013		2012		2011
Earnings per common share (attributable to PPG)
	Income from continuing operations, net of tax	$	1,034	$	726	$	858
	Income from discontinued operations, net of tax	$	2,197	$	215	$	237
	Net income (attributable to PPG)	$	3,231	$	941	$	1,095
	Weighted average common shares outstanding	143.4		153.4		157.3
	Earnings per common share (attributable to PPG):
	Income from continuing operations, net of tax	$	7.21	$	4.73	$	5.45
	Income from discontinued operations, net of tax	$	15.32	$	1.40	$	1.51
	Net income (attributable to PPG)	$	22.53	$	6.13	$	6.96
Earnings per common share - assuming dilution (attributable to PPG)
	Income from continuing operations, net of tax	$	1,034	$	726	$	858
	Income from discontinued operations, net of tax	$	2,197	$	215	$	237
	Net income (attributable to PPG)	$	3,231	$	941	$	1,095
	Weighted average common shares outstanding	143.4		153.4		157.3
	Effect of dilutive securities:
	Stock options	0.8		0.8		1.1
	Other stock compensation plans	0.9		0.9		0.9
	Potentially dilutive common shares	1.7		1.7		2.0
	Adjusted weighted average common shares outstanding	145.1		155.1		159.3
Earnings per common share - assuming dilution (attributable to PPG)
	Income from continuing operations, net of tax	$	7.13	$	4.69	$	5.40
	Income from discontinued operations, net of tax	$	15.14	$	1.37	$	1.47
	Net income (attributable to PPG)	$	22.27	$	6.06	$	6.87