Condensed Consolidated Statement of Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Net sales	$ 3,789	$ 3,725	$ 11,254	$ 11,214
Cost of sales, exclusive of depreciation and amortization	2,081	2,049	6,095	6,209
Selling, general and administrative	899	875	2,746	2,715
Depreciation	88	87	258	253
Amortization	31	33	91	99
Research and development, net	117	117	350	354
Interest expense	34	31	96	94
Interest income	(6)	(10)	(20)	(31)
Pension settlement charges	968	0	968	0
Business restructuring	0	0	0	140
Asbestos settlement, net	0	3	5	9
Other charges	13	21	66	71
Other income	(23)	(35)	(88)	(92)
(Loss) income from continuing operations before income taxes	(413)	554	687	1,393
Income tax (benefit) expense	(217)	133	182	333
(Loss) income from continuing operations	(196)	421	505	1,060
Income from discontinued operations, net of tax	(17)	(18)	(46)	(49)
Net (loss) income attributable to the controlling and noncontrolling interests	(179)	439	551	1,109
Less: Net income attributable to noncontrolling interests	(5)	(6)	(18)	(17)
Net (loss) income (attributable to PPG)	(184)	433	533	1,092
(Loss) income from continuing operations, net of tax	(201)	415	487	1,043
Income from discontinued operations, net of tax	$ 17	$ 18	$ 46	$ 49
Income from continuing operations, net of tax (in usd per share)	$ (0.75)	$ 1.53	$ 1.83	$ 3.83
Income from discontinued operations, net of tax (in usd per share)	0.06	0.07	0.17	0.18
Net income (attributable to PPG) (in usd per share)	(0.69)	1.60	2.00	4.01
Income from continuing operations, net of tax (in usd per share)	(0.75)	1.52	1.81	3.80
Income from discontinued operations, net of tax (in usd per share)	0.06	0.07	0.17	0.18
Net income (attributable to PPG) (in usd per share)	(0.69)	1.59	1.98	3.98
Dividends per common share (in usd per share)	$ 0.40	$ 0.36	$ 1.16	$ 1.05