Shareholders' Equity

9 Months Ended

Sep. 30, 2016

Equity [Abstract]

Shareholders' Equity

Shareholders' Equity

Changes to shareholders’ equity for the nine months ended September 30, 2016 and 2015 were as follows:

($ in millions)	Total PPG Shareholders’ Equity			Non- controlling Interests			Total
Balance, January 1, 2016	$	4,983		$	86		$	5,069
Net income	533			18			551
Other comprehensive income, net of tax	161			(1		)	160
Cash dividends	(309		)	—			(309		)
Issuance of treasury stock	51			—			51
Stock repurchase program	(400		)	—			(400		)
Stock-based compensation activity	12			—			12
Dividends paid on subsidiary common stock to noncontrolling interests	—			(4		)	(4		)
Other	—			(9		)	(9		)
Balance, September 30, 2016	$	5,031		$	90		$	5,121

($ in millions)	Total PPG Shareholders’ Equity			Non- controlling Interests			Total
Balance, January 1, 2015	$	5,180		$	85		$	5,265
Net income	1,092			17			1,109
Other comprehensive income, net of tax	(476		)	(8		)	(484		)
Cash dividends	(287		)	—			(287		)
Issuance of treasury stock	69			—			69
Stock repurchase program	(501		)	—			(501		)
Stock-based compensation activity	34			—			34
Dividends paid on subsidiary common stock to noncontrolling interests	—			(3		)	(3		)
Other	—			(6		)	(6		)
Balance, September 30, 2015	$	5,111		$	85		$	5,196