Shareholders' Equity (Tables)

9 Months Ended

Sep. 30, 2014

Equity [Abstract]

Change in Total Shareholders' Equity

The following tables present the change in total shareholders’ equity for the nine months ended September 30, 2014 and 2013, respectively:

($ in millions)	Total PPG Shareholders’ Equity			Non- controlling Interests			Total
Balance, January 1, 2014	$	4,932		$	266		$	5,198
Net income	2,019			51			2,070
Other comprehensive income, net of tax	(187		)	(2		)	(189		)
Cash dividends	(269		)	—			(269		)
Issuance of treasury stock	64			—			64
Stock repurchase program	(450		)	—			(450		)
Stock-based compensation activity	40			—			40
Reduction in non-controlling interests (Notes 3 and 4)	(28		)	(183		)	(211		)
Distribution to noncontrolling interests	—			(48		)	(48		)
Balance, September 30, 2014	$	6,121		$	84		$	6,205

($ in millions)	Total PPG Shareholders’ Equity			Non- controlling Interests			Total
Balance, January 1, 2013	$	4,063		$	259		$	4,322
Net income	2,977			94			3,071
Other comprehensive income, net of tax	197			(8		)	189
Cash dividends	(259		)	—			(259		)
Issuance of treasury stock	74			—			74
Stock repurchase program	(320		)	—			(320		)
Stock-based compensation activity	40			—			40
Increase in treasury stock (Note 4)	(1,561		)	—			(1,561		)
Reduction in noncontrolling interests (Note 4)	—			(17		)	(17		)
Distribution to noncontrolling interests	—			(58		)	(58		)
Balance, September 30, 2013	$	5,211		$	270		$	5,481