Shareholders' Equity (Tables)

3 Months Ended

Mar. 31, 2014

Equity [Abstract]

Change in Total Shareholders' Equity

The following tables present the change in total shareholders’ equity for the three months ended March 31, 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	1,262			39			1,301
Other comprehensive income, net of tax	30			1			31
Cash dividends	(85		)	—			(85		)
Issuance of treasury stock	46			—			46
Stock repurchase program	(200		)	—			(200		)
Stock-based compensation activity	7			—			7
Reduction in non-controlling interests (Note 4)	—			(169		)	(169		)
Distribution to noncontrolling interests	—			(40		)	(40		)
Balance, March 31, 2014	$	5,992		$	97		$	6,089

($ in millions)	Total PPG Shareholders’ Equity			Non- controlling Interests			Total
Balance, January 1, 2013	$	4,063		$	259		$	4,322
Net income	2,410			35			2,445
Other comprehensive income, net of tax	58			(3		)	55
Cash dividends	(84		)	—			(84		)
Issuance of treasury stock	44			—			44
Stock repurchase program	(140		)	—			(140		)
Stock-based compensation activity	(2		)	—			(2		)
Increase in treasury stock (Note 4)	(1,562		)	—			(1,562		)
Reduction in noncontrolling interests (Note 4)	—			(19		)	(19		)
Distribution to noncontrolling interests	—			(18		)	(18		)
Balance, March 31, 2013	$	4,787		$	254		$	5,041