Shareholders' Equity (Tables)

3 Months Ended

Mar. 31, 2016

Equity [Abstract]

Change in Total Shareholders' Equity

hanges to shareholders’ equity for the three months ended March 31, 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	347			7			354
Other comprehensive income, net of tax	59			(3		)	56
Cash dividends	(96		)	—			(96		)
Issuance of treasury stock	34			—			34
Stock repurchase program	(150		)	—			(150		)
Stock-based compensation activity	(16		)	—			(16		)
Other	—			(3		)	(3		)
Balance, March 31, 2016	$	5,161		$	87		$	5,248

($ in millions)	Total PPG Shareholders’ Equity			Non- controlling Interests			Total
Balance, January 1, 2015	$	5,180		$	85		$	5,265
Net income	322			5			327
Other comprehensive income, net of tax	(193		)	(5		)	(198		)
Cash dividends	(91		)	—			(91		)
Issuance of treasury stock	58			—			58
Stock repurchase program	(200		)	—			(200		)
Stock-based compensation activity	2			—			2
Other	—			(5		)	(5		)
Balance, March 31, 2015	$	5,078		$	80		$	5,158