Pensions and Other Postretirement Benefits (Tables) (Pension Plans, Defined Benefit [Member])

3 Months Ended

Mar. 31, 2014

Pension Plans, Defined Benefit [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Net Periodic Benefit Cost

net periodic benefit costs for the three months ended March 31, 2014 and 2013 were as follows:

	Pensions						Other Postretirement Benefits
	Three Months Ended March 31						Three Months Ended March 31
	2014			2013			2014			2013
($ in millions)
Service cost	$	13		$	15		$	4		$	5
Interest cost	59			52			12			12
Expected return on plan assets	(74		)	(64		)	—			—
Amortization of prior service credit	—			—			(2		)	(2		)
Amortization of actuarial losses	20			28			4			7
Settlement losses	—			18			—			—
Net periodic pension cost	$	18		$	49		$	18		$	22

PPG