Pension and Other Postretirement Benefits (Tables)

6 Months Ended

Jun. 30, 2015

Compensation and Retirement Disclosure [Abstract]

Pension and other postretirement benefit costs

Pension and other postretirement benefit costs related to both continuing and discontinued operations for the three and six months ended June 30, 2015 and 2014, were as follows:



	Three Months Ended												Six Months Ended
	June 30,												June 30,
In millions	Pension						Other Postretirement Benefits						Pension						Other Postretirement Benefits
	2015			2014			2015			2014			2015			2014			2015			2014
Components of net periodic benefit cost:
Service cost	$	18		$	20		$	2		$	2		$	36		$	40		$	5		$	5
Interest cost	23			26			6			6			46			52			12			12
Expected return on plan assets	(38		)	(39		)	(6		)	(6		)	(76		)	(79		)	(12		)	(12		)
Amortization of actuarial (gain) loss	15			12			—			(1		)	30			24			—			(3		)
Settlement/curtailment (gain) loss	—			2			—			(9		)	—			2			—			(9		)
Net periodic benefit (income) cost	$	18		$	21		$	2		$	(8	)	$	36		$	39		$	5		$	(7	)
Amounts were included in the statement of income as follows:
Continuing operations	$	18		$	18		$	2		$	1		$	36		$	34		$	5		$	2
Discontinued operations	—			3			—			(9		)	—			5			—			(9		)
Net periodic benefit (income) cost	$	18		$	21		$	2		$	(8	)	$	36		$	39		$	5		$	(7	)