Pension and Other Postretirement Benefits

3 Months Ended

Mar. 31, 2018

Retirement Benefits [Abstract]

Pension and Other Postretirement Benefits

Pension and Other Postretirement Benefits

Pension and other postretirement benefit costs for the three months ended March 31, 2018 and 2017 were as follows:

	Three Months Ended
	March 31,
	Pension						Other Postretirement Benefits
In millions	2018			2017			2018			2017
Components of net periodic benefit cost:
Service cost	$	15		$	16		$	2		$	2
Interest cost	18			18			5			5
Expected return on plan assets	(32		)	(33		)	(6		)	(6		)
Amortization of actuarial loss (gain)	11			14			(1		)	—
Total net periodic benefit cost	$	12		$	15		$	—		$	1

The service cost component of net periodic benefit cost is presented within Cost of revenue and Selling, administrative, and research and development expenses in the statement of income while the other components of net periodic benefit cost are presented within Other income (expense).

The Company expects to contribute approximately $26 million to its pension plans and $5 million to its other postretirement benefit plans in 2018. As of March 31, 2018, contributions of $12 million to pension plans and $2 million to other postretirement benefit plans have been made.