Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2018

Pension Plan [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

Components of net periodic benefit cost (income) of the pension plans for the three months endedMarch 31 were as follows:

In millions	U.S. Pension Benefits						International Pension Benefits						Total Pension Benefits
	2018			2017			2018			2017			2018			2017
Net service cost	$	—		$	—		$	2		$	2		$	2		$	2
Interest cost	15			18			5			5			20			23
Expected return on plan assets	(11		)	(14		)	(8		)	(9		)	(19		)	(23		)
Net periodic benefit cost (income)	$	4		$	4		$	(1	)	$	(2	)	$	3		$	2

Other Postretirement Benefits Plan [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

The benefit from the postretirement plan for the three months endedMarch 31 was:

In millions	2018			2017
Amortization of:
Prior service benefit	$	(1	)	$	(1	)
Net postretirement benefit	$	(1	)	$	(1	)

Postemployment Retirement Benefits [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

The net cost of the postemployment plan for the three months endedMarch 31 was:

In millions	2018			2017
Net service cost	$	10		$	14
Interest cost	1			1
Amortization of:
Prior service benefit	(1		)	(1		)
Actuarial gain	—			(1		)
Net benefit cost	$	10		$	13