Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2017

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 endedSeptember 30 were as follows:

In millions	U.S. Pension Benefits						International Pension Benefits						Total Pension Benefits
	2017			2016			2017			2016			2017			2016
Net service cost	$	—		$	—		$	1		$	2		$	1		$	2
Interest cost	18			23			4			7			22			30
Expected return on plan assets	(14		)	(18		)	(9		)	(10		)	(23		)	(28		)
Amortization of prior service cost	—			—			1			1			1			1
Net periodic benefit cost (income)	$	4		$	5		$	(3	)	$	—		$	1		$	5

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 and nine months endedSeptember 30 was:

	Three months ended September 30						Nine months ended September 30
In millions	2017			2016			2017			2016
Interest cost	$	1		$	—		$	1		$	—
Amortization of:
Prior service benefit	$	(1	)	$	(4	)	(4		)	(11		)
Actuarial loss	—			1			1			2
Net postretirement benefit	$	—		$	(3	)	$	(2	)	$	(9	)

Postemployment Retirement Benefits [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

The cost of the postemployment plan for the three and nine months endedSeptember 30 was:

	Three months ended September 30						Nine months ended September 30
In millions	2017			2016			2017			2016
Net service cost	$	7		$	4		$	26		$	12
Interest cost	1			—			2			1
Amortization of:
Prior service benefit	(1		)	(1		)	(3		)	(4		)
Actuarial gain	(1		)	(1		)	(3		)	(3		)
Net benefit cost	$	6		$	2		$	22		$	6
Restructuring severance cost	—			2			—			4
Total postemployment cost	$	6		$	4		$	22		$	10