Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 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 endedSeptember 30 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		$	1		$	2		$	1
Interest cost	16			18			4			4			20			22
Expected return on plan assets	(10		)	(14		)	(9		)	(9		)	(19		)	(23		)
Amortization of prior service cost	—			—			1			1			1			1
Net periodic benefit cost (income)	$	6		$	4		$	(2	)	$	(3	)	$	4		$	1

Components of net periodic benefit cost (income) of the pension plans for the nine months endedSeptember 30 were as follows:

In millions	U.S. Pension Benefits						International Pension Benefits						Total Pension Benefits
	2018			2017			2018			2017			2018			2017
Net service cost	$	—		$	—		$	6		$	5		$	6		$	5
Interest cost	46			54			15			14			61			68
Expected return on plan assets	(32		)	(43		)	(25		)	(26		)	(57		)	(69		)
Amortization of prior service cost	—			—			1			1			1			1
Net periodic benefit cost (income)	$	14		$	11		$	(3	)	$	(6	)	$	11		$	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 following periods were:

	Three months ended September 30						Nine months ended September 30
	2018			2017			2018			2017
Interest cost	$	—		$	1		$	—		$	1
Amortization of:
Prior service benefit	(1		)	(1		)	(4		)	(4		)
Actuarial loss	—			—			1			1
Net postretirement benefit	$	(1	)	$	—		$	(3	)	$	(2	)

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 following periods were:

	Three months ended September 30						Nine months ended September 30
In millions	2018			2017			2018			2017
Net service cost	$	4		$	7		$	23		$	26
Interest cost	—			1			2			2
Amortization of:
Prior service benefit	(2		)	(1		)	(4		)	(3		)
Actuarial gain	—			(1		)	—			(3		)
Net benefit cost	$	2		$	6		$	21		$	22