Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2016

Pension Plan, Defined Benefit [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule of Net Benefit Costs

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
	2016			2015			2016			2015			2016			2015
Net service cost	$	—		$	—		$	2		$	3		$	2		$	3
Interest cost	23			22			7			7			30			29
Expected return on plan assets	(18		)	(18		)	(10		)	(11		)	(28		)	(29		)
Amortization of prior service cost	—			—			1			1			1			1
Curtailment	—			—			—			1			—			1
Net periodic benefit cost (income)	$	5		$	4		$	—		$	1		$	5		$	5

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
	2016			2015			2016			2015			2016			2015
Net service cost	$	—		$	—		$	6		$	9		$	6		$	9
Interest cost	68			66			21			34			89			100
Expected return on plan assets	(54		)	(54		)	(28		)	(50		)	(82		)	(104		)
Amortization of prior service cost	—			$	—		1			1			1			1
Curtailment	—			—			—			(2		)	—			(2		)
Settlement	—			—			—			427			—			427
Net periodic benefit cost (income)	$	14		$	12		$	—		$	419		$	14		$	431

Other Postretirement Benefit Plan, Defined Benefit [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule of Net Benefit Costs

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	2016			2015			2016			2015
Interest cost	$	—		$	—		$	—		$	—
Amortization of:
Prior service benefit	(4		)	(5		)	(11		)	(14		)
Actuarial loss	1			1			2			2
Net postretirement benefit	$	(3	)	$	(4	)	$	(9	)	$	(12	)

Postemployment Benefit Plans Defined Benefit [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule of Net Benefit Costs

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	2016			2015			2016			2015
Net service cost	$	4		$	4		$	12		$	12
Interest cost	—			—			1			2
Amortization of:
Prior service benefit	(1		)	(1		)	(4		)	(3		)
Actuarial gain	(1		)	—			(3		)	—
Net benefit cost	$	2		$	3		$	6		$	11
Restructuring severance cost	2			—			4			(5		)
Total postemployment cost	$	4		$	3		$	10		$	6