Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2015

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) for the three months endedSeptember 30 were as follows:

In millions	U.S. Pension Benefits		International Pension Benefits		Total Pension Benefits
	2015	2014	2015	2014	2015	2014
Net service cost	$—	$—	$3	$4	$3	$4
Interest cost	22	32	8	20	30	52
Expected return on plan assets	(18)	(30)	(11)	(27)	(29)	(57)
Actuarial loss	—	1	—	—	—	1
Amortization of prior service cost	—	—	1	1	1	1
Net periodic benefit cost (income)	$4	$3	$1	$(2)	$5	$1

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

In millions	U.S. Pension Benefits		International Pension Benefits		Total Pension Benefits
	2015	2014	2015	2014	2015	2014
Net service cost	$—	$—	$9	$10	$9	$10
Interest cost	66	98	34	61	100	159
Expected return on plan assets	(54)	(89)	(50)	(79)	(104)	(168)
Actuarial loss	—	1	—	—	—	1
Amortization of prior service cost	—	—	1	2	1	2
Curtailment	—	—	(2)	—	(2)	—
Settlement	—	—	427	(2)	427	(2)
Net periodic benefit cost (income)	$12	$10	$419	$(8)	$431	$2

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	2015	2014	2015	2014
Interest cost	$—	$1	$—	$1
Amortization of:
Prior service benefit	(5)	(4)	(14)	(13)
Actuarial loss	1	—	2	1
Net postretirement benefit	$(4)	$(3)	$(12)	$(11)

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	2015	2014	2015	2014
Net service cost	$4	$3	$12	$10
Interest cost	—	2	2	6
Amortization of prior service benefit	(1)	(1)	(3)	(3)
Net benefit cost	$3	$4	$11	$13
Restructuring severance cost	—	61	(5)	61
Total postemployment cost	$3	$65	$6	$74