Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2021

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 ended March 31 were as follows:

In millions	U.S. Pension Benefits				International Pension Benefits				Total Pension Benefits
	2021		2020		2021		2020		2021		2020
Net service cost	$	—	$	—	$	1	$	1	$	1	$	1
Interest cost	9		13		2		4		11		17
Expected return on plan assets	(8)		(9)		(6)		(7)		(14)		(16)
Amortization of prior service cost	—		—		—		—		—		—
Net periodic benefit cost (income)	$	1	$	4	$	(3)	$	(2)	$	(2)	$	2

Postretirement Plan

Defined Benefit Plan Disclosure [Line Items]

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

Components of the benefit from the postretirement plan for the following periods were:

In millions	Three months ended March 31
	2021		2020
Interest cost	$	—	$	—
Amortization of:
Prior service benefit	—		(1)
Actuarial loss	—		—
Net postretirement benefit	$	—	$	(1)

Postemployment Retirement Benefits

Defined Benefit Plan Disclosure [Line Items]

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

Components of the net cost of the postemployment plan for the following periods were:

	Three months ended March 31
In millions	2021		2020
Net service cost	$	6	$	6
Interest cost	1		—
Amortization of:
Prior service benefit	(1)		—
Actuarial gain	—		(1)
Net benefit cost	$	6	$	5