Pension Plans, Postretirement and Other Employee Benefits (Tables)

3 Months Ended

Mar. 31, 2017

Compensation and Retirement Disclosure [Abstract]

Components of Net Periodic Benefit Cost

Net periodic pension costs and postretirement benefit costs consist of the following components:

	Three Months Ended March 31,
	Pension												Postretirement
	2017						2016						2017		2016
	US			Foreign			US			Foreign			US		US
	(Millions)
Service cost — benefits earned during the period	$	—		$	2		$	—		$	2		$	—	$	—
Interest cost	3			3			4			4			1		1
Expected return on plan assets	(4		)	(4		)	(6		)	(5		)	—		—
Net amortization:
Actuarial loss	1			2			2			2			1		1
Net pension and postretirement costs	$	—		$	3		$	—		$	3		$	2	$	2

Amounts Recognized for Pension and Postretirement Benefits in Other Comprehensive Income

Amounts recognized for pension and postretirement benefits in other comprehensive income for the three months ended March 31, 2017 and 2016 include the following components:

	Three Months Ended March 31,
	2017							2016
	Before-Tax Amount		Tax Benefit			Net-of-Tax Amount		Before- Tax Amount		Tax Benefit			Net-of-Tax Amount
	(Millions)
Defined benefit pension and postretirement plans:
Amortization of actuarial loss included in net periodic pension and postretirement cost	$	4	$	(1	)	$	3	$	5	$	(1	)	$	4
Settlement Charge	6		(2		)	4		—		—			—
Other comprehensive income – pension benefits	$	10	$	(3	)	$	7	$	5	$	(1	)	$	4