Pension Plans, Postretirement and Other Employee Benefits (Tables)

3 Months Ended

Mar. 31, 2018

Retirement Benefits [Abstract]

Components of Net Periodic Benefit Cost

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

	Three Months Ended March 31, 2018
	Pension												Postretirement
	2018						2017						2018		2017
	US			Foreign			US			Foreign			US		US
	(Millions)
Service cost — benefits earned during the period	$	—		$	3		$	—		$	2		$	—	$	—
Interest cost (a)	3			3			3			3			2		1
Expected return on plan assets (a)	(4		)	(5		)	(4		)	(4		)	—		—
Net amortization:
Actuarial loss (a)	1			2			1			2			1		1
Net pension and postretirement costs	$	—		$	3		$	—		$	3		$	3	$	2

(a) Recorded in other expense.

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, 2018 and 2017 include the following components:

	Three Months Ended March 31, 2018
	2018							2017
	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		4		(1		)	3
Settlement charge (a)	—		—			—		6		(2		)	4
Other comprehensive income – pension benefits	$	4	$	(1	)	$	3	$	10	$	(3	)	$	7

(a) Recorded in other expense.