Pension Plans, Postretirement and Other Employee Benefits (Tables)

9 Months Ended

Sep. 30, 2017

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 September 30,
	Pension												Postretirement
	2017						2016						2017			2016
	US			Foreign			US			Foreign			US			US
	(Millions)
Service cost — benefits earned during the period	$	1		$	3		$	1		$	2		$	—		$	—
Interest cost	2			4			4			4			1			1
Expected return on plan assets	(4		)	(4		)	(6		)	(5		)	—			—
Net amortization:
Actuarial loss	1			1			2			1			2			2
Prior service cost (credit)	—			1			—			1			—			(1		)
Net pension and postretirement costs	$	—		$	5		$	1		$	3		$	3		$	2
	Nine Months Ended September 30,
	Pension												Postretirement
	2017						2016						2017			2016
	US			Foreign			US			Foreign			US			US
	(Millions)
Service cost — benefits earned during the period	$	1		$	7		$	1		$	6		$	—		$	—
Interest cost	7			10			13			11			4			4
Expected return on plan assets	(11		)	(19		)	(18		)	(15		)	—			—
Settlement loss	6			—			—			—			—			—
Net amortization:
Actuarial loss	4			6			6			5			5			4
Prior service cost (credit)	—			1			—			1			(1		)	(1		)
Net pension and postretirement costs	$	7		$	5		$	2		$	8		$	8		$	7

Amounts Recognized for Pension and Postretirement Benefits in Other Comprehensive Income

mounts recognized for pension and postretirement benefits in other comprehensive income for the three and nine months ended September 30, 2017 and 2016 include the following components:

	Three Months Ended September 30,
	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 prior service cost included in net periodic pension and postretirement cost	$	1	$	—		$	1	$	—	$	—		$	—
Amortization of actuarial loss included in net periodic pension and postretirement cost	4		(2		)	2		5		(1		)	4
Other comprehensive income – pension benefits	$	5	$	(2	)	$	3	$	5	$	(1	)	$	4

	Nine Months Ended September 30,
	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	$	15	$	(5	)	$	10	$	15	$	(4	)	$	11
Settlement charge	6		(2		)	4		—		—			—
Other comprehensive income – pension benefits	$	21	$	(7	)	$	14	$	15	$	(4	)	$	11