Pension and Other Postretirement Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2015

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Components of net pension and other postretirement benefit costs

	Pension Benefits								Other Postretirement Benefits
	Three Months Ended				Nine Months Ended				Three Months Ended				Nine Months Ended
	September 30,				September 30,				September 30,				September 30,
(In millions)	2015		2014		2015		2014		2015		2014		2015		2014
Service cost	$	1	$	-	$	2	$	1	$	-	$	-	$	-	$	-
Interest cost		49		52		146		155		3		3		8		9
Expected long-term return on plan assets		(66)		(65)		(199)		(197)		-		(1)		-		(1)
Amortization of:
Net loss from past experience		17		14		52		43		-		-		-		-
Prior service cost		-		-		-		-		(1)		(1)		(2)		(2)
Settlement loss		-		-		-		6		-		-		-		-
Net cost	$	1	$	1	$	1	$	8	$	2	$	1	$	6	$	6