Penson and Other Postretirement Benefit Plans (Tables)

3 Months Ended

Mar. 31, 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				Three Months Ended
	March 31,				March 31,
(In millions)	2015		2014		2015		2014
Service cost	$	1	$	-	$	-	$	-
Interest cost		48		51		3		3
Expected long-term return on plan assets		(66)		(66)		-		-
Amortization of:
Net loss from past experience		17		14		-		-
Prior service cost		-		-		(1)		(1)
Settlement loss		-		6		-		-
Net cost	$	-	$	5	$	2	$	2