Penson and Other Postretirement Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2014

Pension And Other Postretirement Benefit Plans [Abstract]

Components of net pension and net other postretirement benefit costs

	Pension Benefits								Other Postretirement Benefits
	Three Months Ended				Six Months Ended				Three Months Ended				Six Months Ended
	June 30,				June 30,				June 30,				June 30,
(In millions)	2014		2013		2014		2013		2014		2013		2014		2013
Service cost	$	1	$	-	$	1	$	1	$		$	-	$	-	$	-
Interest cost		52		46		103		91		3		3		6		6
Expected long-term return on plan assets		(66)		(68)		(132)		(136)				-		-		-
Amortization of:
Net loss from past experience		15		18		29		37				-		-		-
Prior service cost				-		-		-		-		(1)		(1)		(3)
Curtailment gain				-		-		-				-		-		(19)
Settlement loss				-		6		-				-		-		-
Net cost	$	2	$	(4)	$	7	$	(7)	$	3	$	2	$	5	$	(16)