Employee Retirement Benefits (Tables)

12 Months Ended

Dec. 31, 2012

Benefit Obligation Activity Using An Actuarial Measurement Date For Qualified Plan And SERP

(In millions)		At December 31,
		2012		2011
Change in projected benefit obligation:
Benefit obligation at January 1	$	281	$	245
Service cost		12		11
Interest cost		14		14
Actuarial loss		28		30
Benefits paid		(15)		(19)
Projected benefit obligation at December 31	$	320	$	281
Accumulated benefit obligation	$	282	$	236
Change in plan assets:
Fair value of plan assets at January 1	$	216	$	183
Actual return on plan assets		23		17
Employer contributions		14		35
Benefits paid		(15)		(19)
Fair value of plan assets at December 31	$	238	$	216
Unfunded status:
Unfunded status at December 31	$	(82)	$	(65)

Reconciliation Of The Funded Status For Qualified Plan And SERP

(In millions)		At December 31,
		2012		2011
Pension amounts recognized as other liabilities in the consolidated balance sheets:	$	(82)	$	(65)
Amounts recognized in accumulated other comprehensive income not yet recognized:
Net actuarial loss	$	100	$	86
Prior service cost		1		2
Total	$	101	$	88

Components Of Net Periodic Benefit Cost As Well As Other Changes In Plan Assets And Benefit Obligations Recognized In Other Comprehensive Income For Qualified Plan And SERP

(In millions)		Years ended December 31,
		2012		2011		2010
Service cost	$	12	$	11	$	10
Interest cost		14		14		14
Expected return on plan assets		(16)		(16)		(14)
Amortization of actuarial loss and prior service cost		8		4		2
Net periodic benefit cost	$	18	$	13	$	12

(In millions)		Years ended December 31,
		2012		2011		2010
Current year actuarial loss	$	20	$	30	$	0
Recognition of actuarial loss		(6)		(4)		(2)
Recognition of prior service cost		(1)		(1)		(1)
Total loss (gain) recognized in other comprehensive income	$	13	$	25	$	(3)

Fair Value Hierarchy Of Assets Measured At Fair Value On A Recurring Basis

(In millions)	Asset fair value measurements at December 31, 2012 using:
At December 31, 2012		Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)		Total
Fixed maturities, available for sale:
States, municipalities and political subdivisions	$	-	$	36	$	-	$	36
Corporate securities		-		24		-		24
Total fixed maturities, available for sale		-		60		-		60
Common equities, available for sale		175		-		-		175
Total	$	175	$	60	$	-	$	235
(In millions)	Asset fair value measurements at December 31, 2011 using:
At December 31, 2011		Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)		Total
Fixed maturities, available for sale:
States, municipalities and political subdivisions	$	-	$	34	$	-	$	34
Corporate securities		-		25		-		25
Total fixed maturities, available for sale		-		59		-		59
Common equities, available for sale		149		-		-		149
Preferred equities, available for sale		4		-		-		4
Total	$	153	$	59	$	-	$	212

Expected Future Benefit Payments For Qualified Plan And SERP

(In millions)	Years ended December 31,
	2013		2014		2015		2016		2017		2018 - 2022
Expected future benefit payments	$	30	$	25	$	27	$	26	$	26	$	134

Benefit Obligations [Member]

Weighted-Average Assumptions Used

	Qualified Pension Plan				SERP
	2012		2011		2012		2011
Discount rate	4.20	%	5.10	%	3.95	%	4.75	%
Rate of compensation increase	2.75-3.25		3.50-5.50		2.75-3.25		3.50-5.50

Net Periodic Benefit Cost [Member]

Weighted-Average Assumptions Used

	Qualified Pension Plan						SERP
	2012		2011		2010		2012		2011		2010
Discount rate	5.10	%	5.85	%	6.10	%	4.75	%	5.55	%	6.10	%
Expected return on plan assets	7.50		7.50		8.00		n/a		n/a		n/a
Rate of compensation increase	3.50-5.50		3.50-5.50		4.00-6.00		3.50-5.50		3.50-5.50		4.00-6.00