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Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2013
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Fair Value Hierarchy for Assets Measured at Fair Value on a Recurring Basis
The following tables illustrate the fair value hierarchy for those assets measured at fair value on a recurring basis at September 30, 2013, and December 31, 2012. We do not have any material liabilities carried at fair value. There were no transfers between Level 1 and Level 2.
(In millions)
 
Quoted prices in
active markets for
identical assets
(Level 1)
 
Significant other
observable inputs 
(Level 2)
 
Significant
unobservable
inputs
(Level 3)
 
Total
At September 30, 2013
 
 
 
 
Fixed maturities, available for sale:
 
 

 
 

 
 

 
 

States, municipalities and political subdivisions
 
$

 
$
3,175

 
$

 
$
3,175

Convertibles and bonds with warrants attached
 

 
16

 

 
16

United States government
 
7

 

 

 
7

Government-sponsored enterprises
 

 
190

 

 
190

Foreign government
 

 
10

 

 
10

Commercial mortgage-backed securities
 

 
76

 

 
76

Corporate securities
 

 
5,561

 
3

 
5,564

Subtotal
 
7

 
9,028

 
3

 
9,038

Common equities, available for sale
 
3,873

 

 

 
3,873

Preferred equities, available for sale
 

 
109

 
2

 
111

Taxable fixed maturities separate accounts
 

 
689

 

 
689

Top Hat Savings Plan (included in Other assets)
 
12

 

 

 
12

Total
 
$
3,892

 
$
9,826

 
$
5

 
$
13,723

At December 31, 2012
 
 
 
 
 
 
 
 
Fixed maturities, available for sale:
 
 

 
 

 
 

 
 

States, municipalities and political subdivisions
 
$

 
$
3,288

 
$
1

 
$
3,289

Convertibles and bonds with warrants attached
 

 
31

 

 
31

United States government
 
8

 

 

 
8

Government-sponsored enterprises
 

 
164

 

 
164

Foreign government
 

 
3

 

 
3

Commercial mortgage-backed securities
 

 
28

 

 
28

Corporate securities
 

 
5,567

 
3

 
5,570

Subtotal
 
8

 
9,081

 
4

 
9,093

Common equities, available for sale
 
3,238

 

 

 
3,238

Preferred equities, available for sale
 

 
134

 
1

 
135

Taxable fixed-maturities separate accounts
 

 
689

 

 
689

Top Hat Savings Plan (included in Other assets)
 
9

 

 

 
9

Total
 
$
3,255

 
$
9,904

 
$
5

 
$
13,164

 
Asset Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
The following tables provide the change in Level 3 assets for the three months ended September 30: 
 
 
 
(In millions)
 
Corporate fixed
maturities
 
States,
municipalities
and political
subdivisions
fixed maturities
 
Preferred  equities
 
Total
Beginning balance, June 30, 2013
 
$
3

 
$
1

 
$
2

 
$
6

Total gains or losses (realized/unrealized):
 
 

 
 

 
 

 
 

Included in earnings
 

 

 

 

Included in other comprehensive income
 

 

 

 

Purchases
 

 

 

 

Sales
 

 
(1
)
 

 
(1
)
Transfers into Level 3
 

 

 

 

Transfers out of Level 3
 

 

 

 

Ending balance, September 30, 2013
 
$
3

 
$

 
$
2

 
$
5

 
 
 
 
 
 
 
 
 
Beginning balance, June 30, 2012
 
$
4

 
$
2

 
$
7

 
$
13

Total gains or losses (realized/unrealized):
 
 

 
 

 
 

 
 

Included in earnings
 

 

 

 

Included in other comprehensive income
 

 

 

 

Purchases
 

 

 

 

Sales
 

 
(1
)
 

 
(1
)
Transfers into Level 3
 

 

 

 

Transfers out of Level 3
 

 

 

 

Ending balance, September 30, 2012
 
$
4

 
$
1

 
$
7

 
$
12























 
Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block]
This table summarizes the book value and principal amounts of our long-term debt:
 
(In millions)
 
 
 
 
 
Book value
 
Principal amount
 
 
 
 
 
 
September 30,
 
December 31,
 
September 30,
 
December 31,
Interest rate
 
Year of issue
 
 
 
2013
 
2012
 
2013
 
2012
6.900
%
 
1998
 
Senior debentures, due 2028
 
$
28

 
$
28

 
$
28

 
$
28

6.920
%
 
2005
 
Senior debentures, due 2028
 
391

 
391

 
391

 
391

6.125
%
 
2004
 
Senior notes, due 2034
 
371

 
371

 
374

 
374

 

 
 
 
Total
 
$
790

 
$
790

 
$
793

 
$
793

Fair Value of Life Policy Loans
The following table shows the fair value of our life policy loans, included in other invested assets, subject to fair value disclosure requirements:
 
(In millions)
 
Quoted prices in
active markets for
identical assets
(Level 1)
 
Significant other
observable inputs 
(Level 2)
 
Significant
unobservable
inputs
(Level 3)
 
Total
At September 30, 2013
 
 
 
 
Life policy loans
 
$

 
$

 
$
44

 
$
44

 
 
 
 
 
 
 
 
 
At December 31, 2012
 
 
 
 
 
 
 
 
Life policy loans
 
$

 
$

 
$
50

 
$
50

Debt
 
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Fair Values of Deferred Annuities, Structured Settlements and Other Items
The following table shows fair values of our note payable and long-term debt subject to fair value disclosure requirements:
 
(In millions)
 
Quoted prices in
active markets for
identical assets
(Level 1)
 
Significant other
observable inputs 
(Level 2)
 
Significant
unobservable
inputs
(Level 3)
 
Total
At September 30, 2013
 
 
 
 
Note payable
 
$

 
$
104

 
$

 
$
104

6.900% senior debentures, due 2028
 

 
32

 

 
32

6.920% senior debentures, due 2028
 

 
470

 

 
470

6.125% senior notes, due 2034
 

 
398

 

 
398

Total
 
$

 
$
1,004

 
$

 
$
1,004

 
 
 
 
 
 
 
 
 
At December 31, 2012
 
 
 
 
 
 
 
 
Note payable
 
$

 
$
104

 
$

 
$
104

6.900% senior debentures, due 2028
 

 
31

 

 
31

6.920% senior debentures, due 2028
 

 
479

 

 
479

6.125% senior notes, due 2034
 

 
431

 

 
431

Total
 
$

 
$
1,045

 
$

 
$
1,045

Deferred Annuities, Structured Settlements, And Other
 
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Fair Values of Deferred Annuities, Structured Settlements and Other Items
The following table shows fair values of our deferred annuities and structured settlements, included in life policy and investment contract reserves, subject to fair value disclosure requirements:
 
(In millions)
 
Quoted prices in
active markets for
identical assets
(Level 1)
 
Significant other
observable inputs 
(Level 2)
 
Significant
unobservable
inputs
(Level 3)
 
Total
At September 30, 2013
 
 
 
 
Deferred annuities
 
$

 
$

 
$
881

 
$
881

Structured settlements
 

 
218

 

 
218

Total
 
$

 
$
218

 
$
881

 
$
1,099

 
 
 
 
 
 
 
 
 
At December 31, 2012
 
 
 
 
 
 
 
 
Deferred annuities
 
$

 
$

 
$
898

 
$
898

Structured settlements
 

 
240

 

 
240

Total
 
$

 
$
240

 
$
898

 
$
1,138