|
Benefit Plans (Tables)
|
12 Months Ended |
|
Dec. 31, 2011
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
| Weighted-Average Assumptions Used To Determine Benefit Obligations |
| |
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| |
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Pension Benefits |
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|
Other Postretirement Benefits |
|
| December 31 |
|
2011 |
|
|
2010 |
|
|
2009 |
|
|
2011 |
|
|
2010 |
|
|
2009 |
|
| |
|
|
|
|
|
|
|
Discount rate |
|
|
4.5% |
|
|
|
5.3% |
|
|
|
5.7% |
|
|
|
4.3 |
% |
|
|
5.0 |
% |
|
|
5.6 |
% |
|
Expected long term rate of return on plan assets |
|
|
7.5% to 8.0% |
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|
7.5% to 8.0% |
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|
7.5% to 8.0% |
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|
|
5.3 |
% |
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|
4.6 |
% |
|
|
5.4 |
% |
|
Rate of compensation increase |
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|
4.0% to 5.5% |
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|
4.0% to 5.5% |
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|
3.0% to 5.5% |
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| |
| Weighted-Average Assumptions Used To Determine Net Periodic Benefit Cost |
| |
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| |
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Pension Benefits |
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|
Other Postretirement Benefits |
|
| Year Ended December 31 |
|
2011 |
|
|
2010 |
|
|
2009 |
|
|
2011 |
|
|
2010 |
|
|
2009 |
|
| |
|
|
|
|
|
|
|
Discount rate |
|
|
5.3% |
|
|
|
5.7% |
|
|
|
6.3% |
|
|
|
5.0 |
% |
|
|
5.6 |
% |
|
|
6.3 |
% |
|
Expected long term rate of return on plan assets |
|
|
7.5% to 8.0% |
|
|
|
7.5% to 8.0% |
|
|
|
7.5% to 8.0% |
|
|
|
4.6 |
% |
|
|
5.4 |
% |
|
|
5.4 |
% |
|
Rate of compensation increase |
|
|
4.0% to 5.5% |
|
|
|
4.0% to 5.5% |
|
|
|
3.0% to 5.8% |
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| |
| Assumed Health Care Cost Trend Rates |
| |
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| December 31 |
|
2011 |
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|
2010 |
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|
2009 |
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| |
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|
Health care cost trend rate assumed for next year |
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|
4.0% to 8.5% |
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|
4.0% to 9.0% |
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|
4.0% to 9.0% |
|
|
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate) |
|
|
4.0% to 5.0% |
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|
|
4.0% to 5.0% |
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|
4.0% to 5.0% |
|
|
Year that the rate reaches the ultimate trend rate |
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|
2012-2020 |
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|
2011-2020 |
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|
2010-2019 |
| |
| Components Of Net Periodic Benefit Cost |
| |
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| |
|
Pension Benefits |
|
|
Other Postretirement Benefits |
|
| Year Ended December 31 |
|
2011 |
|
|
2010 |
|
|
2009 |
|
|
2011 |
|
|
2010 |
|
|
2009 |
|
| (In millions) |
|
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|
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|
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|
|
|
|
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| |
|
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Service cost |
|
$ |
24 |
|
|
$ |
26 |
|
|
$ |
26 |
|
|
$ |
2 |
|
|
$ |
2 |
|
|
$ |
2 |
|
|
Interest cost |
|
|
164 |
|
|
|
168 |
|
|
|
171 |
|
|
|
6 |
|
|
|
11 |
|
|
|
13 |
|
|
Expected return on plan assets |
|
|
(188 |
) |
|
|
(176 |
) |
|
|
(156 |
) |
|
|
(3 |
) |
|
|
(4 |
) |
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|
(2 |
) |
|
Amortization of unrecognized net (gain) loss |
|
|
29 |
|
|
|
28 |
|
|
|
30 |
|
|
|
1 |
|
|
|
2 |
|
|
|
(15 |
) |
|
Amortization of unrecognized prior service benefit |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(27 |
) |
|
|
(24 |
) |
|
|
(8 |
) |
|
Regulatory asset (increase) decrease |
|
|
|
|
|
|
|
|
|
|
(1 |
) |
|
|
4 |
|
|
|
5 |
|
|
|
5 |
|
|
Net periodic benefit cost |
|
$ |
29 |
|
|
$ |
46 |
|
|
$ |
70 |
|
|
$ |
(17 |
) |
|
$ |
(8 |
) |
|
$ |
(5 |
) |
| |
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| Reconciliation Of Benefit Obligation |
| |
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| |
|
Pension Benefits |
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|
Other Postretirement Benefits |
|
| |
|
2011 |
|
|
2010 |
|
|
2011 |
|
|
2010 |
|
| (In millions) |
|
|
|
|
|
|
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| |
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Change in benefit obligation: |
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| |
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|
Benefit obligation at January 1 |
|
$ |
3,146 |
|
|
$ |
3,029 |
|
|
$ |
159 |
|
|
$ |
221 |
|
|
Service cost |
|
|
24 |
|
|
|
26 |
|
|
|
2 |
|
|
|
2 |
|
|
Interest cost |
|
|
164 |
|
|
|
168 |
|
|
|
6 |
|
|
|
11 |
|
|
Plan participants' contributions |
|
|
|
|
|
|
|
|
|
|
7 |
|
|
|
7 |
|
|
Amendments |
|
|
|
|
|
|
|
|
|
|
(11 |
) |
|
|
(60 |
) |
|
Actuarial (gain) loss |
|
|
295 |
|
|
|
104 |
|
|
|
(15 |
) |
|
|
(3 |
) |
|
Benefits paid from plan assets |
|
|
(182 |
) |
|
|
(180 |
) |
|
|
(17 |
) |
|
|
(18 |
) |
|
Foreign exchange |
|
|
|
|
|
|
(1 |
) |
|
|
|
|
|
|
(1 |
) |
|
Reduction of benefit obligations due to disposition of subsidiary |
|
|
(54 |
) |
|
|
|
|
|
|
(13 |
) |
|
|
|
|
|
Benefit obligation at December 31 |
|
|
3,393 |
|
|
|
3,146 |
|
|
|
118 |
|
|
|
159 |
|
| |
|
|
|
|
| Change in plan assets: |
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
Fair value of plan assets at January 1 |
|
|
2,468 |
|
|
|
2,303 |
|
|
|
73 |
|
|
|
73 |
|
|
Actual return on plan assets |
|
|
90 |
|
|
|
256 |
|
|
|
11 |
|
|
|
3 |
|
|
Company contributions |
|
|
113 |
|
|
|
90 |
|
|
|
8 |
|
|
|
8 |
|
|
Plan participants' contributions |
|
|
|
|
|
|
|
|
|
|
7 |
|
|
|
7 |
|
|
Benefits paid from plan assets |
|
|
(182 |
) |
|
|
(180 |
) |
|
|
(17 |
) |
|
|
(18 |
) |
|
Foreign exchange |
|
|
|
|
|
|
(1 |
) |
|
|
|
|
|
|
|
|
|
Reduction of plan assets due to disposition of subsidiary |
|
|
(54 |
) |
|
|
|
|
|
|
|
|
|
|
|
|
|
Fair value of plan assets at December 31 |
|
|
2,435 |
|
|
|
2,468 |
|
|
|
82 |
|
|
|
73 |
|
|
Funded status |
|
$ |
(958 |
) |
|
$ |
(678 |
) |
|
$ |
(36 |
) |
|
$ |
(86 |
) |
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
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|
Amounts recognized in the Consolidated Balance Sheets consist of: |
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
Other assets |
|
|
|
|
|
$ |
7 |
|
|
$ |
28 |
|
|
$ |
22 |
|
|
Other liabilities |
|
$ |
(958 |
) |
|
|
(685 |
) |
|
|
(64 |
) |
|
|
(108 |
) |
|
Net amount recognized |
|
$ |
(958 |
) |
|
$ |
(678 |
) |
|
$ |
(36 |
) |
|
$ |
(86 |
) |
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Amounts Recognized In Accumulated Other Comprehensive Income (Loss) Not Yet Recognized In Net Periodic (Benefit) Cost |
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
Pension Benefits |
|
|
Other Postretirement Benefits |
|
| |
|
2011 |
|
|
2010 |
|
|
2011 |
|
|
2010 |
|
| (In millions) |
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
Amounts recognized in Accumulated other comprehensive income (loss), not yet recognized in net periodic (benefit) cost: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
Prior service cost (credit) |
|
$ |
3 |
|
|
$ |
3 |
|
|
$ |
(166 |
) |
|
$ |
(181 |
) |
|
Net actuarial loss |
|
|
1,174 |
|
|
|
819 |
|
|
|
20 |
|
|
|
45 |
|
|
Net amount recognized |
|
$ |
1,177 |
|
|
$ |
822 |
|
|
$ |
(146 |
) |
|
$ |
(136 |
) |
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
Information for plans with projected and accumulated benefit obligations in excess of plan assets: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
Projected benefit obligation |
|
$ |
3,328 |
|
|
$ |
3,034 |
|
|
|
|
|
|
|
|
|
|
Accumulated benefit obligation |
|
|
3,218 |
|
|
|
2,925 |
|
|
$ |
64 |
|
|
$ |
108 |
|
|
Fair value of plan assets |
|
|
2,370 |
|
|
|
2,349 |
|
|
|
|
|
|
|
|
| |
| Estimated Amounts To Be Recognized From Accumulated Other Comprehensive Income Into Net Periodic Benefit Cost |
| |
|
|
|
|
|
|
|
|
| |
|
Pension
Benefits |
|
|
Other
Postretirement
Benefits |
|
| (In millions) |
|
|
|
|
|
|
| |
|
|
|
Amortization of net actuarial loss |
|
$ |
47 |
|
|
|
|
|
|
Amortization of prior service credit |
|
|
|
|
|
|
$ (25) |
|
|
Total estimated amounts to be recognized |
|
$ |
47 |
|
|
|
$ (25) |
|
| |
|
|
|
|
|
|
|
| |
| Estimated Future Minimum Benefit Payments |
| |
|
|
|
|
|
|
|
|
| Expected future benefit payments |
|
Pension
Benefits |
|
|
Other
Postretirement
Benefits |
|
| (In millions) |
|
|
|
|
|
|
| |
|
|
|
2012 |
|
$ |
203 |
|
|
$ |
11 |
|
|
2013 |
|
|
208 |
|
|
|
10 |
|
|
2014 |
|
|
212 |
|
|
|
10 |
|
|
2015 |
|
|
217 |
|
|
|
10 |
|
|
2016 |
|
|
224 |
|
|
|
9 |
|
|
Thereafter |
|
|
1,175 |
|
|
|
41 |
|
| |
|
$ |
2,239 |
|
|
$ |
91 |
|
| |
| |
| Summary Of Stock Option And SAR Transactions |
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
2011 |
|
|
2010 |
|
| |
|
Number of
Awards |
|
|
Weighted
Average
Exercise
Price |
|
|
Number of
Awards |
|
|
Weighted
Average
Exercise
Price |
|
| |
|
|
|
|
|
Awards outstanding, January 1 |
|
|
6,104,501 |
|
|
$ |
33.082 |
|
|
|
5,657,996 |
|
|
$ |
31.242 |
|
|
Granted |
|
|
910,200 |
|
|
|
39.957 |
|
|
|
962,850 |
|
|
|
36.544 |
|
|
Exercised |
|
|
(370,789 |
) |
|
|
25.502 |
|
|
|
(500,658 |
) |
|
|
19.860 |
|
|
Canceled |
|
|
(19,303 |
) |
|
|
34.692 |
|
|
|
(15,687 |
) |
|
|
35.055 |
|
|
Awards outstanding, December 31 |
|
|
6,624,609 |
|
|
|
34.447 |
|
|
|
6,104,501 |
|
|
|
33.082 |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
Awards exercisable, December 31 |
|
|
4,599,587 |
|
|
$ |
33.405 |
|
|
|
3,965,726 |
|
|
$ |
31.501 |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
| Summary Of Stock Option And SAR's Outstanding By Exercise Price Range |
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
Awards Outstanding |
|
|
Awards Exercisable |
|
| Range of exercise prices |
|
Number of
Shares |
|
|
Weighted
Average
Remaining
Contractual
Life |
|
|
Weighted
Average
Exercise
Price |
|
|
Number of
Shares |
|
|
Weighted
Average
Exercise
Price |
|
| |
|
|
|
|
|
|
$10.01-20.00 |
|
|
803,728 |
|
|
|
1.2 |
|
|
$ |
17.868 |
|
|
|
803,728 |
|
|
$ |
17.868 |
|
|
20.01-30.00 |
|
|
1,199,098 |
|
|
|
5.2 |
|
|
|
24.631 |
|
|
|
897,641 |
|
|
|
24.394 |
|
|
30.01-40.00 |
|
|
2,690,208 |
|
|
|
6.7 |
|
|
|
36.003 |
|
|
|
1,506,551 |
|
|
|
35.418 |
|
|
40.01-50.00 |
|
|
1,720,825 |
|
|
|
6.5 |
|
|
|
44.559 |
|
|
|
1,180,917 |
|
|
|
45.108 |
|
|
50.01-60.00 |
|
|
210,750 |
|
|
|
5.1 |
|
|
|
51.080 |
|
|
|
210,750 |
|
|
|
51.080 |
| |
| Assumptions Used In Estimating Fair Value Of Granted Options And SARs And Results |
| |
|
|
|
|
|
|
|
|
|
|
|
|
| Year Ended December 31 |
|
2011 |
|
|
2010 |
|
|
2009 |
|
| |
|
|
|
|
Expected dividend yield |
|
|
0.6 |
% |
|
|
0.7 |
% |
|
|
0.9 |
% |
|
Expected volatility |
|
|
24.1 |
% |
|
|
24.7 |
% |
|
|
47.4 |
% |
|
Weighted average risk-free interest rate |
|
|
1.7 |
% |
|
|
2.0 |
% |
|
|
1.9 |
% |
|
Expected holding period (in years) |
|
|
5.0 |
|
|
|
5.0 |
|
|
|
5.0 |
|
|
Weighted average fair value of awards |
|
$ |
8.92 |
|
|
$ |
8.57 |
|
|
$ |
10.77 |
| |
|
Pension Benefits [Member]
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
| Defined Benefit Plan, Fair Value Of Plan Assets Measured On Recurring Basis |
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| December 31, 2011 |
|
Level 1 |
|
|
Level 2 |
|
|
Level 3 |
|
|
Total |
|
| (In millions) |
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
Fixed maturity securities: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Corporate and other bonds |
|
|
|
|
|
$ |
377 |
|
|
$ |
10 |
|
|
$ |
387 |
|
|
States, municipalities and political subdivisions |
|
|
|
|
|
|
104 |
|
|
|
|
|
|
|
104 |
|
|
Asset-backed |
|
|
|
|
|
|
276 |
|
|
|
|
|
|
|
276 |
|
|
Total fixed maturity securities |
|
$ |
- |
|
|
|
757 |
|
|
|
10 |
|
|
|
767 |
|
|
Equity securities |
|
|
386 |
|
|
|
75 |
|
|
|
5 |
|
|
|
466 |
|
|
Short term investments |
|
|
77 |
|
|
|
35 |
|
|
|
|
|
|
|
112 |
|
|
Fixed income mutual funds |
|
|
98 |
|
|
|
|
|
|
|
|
|
|
|
98 |
|
|
Limited partnerships: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Hedge funds |
|
|
|
|
|
|
533 |
|
|
|
344 |
|
|
|
877 |
|
|
Private equity |
|
|
|
|
|
|
|
|
|
|
84 |
|
|
|
84 |
|
|
Total limited partnerships |
|
$ |
- |
|
|
|
533 |
|
|
|
428 |
|
|
|
961 |
|
|
Other assets |
|
|
|
|
|
|
21 |
|
|
|
|
|
|
|
21 |
|
|
Investment contracts with insurance company |
|
|
|
|
|
|
|
|
|
|
10 |
|
|
|
10 |
|
|
Total |
|
$ |
561 |
|
|
$ |
1,421 |
|
|
$ |
453 |
|
|
$ |
2,435 |
|
| |
|
| |
|
|
|
|
| December 31, 2010 |
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
Fixed maturity securities: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Corporate and other bonds |
|
|
|
|
|
$ |
305 |
|
|
$ |
10 |
|
|
$ |
315 |
|
|
States, municipalities and political subdivisions |
|
|
|
|
|
|
92 |
|
|
|
|
|
|
|
92 |
|
|
Asset-backed |
|
|
|
|
|
|
230 |
|
|
|
10 |
|
|
|
240 |
|
|
Total fixed maturity securities |
|
$ |
- |
|
|
|
627 |
|
|
|
20 |
|
|
|
647 |
|
|
Equity securities |
|
|
452 |
|
|
|
77 |
|
|
|
6 |
|
|
|
535 |
|
|
Short term investments |
|
|
114 |
|
|
|
7 |
|
|
|
|
|
|
|
121 |
|
|
Fixed income mutual funds |
|
|
84 |
|
|
|
|
|
|
|
|
|
|
|
84 |
|
|
Limited partnerships: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Hedge funds |
|
|
|
|
|
|
563 |
|
|
|
417 |
|
|
|
980 |
|
|
Private equity |
|
|
|
|
|
|
|
|
|
|
76 |
|
|
|
76 |
|
|
Total limited partnerships |
|
$ |
- |
|
|
|
563 |
|
|
|
493 |
|
|
|
1,056 |
|
|
Other assets |
|
|
1 |
|
|
|
15 |
|
|
|
|
|
|
|
16 |
|
|
Investment contracts with insurance company |
|
|
|
|
|
|
|
|
|
|
9 |
|
|
|
9 |
|
|
Total |
|
$ |
651 |
|
|
$ |
1,289 |
|
|
$ |
528 |
|
|
$ |
2,468 |
|
| |
| |
| Plan Assets Measured At Fair Value On A Recurring Basis Using Significant Unobservable Inputs (Level 3) |
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 2011 |
|
Balance at
January 1, |
|
Actual Return
on Assets Still
Held at
December 31, |
|
Actual Return
on Assets Sold
during the
Year Ended
December 31, |
|
Net
Purchases,
Sales, and
Settlements |
|
Net Transfers
In (Out) of
Level 3 |
|
Balance at
December 31, |
| (In millions) |
|
|
|
|
|
|
|
|
|
|
|
|
|
Fixed maturity securities: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Corporate and other bonds |
|
|
$ |
10 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ |
10 |
|
|
Asset-backed |
|
|
|
10 |
|
|
|
|
|
|
|
|
|
|
|
|
|
$ |
(10 |
) |
|
|
|
|
|
|
|
|
|
|
|
Total fixed maturity securities |
|
|
|
20 |
|
|
|
$ |
- |
|
|
|
$ |
- |
|
|
|
|
(10 |
) |
|
|
$ |
- |
|
|
|
|
10 |
|
|
Equity securities |
|
|
|
6 |
|
|
|
|
(1 |
) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
5 |
|
|
Limited partnerships: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Hedge funds |
|
|
|
417 |
|
|
|
|
5 |
|
|
|
|
5 |
|
|
|
|
(83 |
) |
|
|
|
|
|
|
|
|
344 |
|
|
Private equity |
|
|
|
76 |
|
|
|
|
10 |
|
|
|
|
|
|
|
|
|
(2 |
) |
|
|
|
|
|
|
|
|
84 |
|
|
Total limited partnerships |
|
|
|
493 |
|
|
|
|
15 |
|
|
|
|
5 |
|
|
|
|
(85 |
) |
|
|
$ |
- |
|
|
|
|
428 |
|
|
Investment contracts with insurance company |
|
|
|
9 |
|
|
|
|
1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
10 |
|
|
Total |
|
|
$ |
528 |
|
|
|
$ |
15 |
|
|
|
$ |
5 |
|
|
|
$ |
(95 |
) |
|
|
$ |
- |
|
|
|
$ |
453 |
|
| |
|
|
2010 |
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
Fixed maturity securities: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Corporate and other bonds |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ |
10 |
|
|
|
|
|
|
|
|
$ |
10 |
|
|
Asset-backed |
|
|
$ |
57 |
|
|
|
|
|
|
|
|
$ |
6 |
|
|
|
|
(53 |
) |
|
|
|
|
|
|
|
|
10 |
|
|
Total fixed maturity securities |
|
|
|
57 |
|
|
|
$ |
- |
|
|
|
|
6 |
|
|
|
|
(43 |
) |
|
|
$ |
- |
|
|
|
|
20 |
|
|
Equity securities |
|
|
|
5 |
|
|
|
|
1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
6 |
|
|
Limited partnerships: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Hedge funds |
|
|
|
360 |
|
|
|
|
67 |
|
|
|
|
1 |
|
|
|
|
(11 |
) |
|
|
|
|
|
|
|
|
417 |
|
|
Private equity |
|
|
|
72 |
|
|
|
|
8 |
|
|
|
|
|
|
|
|
|
(4 |
) |
|
|
|
|
|
|
|
|
76 |
|
|
Total limited partnerships |
|
|
|
432 |
|
|
|
|
75 |
|
|
|
|
1 |
|
|
|
|
(15 |
) |
|
|
$ |
- |
|
|
|
|
493 |
|
|
Investment contracts with insurance company |
|
|
|
9 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
9 |
|
|
Total |
|
|
$ |
503 |
|
|
|
$ |
76 |
|
|
|
$ |
7 |
|
|
|
$ |
(58 |
) |
|
|
$ |
- |
|
|
|
$ |
528 |
|
| |
| |
|
Other Postretirement Benefits [Member]
|
|
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
|
| Defined Benefit Plan, Fair Value Of Plan Assets Measured On Recurring Basis |
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| December 31, 2011 |
|
Level 1 |
|
|
Level 2 |
|
|
Level 3 |
|
|
Total |
|
| (In millions) |
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
Fixed maturity securities: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Corporate and other bonds |
|
|
|
|
|
$ |
20 |
|
|
|
|
|
|
$ |
20 |
|
|
States, municipalities and political subdivisions |
|
|
|
|
|
|
35 |
|
|
|
|
|
|
|
35 |
|
|
Asset-backed |
|
|
|
|
|
|
20 |
|
|
|
|
|
|
|
20 |
|
|
Total fixed maturity securities |
|
$ |
- |
|
|
|
75 |
|
|
$ |
- |
|
|
|
75 |
|
|
Short term investments |
|
|
3 |
|
|
|
|
|
|
|
|
|
|
|
3 |
|
|
Fixed income mutual funds |
|
|
4 |
|
|
|
|
|
|
|
|
|
|
|
4 |
|
|
Total |
|
$ |
7 |
|
|
$ |
75 |
|
|
$ |
- |
|
|
$ |
82 |
|
| |
|
| |
|
|
|
|
|
December 31, 2010 |
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
Fixed maturity securities: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Corporate and other bonds |
|
|
|
|
|
$ |
18 |
|
|
|
|
|
|
$ |
18 |
|
|
States, municipalities and political subdivisions |
|
|
|
|
|
|
33 |
|
|
|
|
|
|
|
33 |
|
|
Asset-backed |
|
|
|
|
|
|
8 |
|
|
|
|
|
|
|
8 |
|
|
U.S. Treasury and obligations of government - sponsored enterprises |
|
$ |
8 |
|
|
|
|
|
|
|
|
|
|
|
8 |
|
|
Total fixed maturity securities |
|
|
8 |
|
|
|
59 |
|
|
$ |
- |
|
|
|
67 |
|
|
Equity securities |
|
|
3 |
|
|
|
|
|
|
|
|
|
|
|
3 |
|
|
Short term investments |
|
|
3 |
|
|
|
|
|
|
|
|
|
|
|
3 |
|
|
Total |
|
$ |
14 |
|
|
$ |
59 |
|
|
$ |
- |
|
|
$ |
73 |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
| Plan Assets Measured At Fair Value On A Recurring Basis Using Significant Unobservable Inputs (Level 3) |
| |
|
|
|
|
|
|
|
|
|
|
|
|
| 2010 |
|
Balance at
January 1, |
|
Actual Return
on Assets Still
Held at
December 31, |
|
Actual Return
on Assets Sold
during the
Year Ended
December 31, |
|
Net
Purchases,
Sales, and
Settlements |
|
Net
Transfers
In (Out) of
Level 3 |
|
Balance at
December 31, |
| (In millions) |
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
Limited partnerships |
|
$ 16 |
|
|
|
$ 1 |
|
$ (17) |
|
|
|
|
|
Total |
|
$ 16 |
|
$ - |
|
$ 1 |
|
$ (17) |
|
$ - |
|
$ - |
| |
|
|
|
|
|
|
|
|
|
|
|
| |