Investments with continuous unrealized losses for less than 12 months and 12 months or greater and their related fair values were as follows:
| Less than 12 Months | 12 Months or Greater |
Total Unrealized Losses |
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| (In millions) | Fair Value | Unrealized Losses |
Fair Value | Unrealized Losses |
Total Fair Value |
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| June 30, 2013 | ||||||||||||||||||||||||
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U.S. government and agency securities |
$ | 2,208 | $ | (84 | ) | $ | 0 | $ | 0 | $ | 2,208 | $ | (84 | ) | ||||||||||
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Foreign government bonds |
589 | (18 | ) | 69 | (23 | ) | 658 | (41 | ) | |||||||||||||||
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Mortgage-backed securities |
357 | (12 | ) | 39 | (1 | ) | 396 | (13 | ) | |||||||||||||||
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Corporate notes and bonds |
1,142 | (38 | ) | 27 | (2 | ) | 1,169 | (40 | ) | |||||||||||||||
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Municipal securities |
44 | (1 | ) | 0 | 0 | 44 | (1 | ) | ||||||||||||||||
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Common and preferred stock |
1,166 | (168 | ) | 409 | (113 | ) | 1,575 | (281 | ) | |||||||||||||||
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Total |
$ | 5,506 | $ | (321 | ) | $ | 544 | $ | (139 | ) | $ | 6,050 | $ | (460 | ) | |||||||||
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| Less than 12 Months | 12 Months or Greater |
Total Unrealized Losses |
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| (In millions) | Fair Value | Unrealized Losses |
Fair Value | Unrealized Losses |
Total Fair Value |
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| June 30, 2012 | ||||||||||||||||||||||||
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U.S. government and agency securities |
$ | 44 | $ | (2 | ) | $ | 0 | $ | 0 | $ | 44 | $ | (2 | ) | ||||||||||
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Foreign government bonds |
657 | (27 | ) | 12 | (2 | ) | 669 | (29 | ) | |||||||||||||||
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Mortgage-backed securities |
53 | 0 | 48 | (2 | ) | 101 | (2 | ) | ||||||||||||||||
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Corporate notes and bonds |
640 | (11 | ) | 70 | (4 | ) | 710 | (15 | ) | |||||||||||||||
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Common and preferred stock |
2,135 | (329 | ) | 305 | (107 | ) | 2,440 | (436 | ) | |||||||||||||||
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Total |
$ | 3,529 | $ | (369 | ) | $ | 435 | $ | (115 | ) | $ | 3,964 | $ | (484 | ) | |||||||||
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