December 31, 2013 | |||||||||||||||||||||||
Less than twelve months | Twelve months or longer | Total | |||||||||||||||||||||
(Dollars in millions) | Fair Value | Unrealized Losses | Fair Value | Unrealized Losses | Fair Value | Unrealized Losses | |||||||||||||||||
Temporarily impaired securities: | |||||||||||||||||||||||
U.S. Treasury securities | $1,036 | $47 | $— | $— | $1,036 | $47 | |||||||||||||||||
Federal agency securities | 398 | 29 | 264 | 28 | 662 | 57 | |||||||||||||||||
U.S. states and political subdivisions | 12 | — | 20 | 2 | 32 | 2 | |||||||||||||||||
MBS - agency | 9,173 | 358 | 618 | 67 | 9,791 | 425 | |||||||||||||||||
ABS | — | — | 13 | 1 | 13 | 1 | |||||||||||||||||
Total temporarily impaired securities | 10,619 | 434 | 915 | 98 | 11,534 | 532 | |||||||||||||||||
OTTI securities1: | |||||||||||||||||||||||
MBS - private | 105 | 2 | — | — | 105 | 2 | |||||||||||||||||
Total OTTI securities | 105 | 2 | — | — | 105 | 2 | |||||||||||||||||
Total impaired securities | $10,724 | $436 | $915 | $98 | $11,639 | $534 |
December 31, 2012 | |||||||||||||||||||||||
Less than twelve months | Twelve months or longer | Total | |||||||||||||||||||||
(Dollars in millions) | Fair Value | Unrealized Losses | Fair Value | Unrealized Losses | Fair Value | Unrealized Losses | |||||||||||||||||
Temporarily impaired securities: | |||||||||||||||||||||||
Federal agency securities | $298 | $3 | $— | $— | $298 | $3 | |||||||||||||||||
U.S. states and political subdivisions | 1 | — | 24 | 5 | 25 | 5 | |||||||||||||||||
MBS - agency | 1,212 | 3 | — | — | 1,212 | 3 | |||||||||||||||||
ABS | — | — | 13 | 2 | 13 | 2 | |||||||||||||||||
Total temporarily impaired securities | 1,511 | 6 | 37 | 7 | 1,548 | 13 | |||||||||||||||||
OTTI securities1: | |||||||||||||||||||||||
ABS | — | — | 3 | 1 | 3 | 1 | |||||||||||||||||
Total OTTI securities | — | — | 3 | 1 | 3 | 1 | |||||||||||||||||
Total impaired securities | $1,511 | $6 | $40 | $8 | $1,551 | $14 |