|
Securities Available for Sale, Gross Unrealized Losses and Fair Value (Details) (USD $)
In Millions, unless otherwise specified
|
Jun. 30, 2013
|
Dec. 31, 2012
|
| Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |
|
|
| Less than 12 months, Gross Unrealized Losses |
$ (3,147) |
$ (108) |
| Less than 12 months, Fair Value |
84,309 |
10,727 |
| 12 months or more, Gross Unrealized Losses |
(680) |
(946) |
| 12 months or more, Fair Value |
8,732 |
11,441 |
| Total Gross Unrealized Losses |
(3,827) |
(1,054) |
| Total, Fair Value |
93,041 |
22,168 |
|
Debt Securities [Member]
|
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |
|
|
| Less than 12 months, Gross Unrealized Losses |
(3,118) |
(96) |
| Less than 12 months, Fair Value |
84,028 |
10,563 |
| 12 months or more, Gross Unrealized Losses |
(661) |
(909) |
| 12 months or more, Fair Value |
8,313 |
10,903 |
| Total Gross Unrealized Losses |
(3,779) |
(1,005) |
| Total, Fair Value |
92,341 |
21,466 |
|
US Treasury and Government [Member]
|
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |
|
|
| Less than 12 months, Gross Unrealized Losses |
(261) |
0 |
| Less than 12 months, Fair Value |
5,883 |
0 |
| 12 months or more, Gross Unrealized Losses |
0 |
0 |
| 12 months or more, Fair Value |
0 |
0 |
| Total Gross Unrealized Losses |
(261) |
0 |
| Total, Fair Value |
5,883 |
0 |
|
US States and Political Subdivisions [Member]
|
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |
|
|
| Less than 12 months, Gross Unrealized Losses |
(431) |
(55) |
| Less than 12 months, Fair Value |
9,668 |
2,709 |
| 12 months or more, Gross Unrealized Losses |
(369) |
(389) |
| 12 months or more, Fair Value |
3,867 |
4,662 |
| Total Gross Unrealized Losses |
(800) |
(444) |
| Total, Fair Value |
13,535 |
7,371 |
|
Mortgage Backed Securities [Member]
|
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |
|
|
| Less than 12 months, Gross Unrealized Losses |
(2,266) |
(14) |
| Less than 12 months, Fair Value |
57,918 |
2,999 |
| 12 months or more, Gross Unrealized Losses |
(169) |
(307) |
| 12 months or more, Fair Value |
2,717 |
4,128 |
| Total Gross Unrealized Losses |
(2,435) |
(321) |
| Total, Fair Value |
60,635 |
7,127 |
|
Federal agencies [Member]
|
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |
|
|
| Less than 12 months, Gross Unrealized Losses |
(2,190) |
(4) |
| Less than 12 months, Fair Value |
52,866 |
2,247 |
| 12 months or more, Gross Unrealized Losses |
(2) |
0 |
| 12 months or more, Fair Value |
712 |
0 |
| Total Gross Unrealized Losses |
(2,192) |
(4) |
| Total, Fair Value |
53,578 |
2,247 |
|
Residential [Member]
|
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |
|
|
| Less than 12 months, Gross Unrealized Losses |
(36) |
(4) |
| Less than 12 months, Fair Value |
2,229 |
261 |
| 12 months or more, Gross Unrealized Losses |
(29) |
(45) |
| 12 months or more, Fair Value |
277 |
1,564 |
| Total Gross Unrealized Losses |
(65) |
(49) |
| Total, Fair Value |
2,506 |
1,825 |
|
Commercial [Member]
|
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |
|
|
| Less than 12 months, Gross Unrealized Losses |
(40) |
(6) |
| Less than 12 months, Fair Value |
2,823 |
491 |
| 12 months or more, Gross Unrealized Losses |
(138) |
(262) |
| 12 months or more, Fair Value |
1,728 |
2,564 |
| Total Gross Unrealized Losses |
(178) |
(268) |
| Total, Fair Value |
4,551 |
3,055 |
|
Corporate debt securities [Member]
|
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |
|
|
| Less than 12 months, Gross Unrealized Losses |
(109) |
(14) |
| Less than 12 months, Fair Value |
3,196 |
1,217 |
| 12 months or more, Gross Unrealized Losses |
(52) |
(55) |
| 12 months or more, Fair Value |
214 |
305 |
| Total Gross Unrealized Losses |
(161) |
(69) |
| Total, Fair Value |
3,410 |
1,522 |
|
Collateralized loan and other debt obligations [Member]
|
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |
|
|
| Less than 12 months, Gross Unrealized Losses |
(28) |
(2) |
| Less than 12 months, Fair Value |
3,898 |
1,485 |
| 12 months or more, Gross Unrealized Losses |
(50) |
(93) |
| 12 months or more, Fair Value |
396 |
798 |
| Total Gross Unrealized Losses |
(78) |
(95) |
| Total, Fair Value |
4,294 |
2,283 |
|
Other Debt Securities [Member]
|
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |
|
|
| Less than 12 months, Gross Unrealized Losses |
(23) |
(11) |
| Less than 12 months, Fair Value |
3,465 |
2,153 |
| 12 months or more, Gross Unrealized Losses |
(21) |
(65) |
| 12 months or more, Fair Value |
1,119 |
1,010 |
| Total Gross Unrealized Losses |
(44) |
(76) |
| Total, Fair Value |
4,584 |
3,163 |
|
Equity Securities [Member]
|
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |
|
|
| Less than 12 months, Gross Unrealized Losses |
(29) |
(12) |
| Less than 12 months, Fair Value |
281 |
164 |
| 12 months or more, Gross Unrealized Losses |
(19) |
(37) |
| 12 months or more, Fair Value |
419 |
538 |
| Total Gross Unrealized Losses |
(48) |
(49) |
| Total, Fair Value |
700 |
702 |
|
Perpetual preferred securities [Member]
|
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |
|
|
| Less than 12 months, Gross Unrealized Losses |
(13) |
(3) |
| Less than 12 months, Fair Value |
191 |
116 |
| 12 months or more, Gross Unrealized Losses |
(19) |
(37) |
| 12 months or more, Fair Value |
419 |
538 |
| Total Gross Unrealized Losses |
(32) |
(40) |
| Total, Fair Value |
610 |
654 |
|
Other equity securities [Member]
|
|
|
| Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] |
|
|
| Less than 12 months, Gross Unrealized Losses |
(16) |
(9) |
| Less than 12 months, Fair Value |
90 |
48 |
| 12 months or more, Gross Unrealized Losses |
0 |
0 |
| 12 months or more, Fair Value |
0 |
0 |
| Total Gross Unrealized Losses |
(16) |
(9) |
| Total, Fair Value |
$ 90 |
$ 48 |