Debt Securities and Available-for-Sale Marketable Equity Securities | |||||||||||||||
December 31, 2013 | |||||||||||||||
(Dollars in millions) | Amortized Cost | Gross Unrealized Gains | Gross Unrealized Losses | Fair Value | |||||||||||
Available-for-sale debt securities | |||||||||||||||
U.S. Treasury and agency securities | $ | 8,910 | $ | 106 | $ | (62 | ) | $ | 8,954 | ||||||
Mortgage-backed securities: | |||||||||||||||
Agency | 170,112 | 777 | (5,954 | ) | 164,935 | ||||||||||
Agency-collateralized mortgage obligations | 22,731 | 76 | (315 | ) | 22,492 | ||||||||||
Non-agency residential (1) | 6,124 | 238 | (123 | ) | 6,239 | ||||||||||
Commercial | 2,429 | 63 | (12 | ) | 2,480 | ||||||||||
Non-U.S. securities | 7,207 | 37 | (24 | ) | 7,220 | ||||||||||
Corporate/Agency bonds | 860 | 20 | (7 | ) | 873 | ||||||||||
Other taxable securities, substantially all asset-backed securities | 16,805 | 30 | (5 | ) | 16,830 | ||||||||||
Total taxable securities | 235,178 | 1,347 | (6,502 | ) | 230,023 | ||||||||||
Tax-exempt securities | 5,967 | 10 | (49 | ) | 5,928 | ||||||||||
Total available-for-sale debt securities | 241,145 | 1,357 | (6,551 | ) | 235,951 | ||||||||||
Other debt securities carried at fair value | 34,145 | 34 | (1,335 | ) | 32,844 | ||||||||||
Total debt securities carried at fair value | 275,290 | 1,391 | (7,886 | ) | 268,795 | ||||||||||
Held-to-maturity debt securities, substantially all U.S. agency mortgage-backed securities | 55,150 | 20 | (2,740 | ) | 52,430 | ||||||||||
Total debt securities | $ | 330,440 | $ | 1,411 | $ | (10,626 | ) | $ | 321,225 | ||||||
Available-for-sale marketable equity securities (2) | $ | 230 | $ | — | $ | (7 | ) | $ | 223 | ||||||
December 31, 2012 | |||||||||||||||
Available-for-sale debt securities | |||||||||||||||
U.S. Treasury and agency securities | $ | 24,232 | $ | 324 | $ | (84 | ) | $ | 24,472 | ||||||
Mortgage-backed securities: | |||||||||||||||
Agency | 183,247 | 5,048 | (146 | ) | 188,149 | ||||||||||
Agency-collateralized mortgage obligations | 36,329 | 1,427 | (218 | ) | 37,538 | ||||||||||
Non-agency residential (1) | 9,231 | 391 | (128 | ) | 9,494 | ||||||||||
Non-agency commercial | 3,576 | 348 | — | 3,924 | |||||||||||
Non-U.S. securities | 5,574 | 50 | (6 | ) | 5,618 | ||||||||||
Corporate/Agency bonds | 1,415 | 51 | (16 | ) | 1,450 | ||||||||||
Other taxable securities, substantially all asset-backed securities | 12,089 | 54 | (15 | ) | 12,128 | ||||||||||
Total taxable securities | 275,693 | 7,693 | (613 | ) | 282,773 | ||||||||||
Tax-exempt securities | 4,167 | 13 | (47 | ) | 4,133 | ||||||||||
Total available-for-sale debt securities | 279,860 | 7,706 | (660 | ) | 286,906 | ||||||||||
Other debt securities carried at fair value | 23,927 | 120 | (103 | ) | 23,944 | ||||||||||
Total debt securities carried at fair value | 303,787 | 7,826 | (763 | ) | 310,850 | ||||||||||
Held-to-maturity debt securities, substantially all U.S. agency mortgage-backed securities | 49,481 | 815 | (26 | ) | 50,270 | ||||||||||
Total debt securities | $ | 353,268 | $ | 8,641 | $ | (789 | ) | $ | 361,120 | ||||||
Available-for-sale marketable equity securities (2) | $ | 780 | $ | 732 | $ | — | $ | 1,512 | |||||||
(1) | At December 31, 2013 and 2012, the underlying collateral type included approximately 89 percent and 91 percent prime, seven percent and six percent Alt-A, and four percent and three percent subprime. |
(2) | Classified in other assets on the Consolidated Balance Sheet. |