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Securities - U.S. GSE, Agency, and Treasury Securities (Details) (USD $)
In Millions, unless otherwise specified |
Sep. 30, 2014
|
Dec. 31, 2013
|
|---|---|---|
| Marketable Securities [Line Items] | ||
| Amortized Cost | $ 369,668 | $ 330,440 |
| Fair Value | 366,939 | 321,225 |
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Fannie Mae
|
||
| Marketable Securities [Line Items] | ||
| Amortized Cost | 127,610 | 123,813 |
| Fair Value | 126,061 | 118,708 |
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Government National Mortgage Association
|
||
| Marketable Securities [Line Items] | ||
| Amortized Cost | 101,052 | 118,700 |
| Fair Value | 99,757 | 115,314 |
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U.S. Treasury
|
||
| Marketable Securities [Line Items] | ||
| Amortized Cost | 58,263 | 10,533 |
| Fair Value | 58,208 | 10,428 |
|
Freddie Mac
|
||
| Marketable Securities [Line Items] | ||
| Amortized Cost | 25,717 | 24,908 |
| Fair Value | $ 25,553 | $ 24,075 |
| X | ||||||||||
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- Definition
Debt Securities, Amortized Cost, Amount of Debt Securities Exceeds 10 Percent of Stockholders' Equity No definition available.
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| X | ||||||||||
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- Definition
Debt Securities, Fair Value, Amount of Debt Securities Exceeds 10 Percent of Stockholders' Equity No definition available.
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| X | ||||||||||
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- Details
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