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Securities (Schedule Of Proceeds From Sale, Gross Gains And Gross Losses On Available For Sale Securities) (Detail) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2012
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Jun. 30, 2011
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Jun. 30, 2012
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Jun. 30, 2011
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| Investment Securities [Line Items] | ||||
| Proceeds | $ 272 | $ 4,060 | $ 1,670 | $ 6,479 |
| Gross realized gains | 12 | 24 | 24 | 106 |
| Gross realized losses | ||||
| Net securities gains | $ 12 | $ 24 | $ 24 | $ 106 |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The net gain (loss) realized from the sale, exchange, redemption, or retirement of securities, not separately or otherwise categorized as trading, available-for-sale, or held-to-maturity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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