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Accumulated Other Comprehensive Income (Loss) - Reclassifications Out of AOCI (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | ||||||||
| Gains on sales of debt securities | $ 1,271 | $ 1,662 | $ 3,374 | |||||
| Other-than-temporary impairment | (21) | (57) | (360) | |||||
| Equity investment income | 2,901 | 2,070 | 7,360 | |||||
| Net interest income | 42,265 | 40,656 | 44,616 | |||||
| Trading account profits | 7,056 | 5,870 | 6,697 | |||||
| Other income (loss) | (29) | (2,034) | 8,215 | |||||
| Personnel | 34,719 | 35,648 | 36,965 | |||||
| Income tax expense (benefit) | 4,741 | (1,116) | (1,676) | |||||
| Net income | 11,431 | [1] | 4,188 | [1] | 1,446 | [1] | ||
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Debt Securities [Member]
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| Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | ||||||||
| Gains on sales of debt securities | 1,271 | 1,662 | 3,374 | |||||
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Reclassification out of Accumulated Other Comprehensive Income [Member]
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| Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | ||||||||
| Net income | 624 | 67 | 4,840 | |||||
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Reclassification out of Accumulated Other Comprehensive Income [Member] | Available-for- Sale Securities [Member] | Debt Securities [Member]
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| Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | ||||||||
| Gains on sales of debt securities | 1,271 | 1,662 | 3,374 | |||||
| Other-than-temporary impairment | (20) | (53) | (299) | |||||
| Income before income taxes | 1,251 | 1,609 | 3,075 | |||||
| Income tax expense (benefit) | 463 | 595 | 1,138 | |||||
| Net income | 788 | 1,014 | 1,937 | |||||
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Reclassification out of Accumulated Other Comprehensive Income [Member] | Available-for- Sale Securities [Member] | Equity Securities [Member]
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| Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | ||||||||
| Equity investment income | 771 | 19 | 6,501 | |||||
| Income before income taxes | 771 | 19 | 6,501 | |||||
| Income tax expense (benefit) | 285 | 7 | 2,384 | |||||
| Net income | 486 | 12 | 4,117 | |||||
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Reclassification out of Accumulated Other Comprehensive Income [Member] | Derivatives [Member]
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| Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | ||||||||
| Income before income taxes | (773) | (1,035) | (1,617) | |||||
| Income tax expense (benefit) | (286) | (383) | (599) | |||||
| Net income | (487) | (652) | (1,018) | |||||
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Reclassification out of Accumulated Other Comprehensive Income [Member] | Derivatives [Member] | Interest Rate Contract [Member]
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| Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | ||||||||
| Net interest income | (1,119) | (956) | (1,393) | |||||
| Other income (loss) | 18 | 0 | 0 | |||||
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Reclassification out of Accumulated Other Comprehensive Income [Member] | Derivatives [Member] | Commodity Contract [Member]
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| Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | ||||||||
| Trading account profits | (1) | (1) | 7 | |||||
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Reclassification out of Accumulated Other Comprehensive Income [Member] | Derivatives [Member] | Equity Contract [Member]
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| Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | ||||||||
| Personnel | 329 | (78) | (231) | |||||
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Reclassification out of Accumulated Other Comprehensive Income [Member] | Employee Benefit Plans [Member]
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| Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | ||||||||
| Income before income taxes | (237) | (539) | (437) | |||||
| Income tax expense (benefit) | (79) | (212) | (167) | |||||
| Net income | (158) | (327) | (270) | |||||
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Reclassification out of Accumulated Other Comprehensive Income [Member] | Employee Benefit Plans [Member] | Prior Service Costs [Member]
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| Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | ||||||||
| Personnel | (4) | (6) | (16) | |||||
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Reclassification out of Accumulated Other Comprehensive Income [Member] | Employee Benefit Plans [Member] | Transition Obligation [Member]
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| Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | ||||||||
| Personnel | 0 | (32) | (31) | |||||
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Reclassification out of Accumulated Other Comprehensive Income [Member] | Employee Benefit Plans [Member] | Actuarial Losses [Member]
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| Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | ||||||||
| Personnel | (225) | (443) | (387) | |||||
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Reclassification out of Accumulated Other Comprehensive Income [Member] | Employee Benefit Plans [Member] | Settlements and Curtailments [Member]
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| Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | ||||||||
| Personnel | (8) | (58) | (3) | |||||
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Reclassification out of Accumulated Other Comprehensive Income [Member] | Foreign Currency [Member]
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| Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | ||||||||
| Other income (loss) | (138) | 30 | 65 | |||||
| Income before income taxes | (138) | 30 | 65 | |||||
| Income tax expense (benefit) | (133) | 10 | (9) | |||||
| Net income | $ (5) | $ 20 | $ 74 | |||||
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