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Goodwill and Intangible Assets - Goodwill (Details) (USD $)
In Millions, unless otherwise specified |
Jun. 30, 2013
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Dec. 31, 2012
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|---|---|---|
| Goodwill [Abstract] | ||
| Total Goodwill | $ 69,930 | $ 69,976 |
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Dealer Financial Services [Member]
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| Goodwill [Abstract] | ||
| Total Goodwill | 1,700 | |
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International Wealth Management Businesses [Member]
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| Goodwill [Abstract] | ||
| Total Goodwill | 230 | |
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Consumer & Business Banking Segment [Member]
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| Goodwill [Abstract] | ||
| Total Goodwill | 31,681 | 31,681 |
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Global Banking Segment [Member]
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| Goodwill [Abstract] | ||
| Total Goodwill | 22,377 | 22,377 |
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Global Markets [Member]
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| Goodwill [Abstract] | ||
| Total Goodwill | 5,181 | 5,181 |
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Global Wealth & Investment Management [Member]
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| Goodwill [Abstract] | ||
| Total Goodwill | 9,698 | 9,698 |
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All Other [Member]
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| Goodwill [Abstract] | ||
| Total Goodwill | $ 993 | $ 1,039 |
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- Details
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- Definition
Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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