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Merger and Restructuring Activity (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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| Restructuring Cost and Reserve [Line Items] | |||
| Severance and employee-related charges | $ 226 | $ 455 | |
| Systems integrations and related charges | 285 | 1,137 | |
| Other merger and restructuring charges | 127 | 228 | |
| Total merger and restructuring charges | 0 | 638 | 1,820 |
| Restructuring Reserve, Beginning Balance | 234 | 336 | |
| Cash payments and other | (234) | (319) | |
| Restructuring Reserve, Ending Balance | 0 | 234 | 336 |
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Merrill Lynch [Member]
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| Restructuring Cost and Reserve [Line Items] | |||
| Total merger and restructuring charges | 1,600 | ||
| Exit costs and restructuring charges | 0 | 217 | |
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Series Of Individually Immaterial Business Acquisitions From Prior Periods [Member]
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| Restructuring Cost and Reserve [Line Items] | |||
| Total merger and restructuring charges | $ 202 | ||
| X | ||||||||||
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- Definition
Amount charged against earnings in the period for certain costs associated with a successful business combination. Such costs could include costs associated with severance and employee-related charges, systems integrations and other related charges as well as other restructuring charges. No definition available.
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| X | ||||||||||
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- Definition
Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs. No definition available.
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| X | ||||||||||
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- Definition
The charge against earnings in the period, comprised of costs associated with restructuring activities not otherwise specified in the taxonomy pursuant to a duly authorized plan, excluding a discontinued operation as defined by generally accepted accounting principles. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, but excludes costs associated with the retirement of a long-lived asset and severance costs associated with established compensation plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of cash paid in the period to fully or partially settle a specified, previously accrued type of restructuring cost. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The charge against earnings in the period for known and estimated costs of termination benefits provided to current employees that are involuntarily terminated under a benefit arrangement associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding costs or losses pertaining to an entity newly acquired in a business combination or a discontinued operation as defined by generally accepted accounting principles and costs associated with one-time termination benefits. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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