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Distribution of Subsidiary (Details) (USD $)
In Millions, unless otherwise specified |
0 Months Ended | ||||
|---|---|---|---|---|---|
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Mar. 31, 2013
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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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May 06, 2010
Commerce
item
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| Distribution of Subsidiary | |||||
| Percentage of distribution of interest | 100.00% | ||||
| Number of consolidated subsidiaries | 1 | ||||
| Cash | $ 12 | ||||
| Goodwill | 5,179 | 5,234 | 5,239 | 5,247 | 9 |
| Other assets | 10 | ||||
| Liabilities | (6,308) | (6,604) | (5,551) | (10) | |
| Net book value | $ 21 |
| X | ||||||||||
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- Definition
Represents the number of consolidated subsidiaries in which an ownership interest was transferred. No definition available.
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| X | ||||||||||
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- Definition
Represents the ownership percentage in consolidated subsidiaries, which has been transferred or distributed by the entity. No definition available.
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| X | ||||||||||
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- Definition
Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of noncash consideration received for selling an asset or business through a noncash (or part noncash) transaction. 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
The aggregate carrying amounts, as of the balance sheet date, of assets not separately disclosed in the balance sheet. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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