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.

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+ Details

- Definition

Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

+ References

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+ Details

GOODWILL AND INTANGIBLE ASSETS (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended									3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 North America Regional Consumer Banking	Mar. 31, 2013 EMEA Regional Consumer Banking	Mar. 31, 2013 Asia Regional Consumer Banking	Mar. 31, 2013 LATAM America Regional Consumer Banking	Mar. 31, 2013 Securities and Banking	Mar. 31, 2013 Transaction Services	Mar. 31, 2013 Brokerage and Asset Management	Sep. 30, 2012 Local Consumer Lending-Cards	Mar. 31, 2013 Local Consumer Lending-Cards
Goodwill:
Goodwill written off due to impairment	$ 0
Fair value as a percentage of allocated book value										110.00%
Goodwill	$ 25,474	$ 25,673	$ 6,799	$ 343	$ 5,242	$ 1,942	$ 9,387	$ 1,614	$ 42		$ 105