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

The aggregate amount of goodwill acquired in the period and allocated to the reportable segment. The value is stated at fair value based on the purchase price allocation.

+ References+ 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 (Details Textuals) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008
Goodwill [Line Items]
Acquisitions	$ 39	$ 6,959	$ 0
Goodwill associated with ALICO	11,935	11,781	5,047	5,008
Impairments	(65)	0	0
Accumulated impairment loss	65
MetLife Bank [Member]
Goodwill [Line Items]
Impairments	(65)
Alico Transaction [Member]
Goodwill [Line Items]
Acquisitions	39
Goodwill associated with ALICO		6,800
International [Member]
Goodwill [Line Items]
Goodwill associated with ALICO	7,367
Japan [Member]
Goodwill [Line Items]
Goodwill associated with ALICO	5,371
Japan [Member] \| Alico Transaction [Member]
Goodwill [Line Items]
Acquisitions		5,200
International Other Regions [Member] \| Alico Transaction [Member]
Goodwill [Line Items]
Acquisitions		$ 1,800