Goodwill and Other Intangibles (Details) (USD $) In Millions	3 Months Ended	9 Months Ended
Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010	Dec. 31, 2010
Goodwill and other intangibles (Textuals) [Abstract]
Goodwill	$ 186		$ 186		$ 186
Impairment charges of Goodwill		22
Amortizable intangible assets related to property and casualty insurance acquisitions	40		40		49
Amortization of intangible assets	3	3	9	9
Accumulated amortization	44		44		35
Non-amortizable intangible assets related to insurance licenses	$ 8		$ 8

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