XML 22 R55.htm IDEA: XBRL DOCUMENT

Securities Available for Sale, Other-Than-Temporary Impairment (OTTI), Included in Earnings (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities [Abstract]
Securities available for sale	$ 39	$ 112	$ 172	$ 381
Nonmarketable equity securities	33	32	85	89
Total OTTI write-downs included in earnings	72	144	257	470
Debt Securities [Member]
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities [Abstract]
Securities available for sale	36	96	163	365
US States and Political Subdivisions [Member]
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities [Abstract]
Securities available for sale	0	0	9	2
Residential [Member]
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities [Abstract]
Securities available for sale	17	35	65	241
Commercial [Member]
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities [Abstract]
Securities available for sale	8	52	41	75
Corporate debt securities [Member]
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities [Abstract]
Securities available for sale	5	0	9	0
Collateralized debt obligations [Member]
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities [Abstract]
Securities available for sale	0	1	1	1
Other Debt Securities [Member]
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities [Abstract]
Securities available for sale	6	8	38	46
Equity Securities [Member]
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities [Abstract]
Securities available for sale	3	16	9	16
Perpetual preferred securities [Member]
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities [Abstract]
Securities available for sale	2	0	8	0
Other equity securities [Member]
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities [Abstract]
Securities available for sale	$ 1	$ 16	$ 1	$ 16

The amount of other than temporary impairment losses on investments in debt and equity securities categorized as Available-for-sale which have been recognized in earnings during the period. Such impairment losses consist of other than temporary impairments (OTTI) on equity securities, credit losses on investments in debt securities, and when the entity intends to sell an impaired debt security or it is more likely than not that the entity will be required to sell the impaired debt security before recovery of its amortized cost basis.

+ References+ Details