Components of Other Assets Included in the Consolidated Balance Sheets (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011		Dec. 31, 2010
Deferred Costs Capitalized Prepaid And Other Assets [Line Items]
Derivative instruments	$ 2,356		$ 2,074
Bank Owned Life Insurance	1,742		1,715
Partnership investments	1,413		1,367
Accounts receivable and drafts-in-process	955		1,023
Banker's acceptance	726		369
Investment in FTPS Holding, LLC	576		522
OREO and other repossessed personal property	442		532
Accrued interest receivable	382		413
Prepaid expenses	84		133
Income tax receivable	5		1
Deferred tax asset			13
Other	182		238
Total	$ 8,863	[1]	$ 8,400	[1]

[1] At December 31, 2011 and 2010, includes $30 and $52 of cash, $7 of other short-term investments, $50 and $29 of commercial mortgage loans, $223 and $241 of home equity loans, $259 and $648 of automobile loans, ($10) and ($14) of ALLL, $4 and $7 of other assets, $4 and $12 of other liabilities, $191 and $692 of long-term debt from consolidated VIEs that are included in their respective captions. See Note 11.