Impacts of Derivative Financial Instruments on the Consolidated Statements of Income/(Loss) and the Consolidated Statements of Shareholders' Equity (Parenthetical) (Detail) (Cash Flow Hedging, USD $) In Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2011		Jun. 30, 2010		Jun. 30, 2011		Jun. 30, 2010
Reclassified in pre-tax gains from AOCI into net interest income	$ 105	[1]	$ 124	[2]	$ 218	[1]	$ 251	[2]
Interest Income (Expense), Net
Reclassified in pre-tax gains from AOCI into net interest income	$ 49		$ 24		$ 90		$ 53

[1] During the three and six months ended June 30, 2011, the Company reclassified $49 million and $90 million, respectively, in pre-tax gains from AOCI into net interest income. These gains related to hedging relationships that have been previously terminated or de-designated.

[2] During the three and six months ended June 30, 2010, the Company reclassified $24 million and $53 million, respectively, in pre-tax gains from AOCI into net interest income. These gains related to hedging relationships that have been previously terminated or de-designated.