Contingent Liabilities and Guarantees (Tables)

3 Months Ended

Mar. 31, 2012

Contingent Liabilities and Guarantees [Abstract]

Guarantees

March 31, 2012 in millions	Maximum Potential   Undiscounted   Future Payments		Liability   Recorded
Financial guarantees:
Standby letters of credit	$	10,213	$	56
Recourse agreement with FNMA		913		10
Return guarantee agreement with LIHTC investors		49		49
Written put options (a)		2,004		41
Default guarantees		26		1
Total	$	13,205	$	157

(a)   The maximum potential undiscounted future payments represent notional amounts of derivatives qualifying as guarantees.