Loans and Commitments to Extend Credit (Net Unfunded Credit Commitments) (Details) (USD $) In Millions	Jun. 30, 2011		Dec. 31, 2010
Loans and Commitments to Extend Credit [Abstract]
Commercial and commercial real estate	$ 62,834		$ 59,256
Home equity lines of credit	18,994		19,172
Credit card	15,206		14,725
Other	2,757		2,652
Total	$ 99,791	[1]	$ 95,805	[1]

[1] Excludes standby letters of credit. See Note 17 Commitments and Guarantees for additional information on standby letters of credit.