Legal Actions (Details) (USD $)	6 Months Ended
	Jun. 30, 2011
Liability for Contingent Litigation Losses [Member]
Legal Actions (Textual) [Abstract]
Loss Contingency, Range of Possible Loss, Portion Not Accrued	$ 1,600,000,000
Erisa Litigation [Member]
Legal Actions (Textual) [Abstract]
Amounts to be paid in connection with legal or regulatory matters	17,500,000
Wells Fargo Mortgage-Backed Certificates Litigation [Member]
Legal Actions (Textual) [Abstract]
Amounts to be paid in connection with legal or regulatory matters	125,000,000
Mortgage Related Regulatory Investigations [Member]
Legal Actions (Textual) [Abstract]
Amounts to be paid in connection with legal or regulatory matters	85,000,000
Wachovia Equity Securities and Bonds Notes Litigation [Member]
Legal Actions (Textual) [Abstract]
Amounts to be paid in connection with legal or regulatory matters	$ 590,000,000