Securitizations and Variable Interest Entities Textual (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010
Securitizations and Variable Interest Entities (Textual) [Abstract]
Short-term borrowings included in VIE liabilities	$ 3,300,000,000		$ 3,300,000,000		$ 3,600,000,000
Accrued expenses and other liabilities included in VIE liabilities	603,000,000		603,000,000		645,000,000
Long-term debt included in VIE liabilities	57,000,000		57,000,000		53,000,000
% rated as investment grade	91.00%		91.00%
Lending arrangement by subsidiary	0		0		14,000,000
Investment in a single entity as a percentage of outstanding equity interests.			50.00%
Investment by Majority Owned Subsidiary	1,500,000,000		1,500,000,000		1,400,000,000
Trust Preferred Securities Notice Called During Period, Value			3,400,000,000
Net Gains (Losses) from Sale of Assets Securitizations	32,000,000	6,000,000	66,000,000	8,000,000
Amount transferred related to residential mortgages to unconsolidated VIE	70,900,000,000	82,300,000,000	172,300,000,000	165,700,000,000
Amount of servicing asset at fair value			2,000,000,000	2,000,000,000
Amount of liability for repurchase reserves at fair value			55,000,000	80,000,000
Private placement debt financing	6,000,000,000		6,000,000,000
Collateral pledged to collateralize the borrowings of variable interest entity, loans	6,300,000,000		6,300,000,000
Collateral pledged to collateralize the borrowings of variable interest entity, securities available for sale	360,000,000		360,000,000
Collateral pledged to collateralize the borrowings of variable interest entity, cash and cash equivalents	2,000,000		2,000,000
Legacy Wachovia [Member]
Securitizations and Variable Interest Entities (Textual) [Abstract]
Securities Available for sale Portfolio of ARS issued by VIEs	839,000,000		839,000,000		1,600,000,000
Preferred Stock [Member] | Trust Preferred Securities [Member]
Securitizations and Variable Interest Entities (Textual) [Abstract]
Carrying value - asset (liability)	2,500,000,000		2,500,000,000
Other Investments [Member]
Securitizations and Variable Interest Entities (Textual) [Abstract]
Securities Available for sale Portfolio of ARS issued by VIEs	681,000,000		681,000,000		901,000,000
Junior Subordinated Debt [Member]
Securitizations and Variable Interest Entities (Textual) [Abstract]
Carrying value - asset (liability)	13,200,000,000		13,200,000,000		19,300,000,000
Equity Interests [Member]
Securitizations and Variable Interest Entities (Textual) [Abstract]
Total equity interest	$ 422,000,000		$ 422,000,000		$ 316,000,000