Condensed Consolidating Financial Statements, Balance Sheet (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012		Dec. 31, 2011		Sep. 30, 2011	Dec. 31, 2010
Assets
Securities available for sale	$ 229,350		$ 222,613
Loans	782,630		769,631
Allowance for loan losses	(17,385)		(19,372)		(20,039)
Net loans	765,245		750,259
Total assets	1,374,715	[1]	1,313,867	[1]
Liabilities and equity
Deposits	952,239		920,070
Short-term borrowings	51,957		49,091
Accrued expenses and other liabilities	83,659		77,665
Long-term debt	130,801		125,354
Total liabilities	1,218,656	[2]	1,172,180	[2]
Parent, WFFI, other and Wells Fargo stockholders' equity	154,679		140,241
Noncontrolling interests	1,380		1,446
Total equity	156,059		141,687		139,244	127,889
Total liabilities and equity	$ 1,374,715		$ 1,313,867

[1] Our consolidated assets at September 30, 2012, and December 31, 2011, include the following assets of certain variable interest entities (VIEs) that can only be used to settle the liabilities of those VIEs: Cash and due from banks, $264 million and $321 million; Trading assets, $520 million and $293 million; Securities available for sale, $2.7 billion and $3.3 billion; Mortgages held for sale, $602 million and $444 million; Net loans, $10.8 billion and $12.0 billion; Other assets, $502 million and $1.9 billion, and Total assets, $15.5 billion and $18.2 billion, respectively.

[2] Our consolidated liabilities at September 30, 2012, and December 31, 2011, include the following VIE liabilities for which the VIE creditors do not have recourse to Wells Fargo: Short-term borrowings, $0 and $24 million; Accrued expenses and other liabilities, $128 million and $175 million; Long-term debt, $3.9 billion and $4.9 billion; and Total liabilities, $4.0 billion and $5.1 billion, respectively.