Securitizations and Variable Interest Entities (Details) (USD $) In Millions	Jun. 30, 2011		Dec. 31, 2010		Jun. 30, 2010	Dec. 31, 2009
Variable Interest Entity Consolidated Carrying Amount Assets and Liabilities
Cash	$ 24,059		$ 16,044		$ 17,571	$ 27,080
Trading assets	54,770		51,414
Securities available for sale	186,298		172,654
Mortgages held for sale	31,254		51,763
Loans held for sale net	32,766		53,053
Loans	751,921		757,267
MSRs (carried at fair value)	14,778		14,467
Other assets	91,818		99,781
Total assets	1,259,734	[1]	1,258,128	[1]
Short-term borrowings, Amount	53,881		55,401
Accrued expenses and other liabilities	71,430		69,913
Long-term debt	142,872		156,983
Total liabilities	1,121,818	[2]	1,130,239	[2]
Noncontrolling interests	1,515		1,481
VIEs that we do not consolidate [Member]
Variable Interest Entity Consolidated Carrying Amount Assets and Liabilities
Cash	0		0
Trading assets	4,723		5,351
Securities available for sale	20,338		24,001
Mortgages held for sale	0		0
Loans held for sale net	0
Loans	12,113		12,401
MSRs (carried at fair value)	13,821		13,261
Other assets	4,011		3,783
Total assets	55,006		58,797
Short-term borrowings, Amount	0		0
Accrued expenses and other liabilities	3,497		3,514
Long-term debt	0		0
Total liabilities	3,497		3,514
Noncontrolling interests	0		0
Net assets	51,509		55,283
VIEs that we consolidate [Member]
Variable Interest Entity Consolidated Carrying Amount Assets and Liabilities
Cash	172		200
Trading assets	95		143
Securities available for sale	2,315		2,159
Mortgages held for sale	408		634
Loans held for sale net	135
Loans	13,640		16,708
MSRs (carried at fair value)	0		0
Other assets	1,563		2,071
Total assets	18,328		21,915
Short-term borrowings, Amount	3,339		3,636
Accrued expenses and other liabilities	724		743
Long-term debt	6,277		8,377
Total liabilities	10,340		12,756
Noncontrolling interests	132		94
Net assets	7,856		9,065
Transfers that we account for as secured borrowings [Member]
Variable Interest Entity Consolidated Carrying Amount Assets and Liabilities
Cash	218		398
Trading assets	30		32
Securities available for sale	9,671		7,834
Mortgages held for sale	0		0
Loans held for sale net	0
Loans	1,587		1,613
MSRs (carried at fair value)	0		0
Other assets	100		90
Total assets	11,606		9,967
Short-term borrowings, Amount	9,232		7,773
Accrued expenses and other liabilities	16		14
Long-term debt	1,664		1,700
Total liabilities	10,912		9,487
Noncontrolling interests	0		0
Net assets	694		480
Total VIE [Member]
Variable Interest Entity Consolidated Carrying Amount Assets and Liabilities
Cash	390		598
Trading assets	4,848		5,526
Securities available for sale	32,324		33,994
Mortgages held for sale	408		634
Loans held for sale net	135
Loans	27,340		30,722
MSRs (carried at fair value)	13,821		13,261
Other assets	5,674		5,944
Total assets	84,940		90,679
Short-term borrowings, Amount	12,571		11,409
Accrued expenses and other liabilities	4,237		4,271
Long-term debt	7,941		10,077
Total liabilities	24,749		25,757
Noncontrolling interests	132		94
Net assets	$ 60,059		$ 64,828

[1] Our consolidated assets at June 30, 2011 and December 31, 2010, 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, $172 million and $200 million; Trading assets, $95 million and $143 million; Securities available for sale, $2.3 billion and $2.2 billion; Mortgages held for sale, $408 million and $634 million; Loans held for sale, $135 million and $0; Net loans, $13.6 billion and $16.7 billion; Other assets, $1.6 billion and $2.1 billion, and Total assets, $18.3 billion and $21.9 billion, respectively.

[2] Our consolidated liabilities at June 30, 2011 and December 31, 2010, include the following VIE liabilities for which the VIE creditors do not have recourse to Wells Fargo: Short-term borrowings, $26 million and $7 million; Accrued expenses and other liabilities, $121 million and $98 million; Long-term debt, $6.2 billion and $8.3 billion; and Total liabilities, $6.3 billion and $8.4 billion, respectively.