Securitizations and Variable Interest Entities (Details) - USD ($) $ in Millions		Jun. 30, 2015		Dec. 31, 2014	Jun. 30, 2014	Dec. 31, 2013
Variable Interest Entity Consolidated Carrying Amount Assets and Liabilities
Cash		$ 19,687		$ 19,571	$ 20,635	$ 19,919
Trading assets		80,236		78,255
Investment securities		340,982		313,801
Loans		888,459	[1]	862,551
Mortgage servicing rights		12,661		12,738
Other assets		96,585	[1]	99,057
Total assets	[2]	1,720,617		1,687,155
Short-term borrowings		82,963		63,518
Accrued expenses and other liabilities		81,399		86,122
Long-term debt		179,751		183,943
Total liabilities	[3]	1,529,941		1,501,893
Noncontrolling interests		1,118		868
VIEs that we do not consolidate [Member]
Variable Interest Entity Consolidated Carrying Amount Assets and Liabilities
Cash		0		0
Trading assets		1,767		2,165
Investment securities		14,899		18,271
Loans		10,811		13,195
Mortgage servicing rights		12,648		12,562
Other assets		8,561		7,456
Total assets		48,686		53,649
Short-term borrowings		0		0
Accrued expenses and other liabilities		829		848
Long-term debt		2,883		2,585
Total liabilities		3,712		3,433
Noncontrolling interests		0		0
Net assets		44,974		50,216
VIEs that we consolidate [Member]
Variable Interest Entity Consolidated Carrying Amount Assets and Liabilities
Cash		122		117
Trading assets		1		0
Investment securities		690		875
Loans		5,103		4,509
Mortgage servicing rights		0		0
Other assets		302		316
Total assets		6,218		5,817
Short-term borrowings		0		0
Accrued expenses and other liabilities		60		49
Long-term debt		1,474		1,628
Total liabilities		1,534		1,677
Noncontrolling interests		105		103
Net assets		4,579		4,037
Transfers that we account for as secured borrowings [Member]
Variable Interest Entity Consolidated Carrying Amount Assets and Liabilities
Cash		2		4
Trading assets		202		204
Investment securities		2,687		4,592
Loans		4,708		5,280
Mortgage servicing rights		0		0
Other assets		56		52
Total assets		7,655		10,132
Short-term borrowings		2,019		3,141
Accrued expenses and other liabilities		1		1
Long-term debt		4,612		4,990
Total liabilities		6,632		8,132
Noncontrolling interests		0		0
Net assets		1,023		2,000
Total VIE [Member]
Variable Interest Entity Consolidated Carrying Amount Assets and Liabilities
Cash		124		121
Trading assets		1,970		2,369
Investment securities		18,276		23,738
Loans		20,622		22,984
Mortgage servicing rights		12,648		12,562
Other assets		8,919		7,824
Total assets		62,559		69,598
Short-term borrowings		2,019		3,141
Accrued expenses and other liabilities		890		898
Long-term debt		8,969		9,203
Total liabilities		11,878		13,242
Noncontrolling interests		105		103
Net assets		$ 50,576		$ 56,253

[1] Parenthetical amounts represent assets and liabilities for which we have elected the fair value option.

[2] Our consolidated assets at June 30, 2015, and December 31, 2014, 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, $122 million and $117 million; Trading assets, $1 million and $0 million; Investment securities, $690 million and $875 million; Net loans, $5.1 billion and $4.5 billion; Other assets, $302 million and $316 million, and Total assets, $6.2 billion and $5.8 billion, respectively.

[3] Our consolidated liabilities at June 30, 2015, and December 31, 2014, include the following VIE liabilities for which the VIE creditors do not have recourse to Wells Fargo: Accrued expenses and other liabilities, $60 million and $49 million; Long-term debt, $1.5 billion and $1.6 billion; and Total liabilities, $1.5 billion and $1.7 billion, respectively.