Securitizations and Variable Interest Entities, Secured Borrowing and Consolidated Variable Interest Entity (Details) - USD ($) $ in Millions		Jun. 30, 2015	Dec. 31, 2014
Variable Interest Entity [Line Items]
Assets	[1]	$ 1,720,617	$ 1,687,155
Liabilities	[2]	(1,529,941)	(1,501,893)
Noncontrolling interests		(1,118)	(868)
Total secured borrowings [Member]
Variable Interest Entity [Line Items]
Total VIE assets		7,940	10,476
Total secured borrowings [Member] | Municipal tender option bond securitizations [Member]
Variable Interest Entity [Line Items]
Total VIE assets		3,428	5,422
Total secured borrowings [Member] | Commercial real estate loans [Member]
Variable Interest Entity [Line Items]
Total VIE assets		2	250
Total secured borrowings [Member] | Residential mortgage securitizations [Member]
Variable Interest Entity [Line Items]
Total VIE assets		4,510	4,804
Consolidated VIEs [Member]
Variable Interest Entity [Line Items]
Total VIE assets		6,831	6,423
Assets		6,218	5,817
Liabilities		(1,534)	(1,677)
Noncontrolling interests		(105)	(103)
Net assets		4,579	4,037
Consolidated VIEs [Member] | Commercial real estate loans [Member]
Variable Interest Entity [Line Items]
Total VIE assets		1,050
Assets		1,050
Liabilities		0
Noncontrolling interests		0
Net assets		1,050
Consolidated VIEs [Member] | Nonconforming residential mortgage loan securitizations [Member]
Variable Interest Entity [Line Items]
Total VIE assets		4,585	5,041
Consolidated VIEs [Member] | Structured asset finance [Member]
Variable Interest Entity [Line Items]
Total VIE assets		90	47
Consolidated VIEs [Member] | Investment funds [Member]
Variable Interest Entity [Line Items]
Total VIE assets		715	904
Consolidated VIEs [Member] | Other securitizations and transactions [Member]
Variable Interest Entity [Line Items]
Total VIE assets		391	431
Total secured borrowings and consolidated VIEs [Member]
Variable Interest Entity [Line Items]
Total VIE assets		14,771	16,899
Carrying value [Member] | Total secured borrowings [Member]
Variable Interest Entity [Line Items]
Assets		7,655	10,132
Liabilities		(6,632)	(8,132)
Noncontrolling interests		0	0
Net assets		1,023	2,000
Carrying value [Member] | Total secured borrowings [Member] | Municipal tender option bond securitizations [Member]
Variable Interest Entity [Line Items]
Assets		2,945	4,837
Liabilities		(2,020)	(3,143)
Noncontrolling interests		0	0
Net assets		925	1,694
Carrying value [Member] | Total secured borrowings [Member] | Commercial real estate loans [Member]
Variable Interest Entity [Line Items]
Assets		2	250
Liabilities		0	(63)
Noncontrolling interests		0	0
Net assets		2	187
Carrying value [Member] | Total secured borrowings [Member] | Residential mortgage securitizations [Member]
Variable Interest Entity [Line Items]
Assets		4,708	5,045
Liabilities		(4,612)	(4,926)
Noncontrolling interests		0	0
Net assets		96	119
Carrying value [Member] | Consolidated VIEs [Member]
Variable Interest Entity [Line Items]
Assets		6,218	5,817
Liabilities		(1,534)	(1,677)
Noncontrolling interests		(105)	(103)
Net assets		4,579	4,037
Carrying value [Member] | Consolidated VIEs [Member] | Nonconforming residential mortgage loan securitizations [Member]
Variable Interest Entity [Line Items]
Assets		4,065	4,491
Liabilities		(1,370)	(1,509)
Noncontrolling interests		0	0
Net assets		2,695	2,982
Carrying value [Member] | Consolidated VIEs [Member] | Structured asset finance [Member]
Variable Interest Entity [Line Items]
Assets		46	47
Liabilities		(42)	(23)
Noncontrolling interests		0	0
Net assets		4	24
Carrying value [Member] | Consolidated VIEs [Member] | Investment funds [Member]
Variable Interest Entity [Line Items]
Assets		715	904
Liabilities		(1)	(2)
Noncontrolling interests		0	0
Net assets		714	902
Carrying value [Member] | Consolidated VIEs [Member] | Other securitizations and transactions [Member]
Variable Interest Entity [Line Items]
Assets		342	375
Liabilities		(121)	(143)
Noncontrolling interests		(105)	(103)
Net assets		116	129
Carrying value [Member] | Total secured borrowings and consolidated VIEs [Member]
Variable Interest Entity [Line Items]
Assets		13,873	15,949
Liabilities		(8,166)	(9,809)
Noncontrolling interests		(105)	(103)
Net assets		$ 5,602	$ 6,037

[1] 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.

[2] 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.