Operating Segments (Details) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2022 USD ($)		Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($)		Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Segment Reporting Information [Line Items]
Number of reportable operating segments				4
Financial Information of Operating Segment [Abstract]
Net interest income	$ 12,098		$ 8,909	$ 31,517		$ 26,517
Noninterest Income	7,407		9,925	22,608		31,119
Total revenue	19,505		18,834	54,125		57,636
Provision for credit losses	784		(1,395)	577		(3,703)
Noninterest expense	14,327		13,303	41,080		40,633
Income before income tax expense	4,394		6,926	12,468		20,706
Income tax expense (benefit)	894		1,521	2,214		3,867
Net income before noncontrolling interests	3,500		5,405	10,254		16,839
Less: Net income (loss) from noncontrolling interests	(28)		283	(64)		1,041
Wells Fargo net income	3,528		5,122	10,318		15,798
Loans (average)	945,465		854,024	923,520		860,666
Assets (average)	1,880,690		1,949,700	1,900,743		1,941,391
Deposits (average)	1,407,851		1,450,941	1,439,033		1,426,956
Loans (period-end)	945,906		862,827	945,906		862,827	$ 895,394
Assets	1,877,745	[1]	1,954,901	1,877,745	[1]	1,954,901	1,948,068	[1]
Deposits (period-end)	1,398,151		1,470,379	1,398,151		1,470,379	$ 1,482,479
Corporate [Member]
Financial Information of Operating Segment [Abstract]
Net interest income	(248)		(427)	(1,685)		(1,121)
Noninterest Income	284		1,752	976		6,496
Total revenue	36		1,325	(709)		5,375
Provision for credit losses	(5)		(9)	(10)		54
Noninterest expense	1,347		1,140	2,751		3,371
Income before income tax expense	(1,306)		194	(3,450)		1,950
Income tax expense (benefit)	(189)		110	(658)		58
Net income before noncontrolling interests	(1,117)		84	(2,792)		1,892
Less: Net income (loss) from noncontrolling interests	(31)		281	(73)		1,038
Wells Fargo net income	(1,086)		(197)	(2,719)		854
Loans (average)	9,112		9,765	9,163		10,021
Assets (average)	617,713		762,067	648,966		748,236
Deposits (average)	24,386		37,302	23,909		41,796
Loans (period-end)	9,096		9,589	9,096		9,589
Assets	615,408		751,155	615,408		751,155
Deposits (period-end)	34,993		37,507	34,993		37,507
Reconciling Items [Member]
Financial Information of Operating Segment [Abstract]
Net interest income	(105)		(105)	(320)		(321)
Noninterest Income	(380)		(269)	(1,194)		(852)
Total revenue	(485)		(374)	(1,514)		(1,173)
Provision for credit losses	0		0	0		0
Noninterest expense	0		0	0		0
Income before income tax expense	(485)		(374)	(1,514)		(1,173)
Income tax expense (benefit)	(485)		(374)	(1,514)		(1,173)
Net income before noncontrolling interests	0		0	0		0
Less: Net income (loss) from noncontrolling interests	0		0	0		0
Wells Fargo net income	0		0	0		0
Loans (average)	0		0	0		0
Assets (average)	0		0	0		0
Deposits (average)	0		0	0		0
Loans (period-end)	0		0	0		0
Assets	0		0	0		0
Deposits (period-end)	0		0	0		0
Consumer Banking and Lending [Member] | Operating Segments [Member]
Financial Information of Operating Segment [Abstract]
Net interest income	7,102		5,707	19,470		16,940
Noninterest Income	2,175		3,097	6,877		9,204
Total revenue	9,277		8,804	26,347		26,144
Provision for credit losses	917		(518)	1,340		(1,304)
Noninterest expense	6,758		6,053	19,189		18,522
Income before income tax expense	1,602		3,269	5,818		8,926
Income tax expense (benefit)	401		818	1,454		2,233
Net income before noncontrolling interests	1,201		2,451	4,364		6,693
Less: Net income (loss) from noncontrolling interests	0		0	0		0
Wells Fargo net income	1,201		2,451	4,364		6,693
Loans (average)	335,644		325,557	330,557		336,743
Assets (average)	379,672		378,665	377,929		391,835
Deposits (average)	888,037		848,419	889,366		824,752
Loans (period-end)	337,352		325,918	337,352		325,918
Assets	380,755		379,564	380,755		379,564
Deposits (period-end)	886,991		858,424	886,991		858,424
Consumer Banking and Lending [Member] | Operating Segments [Member] | Maximum [Member] | Customer concentration risk [Member] | Revenue benchmark [Member]
Segment Reporting Information [Line Items]
Revenue				10
Commercial Banking [Member] | Operating Segments [Member]
Financial Information of Operating Segment [Abstract]
Net interest income	1,991		1,231	4,932		3,687
Noninterest Income	961		845	2,839		2,578
Total revenue	2,952		2,076	7,771		6,265
Provision for credit losses	(168)		(335)	(491)		(1,116)
Noninterest expense	1,526		1,396	4,535		4,469
Income before income tax expense	1,594		1,015	3,727		2,912
Income tax expense (benefit)	409		254	938		727
Net income before noncontrolling interests	1,185		761	2,789		2,185
Less: Net income (loss) from noncontrolling interests	3		2	9		5
Wells Fargo net income	1,182		759	2,780		2,180
Loans (average)	208,997		178,622	201,857		180,096
Assets (average)	230,934		196,192	223,312		196,990
Deposits (average)	180,231		199,226	189,664		193,761
Loans (period-end)	214,585		180,539	214,585		180,539
Assets	239,588		200,204	239,588		200,204
Deposits (period-end)	172,727		204,853	172,727		204,853
Corporate and Investment Banking [Member] | Operating Segments [Member]
Financial Information of Operating Segment [Abstract]
Net interest income	2,270		1,866	6,317		5,428
Noninterest Income	1,790		1,519	4,786		4,899
Total revenue	4,060		3,385	11,103		10,327
Provision for credit losses	32		(460)	(226)		(1,245)
Noninterest expense	1,900		1,797	5,723		5,435
Income before income tax expense	2,128		2,048	5,606		6,137
Income tax expense (benefit)	536		518	1,420		1,531
Net income before noncontrolling interests	1,592		1,530	4,186		4,606
Less: Net income (loss) from noncontrolling interests	0		0	0		(2)
Wells Fargo net income	1,592		1,530	4,186		4,608
Loans (average)	306,240		257,295	296,557		251,996
Assets (average)	560,509		524,124	558,773		516,401
Deposits (average)	156,830		189,424	163,578		191,560
Loans (period-end)	299,693		263,957	299,693		263,957
Assets	550,695		535,385	550,695		535,385
Deposits (period-end)	154,550		191,786	154,550		191,786
Wealth and Investment Management [Member] | Operating Segments [Member]
Financial Information of Operating Segment [Abstract]
Net interest income	1,088		637	2,803		1,904
Noninterest Income	2,577		2,981	8,324		8,794
Total revenue	3,665		3,618	11,127		10,698
Provision for credit losses	8		(73)	(36)		(92)
Noninterest expense	2,796		2,917	8,882		8,836
Income before income tax expense	861		774	2,281		1,954
Income tax expense (benefit)	222		195	574		491
Net income before noncontrolling interests	639		579	1,707		1,463
Less: Net income (loss) from noncontrolling interests	0		0	0		0
Wells Fargo net income	639		579	1,707		1,463
Loans (average)	85,472		82,785	85,386		81,810
Assets (average)	91,862		88,652	91,763		87,929
Deposits (average)	158,367		176,570	172,516		175,087
Loans (period-end)	85,180		82,824	85,180		82,824
Assets	91,299		88,593	91,299		88,593
Deposits (period-end)	$ 148,890		$ 177,809	$ 148,890		$ 177,809

[1] Our consolidated assets at September 30, 2022, and December 31, 2021, included the following assets of certain variable interest entities (VIEs) that can only be used to settle the liabilities of those VIEs: Debt securities, $71 million and $71 million; Loans, $4.6 billion and $4.5 billion; All other assets, $172 million and $234 million; and Total assets, $4.8 billion and $4.8 billion, respectively.