Consolidated Statement of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Interest income
Debt securities	$ 2,563	$ 2,312
Loans held for sale	140	331
Loans	7,218	7,201
Equity securities	170	137
Other interest income	90	65
Total interest income	10,181	10,046
Interest expense
Deposits	83	112
Short-term borrowings	(14)	(9)
Long-term debt	761	1,026
Other interest expense	130	109
Total interest expense	960	1,238
Net interest income	9,221	8,808
Noninterest income
Deposit and lending-related fees	1,815	1,616
Card fees	1,029	949
Mortgage banking	693	1,326
Net gains from trading and securities	796	891
Other	556	982
Total noninterest income	8,371	9,724
Total revenue	17,592	18,532
Provision for credit losses	(787)	(1,048)
Noninterest expense
Personnel	9,271	9,558
Technology, telecommunications and equipment	876	844
Occupancy	722	770
Operating losses	673	213
Professional and outside services	1,286	1,388
Advertising and promotion	99	90
Restructuring charges	5	13
Other	938	1,113
Total noninterest expense	13,870	13,989
Income before income tax expense	4,509	5,591
Income tax expense (benefit)	707	901
Net income before noncontrolling interests	3,802	4,690
Less: Net income from noncontrolling interests	131	54
Wells Fargo net income	3,671	4,636
Less: Preferred stock dividends and other	278	380
Wells Fargo net income applicable to common stock	$ 3,393	$ 4,256
Per share information
Earnings per common share (in dollars per share)	$ 0.89	$ 1.03
Diluted earnings per common share (in dollars per share)	$ 0.88	$ 1.02
Average common shares outstanding (in shares)	3,831.1	4,141.3
Diluted average common shares outstanding (in shares)	3,868.9	4,171.0
Investment advisory and other asset-based fees [Member]
Noninterest income
Fee income	$ 2,498	$ 2,756
Commissions and brokerage services fees [Member]
Noninterest income
Fee income	537	636
Investment banking fees [Member]
Noninterest income
Fee income	$ 447	$ 568