Consolidated Statement of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Interest income
Debt securities	$ 3,043	$ 2,354	$ 8,308	$ 6,865
Loans held for sale	120	172	386	696
Loans	10,158	7,057	25,492	21,353
Equity securities	156	146	519	415
Other interest income	1,017	105	1,526	244
Total interest income	14,494	9,834	36,231	29,573
Interest expense
Deposits	513	99	754	303
Short-term borrowings	158	(7)	175	(28)
Long-term debt	1,553	745	3,325	2,483
Other interest expense	172	88	460	298
Total interest expense	2,396	925	4,714	3,056
Net interest income	12,098	8,909	31,517	26,517
Noninterest income
Deposit and lending-related fees	1,647	1,781	5,191	5,101
Card fees	1,119	1,078	3,260	3,104
Mortgage banking	324	1,259	1,304	3,921
Net gains from trading and securities	872	1,244	1,642	4,852
Other	397	609	1,507	2,283
Total 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
Personnel	8,212	8,690	25,925	27,066
Technology, telecommunications and equipment	798	741	2,473	2,400
Occupancy	732	738	2,159	2,243
Operating losses	2,218	540	3,467	1,056
Professional and outside services	1,235	1,417	3,831	4,255
Advertising and promotion	126	153	327	375
Restructuring charges	0	1	5	10
Other	1,006	1,023	2,893	3,228
Total 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	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
Less: Preferred stock dividends and other	278	335	836	1,012
Wells Fargo net income applicable to common stock	$ 3,250	$ 4,787	$ 9,482	$ 14,786
Per share information
Earnings per common share (in dollars per share)	$ 0.86	$ 1.18	$ 2.49	$ 3.60
Diluted earnings per common share (in dollars per share)	$ 0.85	$ 1.17	$ 2.47	$ 3.57
Average common shares outstanding (in shares)	3,796.5	4,056.3	3,807.0	4,107.1
Diluted average common shares outstanding (in shares)	3,825.1	4,090.4	3,838.5	4,140.0
Investment advisory and other asset-based fees [Member]
Noninterest income
Fee income	$ 2,111	$ 2,882	$ 6,955	$ 8,432
Commissions and brokerage services fees [Member]
Noninterest income
Fee income	562	525	1,641	1,741
Investment banking fees [Member]
Noninterest income
Fee income	$ 375	$ 547	$ 1,108	$ 1,685