Consolidated Statement of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Interest income
Debt securities	$ 4,630	$ 4,178	$ 13,362	$ 11,998
Loans held for sale	129	87	376	278
Loans	14,618	14,755	43,897	42,188
Equity securities	156	152	502	516
Other interest income	3,465	2,921	10,585	7,299
Total interest income	22,998	22,093	68,722	62,279
Interest expense
Deposits	6,445	4,608	18,405	11,174
Short-term borrowings	1,435	1,133	4,030	2,664
Long-term debt	3,163	3,039	9,676	8,243
Other interest expense	265	208	771	594
Total interest expense	11,308	8,988	32,882	22,675
Net interest income	11,690	13,105	35,840	39,604
Noninterest income
Deposit and lending-related fees	1,675	1,551	4,890	4,572
Card fees	1,096	1,098	3,258	3,229
Mortgage banking	280	193	753	627
Net gains (losses) from trading and securities	1,248	1,246	4,217	3,263
Other	596	381	1,925	1,373
Total noninterest income	8,676	7,752	26,078	22,515
Total revenue	20,366	20,857	61,918	62,119
Provision for credit losses	1,065	1,197	3,239	4,117
Noninterest expense
Personnel	8,591	8,627	26,658	26,648
Technology, telecommunications and equipment	1,142	975	3,301	2,844
Occupancy	786	724	2,263	2,144
Operating losses	293	329	1,419	828
Professional and outside services	1,130	1,310	3,370	3,843
Advertising and promotion	205	215	626	553
Other	920	933	3,061	2,916
Total noninterest expense	13,067	13,113	40,698	39,776
Income (loss) before income tax expense	6,234	6,547	17,981	18,226
Income tax expense (benefit)	1,064	811	3,279	2,707
Net income (loss) before noncontrolling interests	5,170	5,736	14,702	15,519
Net income (loss) from noncontrolling interests	56	(31)	59	(177)
Wells Fargo net income (loss)	5,114	5,767	14,643	15,696
Preferred stock dividends and other	262	317	838	874
Wells Fargo net income (loss) applicable to common stock	$ 4,852	$ 5,450	$ 13,805	$ 14,822
Per share information
Earnings per common share (in dollars per share)	$ 1.43	$ 1.49	$ 3.99	$ 3.99
Diluted earnings per common share (in dollars per share)	$ 1.42	$ 1.48	$ 3.94	$ 3.96
Average common shares outstanding (in shares)	3,384.8	3,648.8	3,464.1	3,710.9
Diluted average common shares outstanding (in shares)	3,425.1	3,680.6	3,503.5	3,741.6
Investment advisory and other asset-based fees [Member]
Noninterest income
Fee income	$ 2,463	$ 2,224	$ 7,209	$ 6,501
Commissions and brokerage services fees [Member]
Noninterest income
Fee income	646	567	1,886	1,756
Investment banking fees [Member]
Noninterest income
Fee income	$ 672	$ 492	$ 1,940	$ 1,194