Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Supplemental Income Statement Elements [Abstract]
Net income (loss) before noncontrolling interests	$ 5,170	$ 5,736	$ 14,702	$ 15,519
Other comprehensive income (loss), after tax:
Net change in debt securities	3,274	(1,989)	2,739	(1,935)
Net change in derivatives and hedging activities	994	(407)	419	(639)
Defined benefit plans adjustments	21	21	63	63
Other	60	(59)	(13)	(2)
Other comprehensive income (loss), after tax	4,349	(2,434)	3,208	(2,513)
Total comprehensive income (loss) before noncontrolling interests	9,519	3,302	17,910	13,006
Other comprehensive income (loss) from noncontrolling interests	0	2	0	2
Net income (loss) from noncontrolling interests	56	(31)	59	(177)
Wells Fargo comprehensive income (loss)	$ 9,463	$ 3,331	$ 17,851	$ 13,181