Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Supplemental Income Statement Elements [Abstract]
Net income before noncontrolling interests	$ 3,802	$ 4,690
Other comprehensive income (loss), net of tax:
Net change in debt securities	(5,148)	(1,525)
Net change in derivatives and hedging activities	20	36
Defined benefit plans adjustments	72	35
Other	(9)	11
Other comprehensive loss, after tax	(5,065)	(1,443)
Total comprehensive income (loss) before noncontrolling interests	(1,263)	3,247
Less: Other comprehensive income from noncontrolling interests	0	1
Less: Net income from noncontrolling interests	131	54
Wells Fargo comprehensive income (loss)	$ (1,394)	$ 3,192