Consolidated Statement of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement of Comprehensive Income [Abstract]
Wells Fargo net income	$ 5,719	$ 5,726	$ 11,523	$ 11,619
Investment securities:
Net unrealized gains (losses) arising during the period	(1,969)	2,085	(1,576)	4,810
Reclassification of net gains to net income	(218)	(150)	(518)	(544)
Derivatives and hedging activities:
Net unrealized gains (losses) arising during the period	(488)	212	464	256
Reclassification of net gains on cash flow hedges to net income	(268)	(115)	(502)	(221)
Defined benefit plans adjustments:
Net actuarial losses arising during the period	0	(12)	(11)	(12)
Amortization of net actuarial loss, settlements and other to net income	30	20	73	38
Foreign currency translation adjustments:
Net unrealized gains (losses) arising during the period	10	17	(45)	0
Reclassification of net losses to net income	0	0	0	6
Other comprehensive income (loss), before tax	(2,903)	2,057	(2,115)	4,333
Income tax (expense) benefit related to other comprehensive income	1,040	(816)	812	(1,647)
Other comprehensive income (loss), net of tax	(1,863)	1,241	(1,303)	2,686
Less: Other comprehensive income (loss) from noncontrolling interests	(154)	(124)	147	(45)
Wells Fargo other comprehensive income (loss), net of tax	(1,709)	1,365	(1,450)	2,731
Wells Fargo comprehensive income	4,010	7,091	10,073	14,350
Comprehensive income (loss) from noncontrolling interests	(87)	(64)	294	197
Total comprehensive income	$ 3,923	$ 7,027	$ 10,367	$ 14,547