Consolidated Statement of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Wells Fargo net income	$ 5,519	$ 4,622	$ 10,690	$ 8,870
Foreign currency translation adjustments:
Net unrealized losses arising during the period, Before tax	(21)	(56)	(39)	(46)
Reclassification of net gains to net income, Before tax	(15)	(10)	(15)	(10)
Securities available for sale:
Net unrealized gains (losses) arising during the period, Before tax	(6,130)	831	(6,764)	2,705
Reclassification of net (gains) losses to net income, Before tax	30	(23)	(83)	(249)
Derivatives and hedging activities:
Net unrealized gains arising during the period, Before tax	(10)	(3)	(3)	39
Reclassification of net gains on cash flow hedges to net income, Before tax	(69)	(99)	(156)	(206)
Defined benefit plans adjustments:
Net actuarial gains (losses) arising during the period, Before tax	772	(12)	778	(17)
Amortization of net actuarial loss, settlements and other costs to net income, Before tax	113	40	162	76
Other comprehensive income (loss), Before tax	(5,330)	668	(6,120)	2,292
Income tax (expense) benefit related to other comprehensive income	1,979	(255)	2,267	(866)
Other comprehensive income (loss), Net of tax	(3,351)	413	(3,853)	1,426
Less: Other comprehensive income (loss) from noncontrolling interests	(3)	0	0	4
Wells Fargo other comprehensive income (loss), net of tax	(3,348)	413	(3,853)	1,422
Total comprehensive income	2,257	5,134	6,975	10,467
Total Wells Fargo stockholders' equity [Member]
Wells Fargo net income	5,519	4,622	10,690	8,870
Defined benefit plans adjustments:
Wells Fargo other comprehensive income (loss), net of tax	(3,348)	413	(3,853)	1,422
Wells Fargo Comprehensive Income	2,171	5,035	6,837	10,292
Noncontrolling interests [Member]
Defined benefit plans adjustments:
Less: Other comprehensive income (loss) from noncontrolling interests	(3)	0	0	4
Comprehensive income from noncontrolling interests	$ 86	$ 99	$ 138	$ 175