Consolidated Statement of Changes in Equity and Comprehensive Income (Unaudited) (USD $) In Millions, except Share data	Total	Total Wells Fargo stockholders' equity	Preferred stock	Common stock	Additional paid-in capital	Retained earnings	Cumulative other comprehensive income	Treasury stock	Unearned ESOP shares	Noncontrolling interests
Beginning Balance at Dec. 31, 2009	$ 114,359	$ 111,786	$ 8,485	$ 8,743	$ 52,878	$ 41,563	$ 3,009	$ (2,450)	$ (442)	$ 2,573
Shares, Beginning Balance at Dec. 31, 2009			9,980,940	5,178,624,593
Cumulative effect from change in accounting for VIE's	183	183				183
Comprehensive income:
Net income	5,609	5,609				5,609
Noncontrolling interests	136									136
Other comprehensive income, net of tax:
Translation adjustments	(14)	(13)					(13)			(1)
Net unrealized gains on securities available for sale, net of reclassification of, $134 million and $114 million in 2010 and 2011 respectively, of net gains included in income	1,683	1,672					1,672			11
Net unrealized gains on derivatives and hedging activities, net of reclassification of, $204 million and $27 million in 2010 and 2011 respectively, net gains on cash flow hedges included in net income	144	144					144
Unamortized gains under defined benefit plans, net of amortization	32	32					32
Total comprehensive income	7,590	7,444								146
Noncontrolling interests	(1,076)	17			17					(1,093)
Common stock issued	865	865			21	(338)		1,182
Common stock issued, shares				37,142,817
Common stock repurchased	(68)	(68)						(68)
Common stock repurchased, shares				(2,206,165)
Preferred stock issued to ESOP			1,000		80				(1,080)
Preferred stock issued to ESOP, shares			1,000,000
Preferred stock released by ESOP	505	505			(40)				545
Preferred stock converted to common shares			(505)		(62)			567
Preferred stock converted to common shares, shares			(504,847)	17,834,436
Common stock warrants repurchased	(540)	(540)			(540)
Common stock dividends	(520)	(520)			2	(522)
Preferred stock dividends	(369)	(369)				(369)
Tax benefit upon exercise of stock options	76	76			76
Stock incentive compensation expense	279	279			279
Net change in deferred compensation and related plans	114	114			(24)			138
Net change	7,039	7,986	495		(191)	4,563	1,835	1,819	(535)	(947)
Net change, shares			495,153	52,771,088
Ending Balance at Jun. 30, 2010	121,398	119,772	8,980	8,743	52,687	46,126	4,844	(631)	(977)	1,626
Shares, Ending Balance at Jun. 30, 2010			10,476,093	5,231,395,681
Beginning Balance at Dec. 31, 2010	127,889	126,408	8,689	8,787	53,426	51,918	4,738	(487)	(663)	1,481
Shares, Beginning Balance at Dec. 31, 2010			10,185,303	5,262,283,228
Comprehensive income:
Net income	7,707	7,707				7,707
Noncontrolling interests	179									179
Other comprehensive income, net of tax:
Translation adjustments	18	18					18
Net unrealized gains on securities available for sale, net of reclassification of, $134 million and $114 million in 2010 and 2011 respectively, of net gains included in income	744	748					748			(4)
Net unrealized gains on derivatives and hedging activities, net of reclassification of, $204 million and $27 million in 2010 and 2011 respectively, net gains on cash flow hedges included in net income	(110)	(110)					(110)
Unamortized gains under defined benefit plans, net of amortization	28	28					28
Total comprehensive income	8,566	8,391								175
Noncontrolling interests	(183)	(42)			(42)					(141)
Common stock issued	801	801		53	748
Common stock issued, shares				31,512,347
Common stock repurchased	(1,072)	(1,072)						(1,072)
Common stock repurchased, shares				(37,090,733)
Preferred stock issued to ESOP			1,200		102				(1,302)
Preferred stock issued to ESOP, shares			1,200,000
Preferred stock released by ESOP	660	660			(56)				716
Preferred stock converted to common shares			(660)	36	624
Preferred stock converted to common shares, shares			(659,999)	21,466,952
Common stock warrants repurchased	0
Preferred stock, Amount	2,501	2,501	2,501
Preferred stock, shares issued			25,010
Common stock dividends	(1,269)	(1,269)			10	(1,279)
Preferred stock dividends	(409)	(404)				(404)
Tax benefit upon exercise of stock options	62	62			62
Stock incentive compensation expense	376	376			376
Net change in deferred compensation and related plans	(11)	(11)			(24)			13
Net change	10,027	9,993	3,041	89	1,800	6,024	684	(1,059)	(586)	34
Net change, shares			565,011	15,888,566
Ending Balance at Jun. 30, 2011	$ 137,916	$ 136,401	$ 11,730	$ 8,876	$ 55,226	$ 57,942	$ 5,422	$ (1,546)	$ (1,249)	$ 1,515
Shares, Ending Balance at Jun. 30, 2011			10,750,314	5,278,171,794