Consolidated Statement of Changes in Equity (Unaudited) - USD ($) $ in Millions		Total	Total Wells Fargo stockholders' equity [Member]	Preferred stock [Member]	Common stock [Member]	Additional paid-in capital [Member]	Retained Earnings [Member]	Cumulative other comprehensive income [Member]	Treasury stock [Member]	Unearned ESOP Shares [Member]	Noncontrolling interests [Member]
Stockholders' Equity Period Increase (Decrease)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance		$ 194,012	$ 192,998	$ 22,214	$ 9,136	$ 60,714	$ 120,866	$ 297	$ (18,867)	$ (1,362)	$ 1,014
Beginning balance at Dec. 31, 2015		193,891	192,998	$ 22,214	$ 9,136	60,714	120,866	297	(18,867)	(1,362)	893
Beginning balance, shares at Dec. 31, 2015				11,259,917	5,092,128,810
Stockholders' Equity Period Increase (Decrease)
Net income		11,020	11,020				11,020
Net income attributable to noncontrolling interests		67									67
Net income		11,087
Other comprehensive income (loss) attributable to parent, net of tax		2,651	2,651					2,651
Other comprehensive income (loss) attributable to noncontrolling interest, net of tax		(43)									(43)
Other comprehensive income (loss), net of tax		2,608
Noncontrolling interests, adjustments to Additional Paid in Capital			1			1
Noncontrolling interests											(122)
Total change in noncontrolling interests		(121)
Common stock issued		1,476	1,476			(184)	(185)		1,845
Common stock, shares issued					38,655,156
Common stock repurchased		(4,243)	(4,243)			500			(4,743)
Common stock repurchased, shares					(96,479,740)
Preferred stock issued to ESOP		0	0	$ 1,150		99				(1,249)
Preferred stock issued to ESOP, shares				1,150,000
Preferred stock released by ESOP		684	684			(59)				743
Preferred stock converted to common shares		0	0	$ (684)		0			684
Preferred stock converted to common shares, shares				(684,244)	14,189,729
Common stock warrants repurchased/exercised		0	0			0
Preferred stock issued		2,101	2,101	$ 2,150		(49)
Preferred stock, shares issued				86,000
Common stock dividends		(3,834)	(3,834)			27	(3,861)
Preferred stock dividends		(764)	(764)				(764)
Tax benefit from stock incentive compensation		172	172			172
Stock incentive compensation expense		508	508			508
Net change in deferred compensation and related plans		(1,025)	(1,025)			(1,038)			13
Net change		8,649	8,747	$ 2,616	$ 0	(23)	6,210	2,651	(2,201)	(506)	(98)
Net change, shares				551,756	(43,634,855)
Ending balance at Jun. 30, 2016		202,661	201,745	$ 24,830	$ 9,136	60,691	127,076	2,948	(21,068)	(1,868)	916
Ending balance, shares at Jun. 30, 2016				11,811,673	5,048,493,955
Beginning balance at Dec. 31, 2016		200,497	199,581	$ 24,551	$ 9,136	60,234	133,075	(3,137)	(22,713)	(1,565)	916
Beginning balance, shares at Dec. 31, 2016				11,532,712	5,016,109,326
Stockholders' Equity Period Increase (Decrease)
Net income		11,267	11,267				11,267
Net income attributable to noncontrolling interests		129									129
Net income		11,396
Other comprehensive income (loss) attributable to parent, net of tax		1,027	1,027					1,027
Other comprehensive income (loss) attributable to noncontrolling interest, net of tax		5									5
Other comprehensive income (loss), net of tax		1,032
Noncontrolling interests, adjustments to Additional Paid in Capital			1			1
Noncontrolling interests											(135)
Total change in noncontrolling interests		(134)
Common stock issued		1,658	1,658			(26)	(184)		1,868
Common stock, shares issued					39,392,446
Common stock repurchased		(4,462)	(4,462)			750			(5,212)
Common stock repurchased, shares					(96,121,157)
Preferred stock issued to ESOP		0	0	$ 950		31				(981)
Preferred stock issued to ESOP, shares				950,000
Preferred stock released by ESOP		406	406			(21)				427
Preferred stock converted to common shares		0	0	$ (406)		41			365
Preferred stock converted to common shares, shares				(406,185)	7,389,435
Common stock warrants repurchased/exercised		(68)	(68)			(68)
Preferred stock issued		677	677	$ 690		(13)
Preferred stock, shares issued				27,600
Common stock dividends		(3,802)	(3,802)			25	(3,827)
Preferred stock dividends		(807)	(807)				(807)
Tax benefit from stock incentive compensation	[1]	0	0			0
Stock incentive compensation expense		534	534			534
Net change in deferred compensation and related plans		(782)	(782)			(799)			17
Net change		5,648	5,649	$ 1,234	$ 0	455	6,449	1,027	(2,962)	(554)	(1)
Net change, shares				571,415	(49,339,276)
Ending balance at Jun. 30, 2017		$ 206,145	$ 205,230	$ 25,785	$ 9,136	$ 60,689	$ 139,524	$ (2,110)	$ (25,675)	$ (2,119)	$ 915
Ending balance, shares at Jun. 30, 2017				12,104,127	4,966,770,050

[1] (2)Effective January 1, 2017, we adopted Accounting Standards Update 2016-09 (Improvements to Employee Share-Based Payment Accounting). Accordingly, tax benefit from stock incentive compensation is reported in income tax expense in the consolidated statement of income.