CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (unaudited) - USD ($) $ in Millions		Total	Cumulative Effect, Period of Adoption, Adjustment		Cumulative Effect, Period of Adoption, Adjusted Balance	Common Stock	Common Stock Cumulative Effect, Period of Adoption, Adjusted Balance	Preferred Stock	Preferred Stock Cumulative Effect, Period of Adoption, Adjusted Balance	Capital Surplus	Capital Surplus Cumulative Effect, Period of Adoption, Adjusted Balance	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment		Retained Earnings Cumulative Effect, Period of Adoption, Adjusted Balance	Accumulated Other Comprehensive Income (Loss)	Accumulated Other Comprehensive Income (Loss) Cumulative Effect, Period of Adoption, Adjusted Balance	Treasury Stock	Treasury Stock Cumulative Effect, Period of Adoption, Adjusted Balance	Total Bancorp Shareholders’ Equity	Total Bancorp Shareholders’ Equity Cumulative Effect, Period of Adoption, Adjustment		Total Bancorp Shareholders’ Equity Cumulative Effect, Period of Adoption, Adjusted Balance	Non- Controlling Interests	Non- Controlling Interests Cumulative Effect, Period of Adoption, Adjusted Balance
Beginning Balance at Dec. 31, 2018		$ 16,250	$ 10		$ 16,260	$ 2,051	$ 2,051	$ 1,331	$ 1,331	$ 2,873	$ 2,873	$ 16,578	$ 10		$ 16,588	$ (112)	$ (112)	$ (6,471)	$ (6,471)	$ 16,250	$ 10		$ 16,260	$ 0	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income		1,228										1,228								1,228
Other comprehensive income, net of tax		1,290														1,290				1,290
Cash dividends declared:
Common stock	[1]	(343)										(343)								(343)
Preferred stock	[2]	(41)										(41)								(41)
Shares acquired for treasury		(1,113)																(1,113)		(1,113)
Impact of stock transactions under stock compensation plans, net		35								(12)		1						46		35
Impact of MB Financial, Inc. acquisition		3,356								712								2,447		3,159				197
Other		(1)								(1)		(2)						2		(1)
Ending Balance at Jun. 30, 2019		20,671				2,051		1,331		3,572		17,431				1,178		(5,089)		20,474				197
Beginning Balance at Mar. 31, 2019		19,844				2,051		1,331		3,444		17,184				409		(4,772)		19,647				197
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income		453										453								453
Other comprehensive income, net of tax		769														769				769
Cash dividends declared:
Common stock	[3]	(178)										(178)								(178)
Preferred stock	[4]	(26)										(26)								(26)
Shares acquired for treasury		(200)								135								(335)		(200)
Impact of stock transactions under stock compensation plans, net		10								(7)								17		10
Other		(1)										(2)						1		(1)
Ending Balance at Jun. 30, 2019		20,671				2,051		1,331		3,572		17,431				1,178		(5,089)		20,474				197
Beginning Balance at Dec. 31, 2019		21,203	$ (472)	[5]	$ 20,731	2,051	$ 2,051	1,770	$ 1,770	3,599	$ 3,599	18,315	$ (472)	[5]	$ 17,843	1,192	$ 1,192	(5,724)	$ (5,724)	21,203	$ (472)	[5]	$ 20,731	0	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income		243										243								243
Other comprehensive income, net of tax		1,759														1,759				1,759
Cash dividends declared:
Common stock	[1]	(390)										(390)								(390)
Preferred stock	[2]	(50)										(50)								(50)
Impact of stock transactions under stock compensation plans, net		43								4								39		43
Other		(1)										(3)						2		(1)
Ending Balance at Jun. 30, 2020		22,335				2,051		1,770		3,603		17,643				2,951		(5,683)		22,335				0
Beginning Balance at Mar. 31, 2020		21,873				2,051		1,770		3,597		17,677				2,477		(5,699)		21,873				0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income		195										195								195
Other comprehensive income, net of tax		474														474				474
Cash dividends declared:
Common stock	[3]	(195)										(195)								(195)
Preferred stock	[4]	(32)										(32)								(32)
Impact of stock transactions under stock compensation plans, net		20								6								14		20
Other		0										(2)						2		0
Ending Balance at Jun. 30, 2020		$ 22,335				$ 2,051		$ 1,770		$ 3,603		$ 17,643				$ 2,951		$ (5,683)		$ 22,335				$ 0

[1] Dividends declared per common share were $0.54 and $0.46 for the six months ended June 30, 2020 and 2019, respectively.

[2] For both the six months ended June 30, 2020 and 2019, dividends were $637.50 per preferred share for Perpetual Preferred Stock, Series H and $828.12 per preferred share for Perpetual Preferred Stock, Series I. For the six months ended June 30, 2020 and 2019, dividends per preferred share for Perpetual Preferred Stock, Series J were $609.93 and $612.50, respectively. For the six months ended June 30, 2020, dividends were $618.76 per preferred share for Perpetual Preferred Stock, Series K and $30.00 per preferred share for Perpetual Class B Preferred Stock, Series A. For the six months ended June 30, 2019, dividends were $15.00 per preferred share for Perpetual Preferred Stock, Series C, of MB Financial, Inc., a subsidiary of the Bancorp.

[3] Dividends declared per common share were $0.27 and $0.24 for the three months ended June 30, 2020 and 2019, respectively.

[4] For both the three months ended June 30, 2020 and 2019, dividends were $637.50 per preferred share for Perpetual Preferred Stock, Series H and $414.06 per preferred share for Perpetual Preferred Stock, Series I. For the three months ended June 30, 2020, dividends were $289.38 per preferred share for Perpetual Preferred Stock, Series J, $309.38 per preferred share for Perpetual Preferred Stock, Series K, and $15.00 per preferred share for Perpetual Class B Preferred Stock, Series A. For the three months ended June 30, 2019, dividends were $15.00 per preferred share for Perpetual Preferred Stock, Series C, of MB Financial, Inc., a subsidiary of the Bancorp.

[5] Related to the adoption of ASU 2016-13 as of January 1, 2020. Refer to Note 4 for additional information.