Soliciting Material Soliciting Material Written Communications Written Communications Local Phone Number Local Phone Number Class of Stock [Domain] Class of Stock [Domain] Depositary Shares Representing a 1/1000th Ownership Interest in a Share of 4.95% Non-Cumulative Perpetual Preferred Stock, Series K Depositary Shares Representing A 11000th Ownership Interest In A Share Of 4.95 Not Cumulative Perpetual Preferred Stock Series K [Member] Depositary Shares Representing A 11000th Ownership Interest In A Share Of 4.95 Not Cumulative Perpetual Preferred Stock Series K Amendment Flag Amendment Flag Entity Emerging Growth Company Entity Emerging Growth Company Entity File Number Entity File Number Security Exchange Name Security Exchange Name Depositary Shares Representing 1/1000th Ownership Interest in Share of 6.625% Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series I Depositary Shares Representing 1/1000th Ownership Interest in Share of 6.625% Fixed-to-Floating Rate NonCumulative Perpetual Preferred Stock, Series I [Member] Depositary Shares Representing 11000th Ownership Interest In Share Of 6.625 FixedtoFloating Rate NonCumulative Perpetual Preferred Stock Series I Entity Address, State or Province Entity Address, State or Province Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two City Area Code City Area Code Depositary Shares Representing a 1/40th Ownership Interest in a Share of 6.875% Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series M Depositary Shares Representing a 1/40th Ownership Interest in a Share of 6.875% Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series M [Member] Depositary Shares Representing a 1/40th Ownership Interest in a Share of 6.875% Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series M Depositary Shares Representing a 1/40th Ownership Interest in a Share of 6.00% Non-Cumulative Perpetual Class B Preferred Stock, Series A Depositary Shares Representing A 140th Ownership Interest In A Share Of 6.00 Not Cumulative Perpetual Class B Preferred Stock Series A [Member] Depositary Shares Representing A 140th Ownership Interest In A Share Of 6.00 Not Cumulative Perpetual Class B Preferred Stock Series A Cover [Abstract] Cover [Abstract] Entity Information [Line Items] Entity Information [Line Items] Document Period End Date Document Period End Date Pre-commencement Tender Offer Pre-commencement Tender Offer Class of Stock [Axis] Class of Stock [Axis] Entity Central Index Key Entity Central Index Key Pre-commencement Issuer Tender Offer Pre-commencement Issuer Tender Offer Entity Tax Identification Number Entity Tax Identification Number Entities [Table] Entities [Table] Entity Registrant Name Entity Registrant Name Trading Symbol Trading Symbol Common Stock Common Stock [Member] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Title of 12(b) Security Title of 12(b) Security Depositary Shares Representing A 11000th Ownership Interest In A Share Of 6.625 Fixed To Floating Rate Not Cumulative Perpetual Preferred Stock Series I 2 Depositary Shares Representing A 11000th Ownership Interest In A Share Of 6.625 Fixed To Floating Rate Not Cumulative Perpetual Preferred Stock Series I 2 [Member] Depositary Shares Representing A 11000th Ownership Interest In A Share Of 6.625 Fixed To Floating Rate Not Cumulative Perpetual Preferred Stock Series I 2 Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Address, City or Town Entity Address, City or Town Document Type Document Type