Document and Entity Information
Document and Entity Information | May 26, 2020 |
Cover [Abstract] | |
Entity Registrant Name | COMERICA INC /NEW/ |
Amendment Flag | false |
Entity Central Index Key | 0000028412 |
Current Fiscal Year End Date | --12-31 |
Document Type | 8-K |
Document Period End Date | May 26, 2020 |
Entity File Number | 1-10706 |
Entity Incorporation State Country Code | DE |
Entity Tax Identification Number | 38-1998421 |
Entity Address, Address Line One | Comerica Bank Tower |
Entity Address, Address Line Two | 1717 Main Street |
Entity Address, Address Line Three | MC 6404 |
Entity Address, City or Town | Dallas |
Entity Address, State or Province | TX |
Entity Address, Postal Zip Code | 75201 |
City Area Code | (214) |
Local Phone Number | 462-6831 |
Written Communications | false |
Soliciting Material | false |
Pre Commencement Tender Offer | false |
Pre Commencement Issuer Tender Offer | false |
Security 12b Title | Common Stock, $5 par value |
Trading Symbol | CMA |
Security Exchange Name | NYSE |
Entity Emerging Growth Company | false |