Cover
|
Apr. 01, 2022 |
| Document Information [Line Items] |
|
| Document Type |
8-K
|
| Amendment Flag |
false
|
| Document Period End Date |
Apr. 01, 2022
|
| Entity File Number |
1-14756
|
| Entity Registrant Name |
Ameren
Corporation
|
| Entity Central Index Key |
0001002910
|
| Entity Tax Identification Number |
43-1723446
|
| Entity Incorporation, State or Country Code |
MO
|
| Entity Address, Address Line One |
1901
Chouteau Avenue
|
| Entity Address, City or Town |
St.
Louis
|
| Entity Address, State or Province |
MO
|
| Entity Address, Postal Zip Code |
63103
|
| City Area Code |
314
|
| Local Phone Number |
621-3222
|
| Written Communications |
false
|
| Soliciting Material |
false
|
| Pre-commencement Tender Offer |
false
|
| Pre-commencement Issuer Tender Offer |
false
|
| Title of 12(b) Security |
Common
Stock, $0.01 par value per share
|
| Trading Symbol |
AEE
|
| Security Exchange Name |
NYSE
|
| Entity Emerging Growth Company |
false
|
| Union Electric Company [Member] |
|
| Document Information [Line Items] |
|
| Document Type |
8-K
|
| Amendment Flag |
false
|
| Document Period End Date |
Apr. 01, 2022
|
| Entity File Number |
1-2967
|
| Entity Registrant Name |
Union
Electric Company
|
| Entity Central Index Key |
0000100826
|
| Entity Tax Identification Number |
43-0559760
|
| Entity Incorporation, State or Country Code |
MO
|
| Entity Address, Address Line One |
1901
Chouteau Avenue
|
| Entity Address, City or Town |
St.
Louis
|
| Entity Address, State or Province |
MO
|
| Entity Address, Postal Zip Code |
63103
|
| City Area Code |
314
|
| Local Phone Number |
621-3222
|
| Written Communications |
false
|
| Soliciting Material |
false
|
| Pre-commencement Tender Offer |
false
|
| Pre-commencement Issuer Tender Offer |
false
|
| Entity Emerging Growth Company |
false
|