v3.25.0.1
LEASES - Leveraged Leases (Narrative) (Details)
12 Months Ended
Dec. 31, 2024
leveragedLease
Leases [Abstract]
Number of leveraged leases
1
Remaining lease term
7 years
X
- Definition
Leveraged Leases, Remaining Lease Term
+ References
No definition available.
+ Details
Name:
so_LeveragedLeasesRemainingLeaseTerm
Namespace Prefix:
so_
Data Type:
xbrli:durationItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Number Of Leveraged Leases
+ References
No definition available.
+ Details
Name:
so_NumberOfLeveragedLeases
Namespace Prefix:
so_
Data Type:
xbrli:integerItemType
Balance Type:
na
Period Type:
instant
X
- References
No definition available.
+ Details
Name:
us-gaap_LeasesAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration