Regulatory Matters - GAS Schedule of Infrastructure Replacement Programs and Capital Projects (Details) - SOUTHERN Co GAS $ in Millions |
9 Months Ended |
|---|---|
|
Sep. 30, 2023
USD ($)
| |
| Public Utilities, General Disclosures [Line Items] | |
| Capital expenditures | $ 467 |
| Investing in Illinois | |
| Public Utilities, General Disclosures [Line Items] | |
| Capital expenditures | 320 |
| SAVE | |
| Public Utilities, General Disclosures [Line Items] | |
| Capital expenditures | 56 |
| System Reinforcement Rider | |
| Public Utilities, General Disclosures [Line Items] | |
| Capital expenditures | 84 |
| Pipeline Replacement Program | |
| Public Utilities, General Disclosures [Line Items] | |
| Capital expenditures | $ 7 |