v3.26.1
Condensed Consolidated Statements of Income (Unaudited) - GAS - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Operating Revenues:        
Total operating revenues $ 6,977 $ 6,973 $ 15,374 $ 14,748
Operating Expenses:        
Other operations and maintenance 1,705 1,685 3,359 3,305
Depreciation and amortization 1,434 1,323 2,854 2,608
Taxes other than income taxes 367 403 831 848
Total operating expenses 5,201 5,209 11,580 10,974
Operating Income 1,776 1,764 3,794 3,774
Other Income and (Expense):        
Earnings from equity method investments 86 10 136 43
Interest expense, net of amounts capitalized (796) (874) (1,573) (1,588)
Other income (expense), net 181 162 336 310
Total other income and (expense) (401) (622) (853) (1,082)
Earnings Before Income Taxes 1,375 1,142 2,941 2,692
Income taxes (benefit) 187 289 414 569
Consolidated Net Income Attributable to Southern Company 1,174 880 2,531 2,214
SOUTHERN Co GAS        
Operating Revenues:        
Total operating revenues $ 966 $ 979 $ 3,157 $ 2,818
Revenue, Product and Service [Extensible Enumeration] Natural gas Natural gas Natural gas Natural gas
Operating Expenses:        
Total cost of sales $ 177 $ 255 $ 1,103 $ 929
Cost, Product and Service [Extensible Enumeration] Natural gas Natural gas Natural gas Natural gas
Other operations and maintenance $ 341 $ 301 $ 683 $ 617
Depreciation and amortization 185 172 369 341
Taxes other than income taxes 61 61 166 158
Total operating expenses 764 789 2,321 2,045
Operating Income 202 190 836 773
Other Income and (Expense):        
Earnings from equity method investments 32 23 78 62
Interest expense, net of amounts capitalized (101) (92) (206) (183)
Other income (expense), net 25 18 41 34
Total other income and (expense) (44) (51) (87) (87)
Earnings Before Income Taxes 158 139 749 686
Income taxes (benefit) 32 33 176 162
Consolidated Net Income Attributable to Southern Company $ 126 $ 106 $ 573 $ 524