v3.26.1
Condensed Consolidated Statements of Income (Loss) (Unaudited) - SPC - 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):        
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 1,188 853 2,527 2,123
Net income (loss) attributable to noncontrolling interests 14 (27) (4) (91)
Consolidated Net Income Attributable to Southern Company 1,174 880 2,531 2,214
Other revenues        
Operating Revenues:        
Total operating revenues 325 335 661 684
Operating Expenses:        
Total cost of sales 176 167 357 366
Fuel        
Operating Expenses:        
Total cost of sales 1,054 1,116 2,544 2,408
Purchased power        
Operating Expenses:        
Total cost of sales 288 260 532 510
SOUTHERN POWER CO        
Operating Revenues:        
Total operating revenues 535 546 1,216 1,113
Operating Expenses:        
Other operations and maintenance 139 135 278 257
Depreciation and amortization 280 177 558 329
Taxes other than income taxes 13 13 25 25
Total operating expenses 597 503 1,338 1,025
Operating Income (62) 43 (122) 88
Other Income and (Expense):        
Interest expense, net of amounts capitalized (28) (24) (55) (50)
Other income (expense), net 2 3 4 6
Total other income and (expense) (26) (21) (51) (44)
Earnings Before Income Taxes (88) 22 (173) 44
Income taxes (benefit) (77) (2) (147) (3)
Consolidated Net Income (11) 24 (26) 47
Net income (loss) attributable to noncontrolling interests 14 (27) (4) (91)
Consolidated Net Income Attributable to Southern Company (25) 51 (22) 138
SOUTHERN POWER CO | Wholesale revenues, non-affiliates        
Operating Revenues:        
Total operating revenues 439 424 1,016 870
SOUTHERN POWER CO | Wholesale revenues, affiliates        
Operating Revenues:        
Total operating revenues 92 114 192 229
SOUTHERN POWER CO | Other revenues        
Operating Revenues:        
Total operating revenues 4 8 8 14
SOUTHERN POWER CO | Fuel        
Operating Expenses:        
Total cost of sales 129 147 383 355
SOUTHERN POWER CO | Purchased power        
Operating Expenses:        
Total cost of sales $ 36 $ 31 $ 94 $ 59