Condensed Consolidated Statements of Income (Unaudited) - Southern - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Operating Revenues:
Total operating revenues	$ 8,397	$ 7,775
Operating Expenses:
Other operations and maintenance	1,653	1,619
Depreciation and amortization	1,420	1,286
Taxes other than income taxes	464	445
Total operating expenses	6,379	5,765
Operating Income	2,018	2,010
Other Income and (Expense):
Allowance for equity funds used during construction	121	73
Earnings from equity method investments	50	32
Interest expense, net of amounts capitalized	(778)	(714)
Other income (expense), net	155	149
Total other income and (expense)	(452)	(460)
Earnings Before Income Taxes	1,566	1,550
Income taxes	228	280
Consolidated Net Income	1,338	1,270
Net loss attributable to noncontrolling interests	(18)	(64)
Consolidated Net Income Attributable to Southern Company	$ 1,356	$ 1,334
Earnings per share -
Basic (in dollars per share)	$ 1.21	$ 1.21
Diluted (in dollars per share)	$ 1.20	$ 1.21
Average number of shares of common stock outstanding — (in millions)
Basic (in shares)	1,124	1,100
Diluted (in shares)	1,128	1,105
Retail electric revenues
Operating Revenues:
Total operating revenues	$ 4,640	$ 4,601
Wholesale electric revenues
Operating Revenues:
Total operating revenues	965	744
Other electric revenues
Operating Revenues:
Total operating revenues	265	242
Natural Gas
Operating Revenues:
Total operating revenues	2,191	1,839
Other revenues
Operating Revenues:
Total operating revenues	336	349
Operating Expenses:
Total cost of sales	181	199
Fuel
Operating Expenses:
Total cost of sales	1,491	1,292
Purchased power
Operating Expenses:
Total cost of sales	244	250
Natural gas
Operating Expenses:
Total cost of sales	926	674
Alternative revenue programs
Operating Revenues:
Total operating revenues	$ (2)	$ (19)