Condensed Consolidated Statements of Income (Unaudited) - Southern - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Operating Revenues:
Total operating revenues	$ 7,274	$ 6,980	$ 20,383	$ 19,208
Operating Expenses:
Other operations and maintenance	1,662	1,424	4,543	4,352
Depreciation and amortization	1,210	1,143	3,537	3,365
Taxes other than income taxes	375	341	1,155	1,076
Estimated loss on Plant Vogtle Units 3 and 4	0	160	(21)	160
Total operating expenses	4,906	4,870	14,373	14,589
Operating Income	2,368	2,110	6,010	4,619
Other Income and (Expense):
Allowance for equity funds used during construction	58	66	167	200
Earnings from equity method investments	31	32	107	110
Interest expense, net of amounts capitalized	(692)	(620)	(2,050)	(1,812)
Other income (expense), net	147	141	450	428
Total other income and (expense)	(456)	(381)	(1,326)	(1,074)
Earnings Before Income Taxes	1,912	1,729	4,684	3,545
Income taxes	377	297	890	492
Consolidated Net Income	1,535	1,432	3,794	3,053
Net income (loss) attributable to noncontrolling interests	0	10	(73)	(68)
Consolidated net income attributable to company	$ 1,535	$ 1,422	$ 3,867	$ 3,121
Earnings per share -
Basic (in dollars per share)	$ 1.40	$ 1.30	$ 3.53	$ 2.86
Diluted (in dollars per share)	$ 1.39	$ 1.29	$ 3.51	$ 2.84
Average number of shares of common stock outstanding — (in millions)
Basic (in shares)	1,097	1,092	1,096	1,092
Diluted (in shares)	1,103	1,099	1,102	1,098
Retail electric revenues
Operating Revenues:
Total operating revenues	$ 5,366	$ 5,139	$ 13,793	$ 12,597
Wholesale electric revenues
Operating Revenues:
Total operating revenues	721	727	1,919	1,930
Other electric revenues
Operating Revenues:
Total operating revenues	222	203	631	602
Natural Gas
Operating Revenues:
Total operating revenues	682	689	3,220	3,417
Other revenues
Operating Revenues:
Total operating revenues	283	222	820	662
Operating Expenses:
Total cost of sales	166	126	464	381
Fuel
Operating Expenses:
Total cost of sales	1,146	1,367	3,174	3,376
Purchased power
Operating Expenses:
Total cost of sales	249	207	669	680
Natural gas
Operating Expenses:
Total cost of sales	$ 98	$ 102	$ 852	$ 1,199