Condensed Consolidated Statements of Income (Unaudited) - Southern - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Operating Revenues:
Total operating revenues	$ 6,463	$ 5,748	$ 13,109	$ 12,228
Operating Expenses:
Other operations and maintenance	1,409	1,489	2,881	2,929
Depreciation and amortization	1,182	1,112	2,327	2,222
Taxes other than income taxes	384	340	780	734
Estimated loss on Plant Vogtle Units 3 and 4	(21)	0	(21)	0
Total operating expenses	4,524	4,458	9,467	9,719
Operating Income	1,939	1,290	3,642	2,509
Other Income and (Expense):
Allowance for equity funds used during construction	51	70	109	135
Earnings from equity method investments	31	29	77	78
Interest expense, net of amounts capitalized	(694)	(610)	(1,358)	(1,192)
Other income (expense), net	151	142	302	286
Total other income and (expense)	(461)	(369)	(870)	(693)
Earnings Before Income Taxes	1,478	921	2,772	1,816
Income taxes	290	98	513	194
Consolidated Net Income	1,188	823	2,259	1,622
Net loss attributable to noncontrolling interests	(15)	(15)	(73)	(78)
Net income attributable to company	$ 1,203	$ 838	$ 2,332	$ 1,700
Earnings per share -
Basic (in dollars per share)	$ 1.10	$ 0.77	$ 2.13	$ 1.56
Diluted (in dollars per share)	$ 1.09	$ 0.76	$ 2.12	$ 1.55
Average number of shares of common stock outstanding — (in millions)
Basic (in shares)	1,096	1,092	1,095	1,092
Diluted (in shares)	1,102	1,098	1,101	1,098
Retail electric revenues
Operating Revenues:
Total operating revenues	$ 4,486	$ 3,859	$ 8,427	$ 7,458
Wholesale electric revenues
Operating Revenues:
Total operating revenues	627	605	1,198	1,203
Other electric revenues
Operating Revenues:
Total operating revenues	210	209	409	399
Natural Gas
Operating Revenues:
Total operating revenues	831	852	2,538	2,728
Other revenues
Operating Revenues:
Total operating revenues	309	223	537	440
Operating Expenses:
Total cost of sales	167	128	298	255
Fuel
Operating Expenses:
Total cost of sales	1,032	959	2,028	2,009
Purchased power
Operating Expenses:
Total cost of sales	222	231	420	473
Natural gas
Operating Expenses:
Total cost of sales	$ 149	$ 199	$ 754	$ 1,097