Condensed Consolidated Statements of Income (Unaudited) - Southern - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating Revenues:
Total operating revenues	$ 6,646	$ 6,480
Operating Expenses:
Other operations and maintenance	1,472	1,440
Depreciation and amortization	1,145	1,111
Taxes other than income taxes	396	394
Total operating expenses	4,943	5,262
Operating Income	1,703	1,218
Other Income and (Expense):
Allowance for equity funds used during construction	58	65
Earnings from equity method investments	45	48
Interest expense, net of amounts capitalized	(665)	(582)
Other income (expense), net	153	147
Total other income and (expense)	(409)	(322)
Earnings Before Income Taxes	1,294	896
Income taxes	223	97
Consolidated Net Income	1,071	799
Net loss attributable to noncontrolling interests	(58)	(63)
Net income attributable to company	$ 1,129	$ 862
Earnings per share -
Basic (in dollars per share)	$ 1.03	$ 0.79
Diluted (in dollars per share)	$ 1.03	$ 0.79
Average number of shares of common stock outstanding — (in millions)
Basic (in shares)	1,094	1,091
Diluted (in shares)	1,100	1,098
Retail electric revenues
Operating Revenues:
Total operating revenues	$ 3,941	$ 3,599
Wholesale electric revenues
Operating Revenues:
Total operating revenues	571	599
Other electric revenues
Operating Revenues:
Total operating revenues	199	190
Natural Gas
Operating Revenues:
Total operating revenues	1,707	1,875
Other revenues
Operating Revenues:
Total operating revenues	228	217
Operating Expenses:
Total cost of sales	131	127
Fuel
Operating Expenses:
Total cost of sales	996	1,050
Purchased power
Operating Expenses:
Total cost of sales	198	242
Natural gas
Operating Expenses:
Total cost of sales	$ 605	$ 898