Condensed Consolidated Statements of Income (Unaudited) - Southern - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Operating Revenues:
Total operating revenues	$ 8,378	$ 6,238	$ 22,232	$ 17,346
Operating Expenses:
Other operations and maintenance	1,547	1,446	4,621	4,257
Depreciation and amortization	922	896	2,728	2,658
Taxes other than income taxes	352	312	1,073	969
Estimated loss on Plant Vogtle Units 3 and 4	(70)	264	(18)	772
Gain on dispositions, net	(20)	(125)	(53)	(179)
Total operating expenses	6,185	4,515	17,000	13,317
Operating Income	2,193	1,723	5,232	4,029
Other Income and (Expense):
Allowance for equity funds used during construction	59	49	163	140
Earnings from equity method investments	28	30	109	35
Interest expense, net of amounts capitalized	(511)	(451)	(1,461)	(1,352)
Other income (expense), net	132	131	414	290
Total other income and (expense)	(292)	(241)	(775)	(887)
Earnings Before Income Taxes	1,901	1,482	4,457	3,142
Income taxes (benefit)	414	372	891	550
Consolidated Net Income	1,487	1,110	3,566	2,592
Dividends on preferred stock of subsidiaries	3	4	10	11
Net income (loss) attributable to noncontrolling interests	12	5	(55)	(27)
Net Income	$ 1,472	$ 1,101	$ 3,611	$ 2,608
Earnings per share -
Basic (in dollars per share)	$ 1.36	$ 1.04	$ 3.38	$ 2.46
Diluted (in dollars per share)	$ 1.35	$ 1.03	$ 3.36	$ 2.44
Average number of shares of common stock outstanding — (in millions)
Basic (in shares)	1,082	1,061	1,070	1,060
Diluted (in shares)	1,088	1,068	1,076	1,067
Retail electric revenues
Operating Revenues:
Total operating revenues	$ 5,961	$ 4,551	$ 14,363	$ 11,492
Wholesale Electric
Operating Revenues:
Total operating revenues	1,197	731	2,798	1,822
Other electric revenues
Operating Revenues:
Total operating revenues	185	179	554	525
Natural Gas
Operating Revenues:
Total operating revenues	857	623	3,998	2,994
Natural gas
Operating Expenses:
Less Gross Gas Costs	294	129	1,840	943
Alternative revenue programs
Operating Revenues:
Total operating revenues	(1)	(1)	0	3
Other revenues
Operating Revenues:
Total operating revenues	178	154	519	513
Operating Expenses:
Less Gross Gas Costs	92	71	275	255
Fuel
Operating Expenses:
Less Gross Gas Costs	2,423	1,234	5,249	2,930
Purchased power
Operating Expenses:
Less Gross Gas Costs	$ 645	$ 288	$ 1,285	$ 712