Condensed Consolidated Statements of Income (Unaudited) - SPC - USD ($) $ 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
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):
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
Net income (loss) attributable to noncontrolling interests	12	5	(55)	(27)
Net Income	1,472	1,101	3,611	2,608
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
Other revenues
Operating Revenues:
Total operating revenues	178	154	519	513
Operating Expenses:
Total cost of sales	92	71	275	255
Fuel
Operating Expenses:
Total cost of sales	2,423	1,234	5,249	2,930
Purchased power
Operating Expenses:
Total cost of sales	645	288	1,285	712
SOUTHERN POWER CO
Operating Revenues:
Total operating revenues	1,180	679	2,618	1,610
Operating Expenses:
Other operations and maintenance	113	94	331	308
Depreciation and amortization	133	132	384	383
Taxes other than income taxes	13	12	38	35
Loss on sales-type leases	0	15	1	15
Gain on dispositions, net	0	0	(2)	(39)
Total operating expenses	1,008	553	2,259	1,328
Operating Income	172	126	359	282
Other Income and (Expense):
Interest expense, net of amounts capitalized	(32)	(36)	(105)	(111)
Other income (expense), net	3	2	5	10
Total other income and (expense)	(29)	(34)	(100)	(101)
Earnings Before Income Taxes	143	92	259	181
Income taxes (benefit)	36	9	49	(3)
Consolidated Net Income	107	83	210	184
Net income (loss) attributable to noncontrolling interests	12	5	(55)	(27)
Net Income	95	78	265	211
SOUTHERN POWER CO | Wholesale revenues, non-affiliates
Operating Revenues:
Total operating revenues	835	503	1,918	1,231
SOUTHERN POWER CO | Wholesale revenues, affiliates
Operating Revenues:
Total operating revenues	336	167	673	361
SOUTHERN POWER CO | Other revenues
Operating Revenues:
Total operating revenues	9	9	27	18
SOUTHERN POWER CO | Fuel
Operating Expenses:
Total cost of sales	605	259	1,274	540
SOUTHERN POWER CO | Purchased power
Operating Expenses:
Total cost of sales	$ 144	$ 41	$ 233	$ 86