Condensed Consolidated Statements of Income (Unaudited) - SPC - USD ($) $ 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
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):
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
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
SOUTHERN POWER CO
Operating Revenues:
Total operating revenues	600	653	1,597	1,686
Operating Expenses:
Other operations and maintenance	126	104	367	327
Depreciation and amortization	133	130	378	380
Taxes other than income taxes	12	13	34	38
Gain on dispositions, net	0	0	0	(20)
Total operating expenses	457	476	1,293	1,338
Operating Income	143	177	304	348
Other Income and (Expense):
Interest expense, net of amounts capitalized	(30)	(32)	(89)	(98)
Other income (expense), net	2	4	8	8
Total other income and (expense)	(28)	(28)	(81)	(90)
Earnings Before Income Taxes	115	149	223	258
Income taxes	33	39	32	38
Consolidated Net Income	82	110	191	220
Net income (loss) attributable to noncontrolling interests	0	10	(73)	(68)
Consolidated net income attributable to company	82	100	264	288
SOUTHERN POWER CO | Wholesale revenues, non-affiliates
Operating Revenues:
Total operating revenues	489	479	1,286	1,234
SOUTHERN POWER CO | Wholesale revenues, affiliates
Operating Revenues:
Total operating revenues	102	156	280	406
SOUTHERN POWER CO | Other revenues
Operating Revenues:
Total operating revenues	9	18	31	46
SOUTHERN POWER CO | Fuel
Operating Expenses:
Total cost of sales	166	196	454	526
SOUTHERN POWER CO | Purchased power
Operating Expenses:
Total cost of sales	$ 20	$ 33	$ 60	$ 87