Condensed Consolidated Statements of Income (Unaudited) - SPC - USD ($) $ 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):
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 (benefit)	223	97
Consolidated Net Income	1,071	799
Net loss attributable to noncontrolling interests	(58)	(63)
Net income attributable to company	1,129	862
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
SOUTHERN POWER CO
Operating Revenues:
Total operating revenues	473	508
Operating Expenses:
Other operations and maintenance	121	107
Depreciation and amortization	118	128
Taxes other than income taxes	10	13
Gain on dispositions, net	0	(20)
Total operating expenses	423	445
Operating Income	50	63
Other Income and (Expense):
Interest expense, net of amounts capitalized	(29)	(33)
Other income (expense), net	3	2
Total other income and (expense)	(26)	(31)
Earnings Before Income Taxes	24	32
Income taxes (benefit)	(14)	(7)
Consolidated Net Income	38	39
Net loss attributable to noncontrolling interests	(58)	(63)
Net income attributable to company	96	102
SOUTHERN POWER CO | Wholesale revenues, non-affiliates
Operating Revenues:
Total operating revenues	369	362
SOUTHERN POWER CO | Wholesale revenues, affiliates
Operating Revenues:
Total operating revenues	92	135
SOUTHERN POWER CO | Other revenues
Operating Revenues:
Total operating revenues	12	11
SOUTHERN POWER CO | Fuel
Operating Expenses:
Total cost of sales	156	191
SOUTHERN POWER CO | Purchased power
Operating Expenses:
Total cost of sales	$ 18	$ 26