Condensed Consolidated Statements of Comprehensive Income (Unaudited) - SPC - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Net income	$ 853	$ 1,188	$ 2,123	$ 2,259
Qualifying hedges:
Changes in fair value, net of tax	35	(5)	49	(4)
Reclassification adjustment for amounts included in net income, net of tax	(31)	15	(43)	47
Pension and other postretirement benefit plans:
Benefit plan net gain (loss), net of tax	0	0	1	3
Total other comprehensive income	4	10	7	46
Comprehensive Income	857	1,198	2,130	2,305
Comprehensive loss attributable to noncontrolling interests	(27)	(15)	(91)	(73)
Consolidated Comprehensive Income Attributable to Company	884	1,213	2,221	2,378
SOUTHERN POWER CO
Net income	24	71	47	109
Qualifying hedges:
Changes in fair value, net of tax	35	(4)	52	(15)
Reclassification adjustment for amounts included in net income, net of tax	(33)	7	(48)	18
Pension and other postretirement benefit plans:
Benefit plan net gain (loss), net of tax	0	0	0	1
Total other comprehensive income	2	3	4	4
Comprehensive Income	26	74	51	113
Comprehensive loss attributable to noncontrolling interests	(27)	(15)	(91)	(73)
Consolidated Comprehensive Income Attributable to Company	$ 53	$ 89	$ 142	$ 186