Condensed Consolidated Statements of Comprehensive Income (Unaudited) - SPC - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Net income	$ 1,487	$ 1,110	$ 3,566	$ 2,592
Qualifying hedges:
Changes in fair value, net of tax	0	1	(27)	(15)
Reclassification adjustment for amounts included in net income, net of tax	26	31	100	81
Pension and other postretirement benefit plans:
Reclassification adjustment for amounts included in net income, net of tax	2	4	8	10
Total other comprehensive income	28	36	81	76
Comprehensive Income	1,515	1,146	3,647	2,668
Comprehensive income (loss) attributable to noncontrolling interests	12	5	(55)	(27)
Comprehensive Income	1,500	1,137	3,692	2,684
SOUTHERN POWER CO
Net income	107	83	210	184
Qualifying hedges:
Changes in fair value, net of tax	(35)	(21)	(106)	(48)
Reclassification adjustment for amounts included in net income, net of tax	28	27	106	66
Pension and other postretirement benefit plans:
Reclassification adjustment for amounts included in net income, net of tax	0	1	1	2
Total other comprehensive income	(7)	7	1	20
Comprehensive Income	100	90	211	204
Comprehensive income (loss) attributable to noncontrolling interests	12	5	(55)	(27)
Comprehensive Income	$ 88	$ 85	$ 266	$ 231