Condensed Consolidated Statements of Comprehensive Income (Unaudited) - SPC - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Net income	$ 1,071	$ 799
Qualifying hedges:
Changes in fair value, net of tax	1	(63)
Reclassification adjustment for amounts included in net income, net of tax	32	19
Pension and other postretirement benefit plans:
Benefit plan net gain (loss), net of tax of $1 and $—, respectively	4	0
Total other comprehensive income (loss)	37	(44)
Comprehensive Income	1,108	755
Comprehensive loss attributable to noncontrolling interests	(58)	(63)
Comprehensive Income	1,166	818
SOUTHERN POWER CO
Net income	38	39
Qualifying hedges:
Changes in fair value, net of tax	(11)	(8)
Reclassification adjustment for amounts included in net income, net of tax	12	1
Pension and other postretirement benefit plans:
Benefit plan net gain (loss), net of tax of $1 and $—, respectively	1	0
Total other comprehensive income (loss)	2	(7)
Comprehensive Income	40	32
Comprehensive loss attributable to noncontrolling interests	(58)	(63)
Comprehensive Income	$ 98	$ 95