Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Net income	$ 841	$ 2,059
Qualifying hedges:
Changes in fair value, net of tax	(86)	(28)
Reclassification adjustment for amounts included in net income, net of tax	38	28
Pension and other postretirement benefit plans:
Reclassification adjustment for amounts included in net income, net of tax	1	0
Total other comprehensive income (loss)	(47)	0
Comprehensive Income	794	2,059
Dividends on preferred stock of subsidiaries	4	4
Comprehensive loss attributable to noncontrolling interests	(31)	(29)
Comprehensive Income (Loss) Attributable to Parent	821	2,084
ALABAMA POWER CO
Net income	284	221
Qualifying hedges:
Reclassification adjustment for amounts included in net income, net of tax	1	1
Pension and other postretirement benefit plans:
Total other comprehensive income (loss)	1	1
Comprehensive Income	285	222
Dividends on preferred stock of subsidiaries	4	4
GEORGIA POWER CO
Net income	331	311
Qualifying hedges:
Changes in fair value, net of tax	(2)	0
Reclassification adjustment for amounts included in net income, net of tax	1	1
Pension and other postretirement benefit plans:
Total other comprehensive income (loss)	(1)	1
Comprehensive Income	330	312
MISSISSIPPI POWER CO
Net income	32	37
Qualifying hedges:
Changes in fair value, net of tax	0	0
Reclassification adjustment for amounts included in net income, net of tax	0	0
Pension and other postretirement benefit plans:
Total other comprehensive income (loss)	0	0
Comprehensive Income	32	37
SOUTHERN POWER CO
Net income	44	27
Qualifying hedges:
Changes in fair value, net of tax	(62)	(29)
Reclassification adjustment for amounts included in net income, net of tax	28	25
Pension and other postretirement benefit plans:
Reclassification adjustment for amounts included in net income, net of tax	1	0
Total other comprehensive income (loss)	(33)	(4)
Comprehensive Income	11	23
Comprehensive loss attributable to noncontrolling interests	(31)	(29)
Comprehensive Income (Loss) Attributable to Parent	42	52
SOUTHERN Co GAS
Net income	275	270
Qualifying hedges:
Changes in fair value, net of tax	(20)	0
Reclassification adjustment for amounts included in net income, net of tax	5	0
Pension and other postretirement benefit plans:
Reclassification adjustment for amounts included in net income, net of tax	0	(1)
Total other comprehensive income (loss)	(15)	(1)
Comprehensive Income	$ 260	$ 269