Condensed Consolidated Statements of Income (Unaudited) - SPC - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating Revenues:
Total operating revenues	$ 6,648	$ 5,910
Operating Expenses:
Other operations and maintenance	1,516	1,372
Depreciation and amortization	892	871
Taxes other than income taxes	372	345
Gain on dispositions, net	(23)	(44)
Total operating expenses	5,264	4,312
Operating Income	1,384	1,598
Other Income and (Expense):
Interest expense, net of amounts capitalized	(462)	(450)
Other income (expense), net	145	58
Total other income and (expense)	(220)	(301)
Earnings Before Income Taxes	1,164	1,297
Income taxes (benefit)	173	190
Consolidated Net Income	991	1,107
Net loss attributable to noncontrolling interests	(45)	(32)
Retail electric revenues
Operating Revenues:
Total operating revenues	3,613	3,342
Wholesale Electric
Operating Revenues:
Total operating revenues	664	545
Other electric revenues
Operating Revenues:
Total operating revenues	177	170
Natural Gas
Operating Revenues:
Total operating revenues	2,058	1,694
Other revenues
Operating Revenues:
Total operating revenues	136	159
Operating Expenses:
Less Gross Gas Costs	69	82
Fuel
Operating Expenses:
Less Gross Gas Costs	1,111	848
Purchased power
Operating Expenses:
Less Gross Gas Costs	232	207
Southern Power
Operating Revenues:
Total operating revenues	539	440
Operating Expenses:
Other operations and maintenance	105	101
Depreciation and amortization	120	119
Taxes other than income taxes	13	12
Gain on dispositions, net	(2)	(39)
Total operating expenses	489	354
Operating Income	50	86
Other Income and (Expense):
Interest expense, net of amounts capitalized	(37)	(38)
Other income (expense), net	2	7
Total other income and (expense)	(35)	(31)
Earnings Before Income Taxes	15	55
Income taxes (benefit)	(12)	(10)
Consolidated Net Income	27	65
Net loss attributable to noncontrolling interests	(45)	(32)
Net Income	72	97
Southern Power | Wholesale revenues, non-affiliates
Operating Revenues:
Total operating revenues	426	355
Southern Power | Wholesale revenues, affiliates
Operating Revenues:
Total operating revenues	105	81
Southern Power | Other revenues
Operating Revenues:
Total operating revenues	8	4
Southern Power | Fuel
Operating Expenses:
Less Gross Gas Costs	232	141
Southern Power | Purchased power
Operating Expenses:
Less Gross Gas Costs	$ 21	$ 20