Statements of Income - APC - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating Revenues:
Total operating revenues	$ 29,279	$ 23,113	$ 20,375
Operating Expenses:
Other operations and maintenance	6,630	6,088	5,413
Depreciation and amortization	3,663	3,565	3,518
Taxes other than income taxes	1,411	1,290	1,234
Total operating expenses	23,909	19,415	15,490
Operating Income	5,370	3,698	4,885
Other Income and (Expense):
Allowance for equity funds used during construction	224	190	149
Interest expense, net of amounts capitalized	(2,022)	(1,837)	(1,821)
Other income (expense), net	500	456	336
Total other income and (expense)	(1,147)	(1,122)	(1,389)
Earnings Before Income Taxes	4,223	2,576	3,496
Income taxes (benefit)	795	267	393
Net Income (Loss)	3,428	2,309	3,103
Dividends on preferred stock of subsidiaries	11	15	15
Consolidated Net Income	3,524	2,393	3,119
Retail electric revenues
Operating Revenues:
Total operating revenues	18,197	14,852	13,643
Other revenues
Operating Revenues:
Total operating revenues	732	708	681
Operating Expenses:
Cost of sales	396	357	327
Fuel
Operating Expenses:
Cost of sales	6,835	4,010	2,967
Purchased power
Operating Expenses:
Cost of sales	1,593	978	799
Alabama Power
Operating Revenues:
Total operating revenues	7,817	6,413	5,830
Operating Expenses:
Other operations and maintenance	1,935	1,735	1,619
Depreciation and amortization	875	859	812
Taxes other than income taxes	424	410	416
Total operating expenses	5,875	4,607	4,136
Operating Income	1,942	1,806	1,694
Other Income and (Expense):
Allowance for equity funds used during construction	70	52	46
Interest expense, net of amounts capitalized	(382)	(340)	(338)
Other income (expense), net	144	107	100
Total other income and (expense)	(168)	(181)	(192)
Earnings Before Income Taxes	1,774	1,625	1,502
Income taxes (benefit)	423	372	337
Net Income (Loss)	1,351	1,253	1,165
Dividends on preferred stock of subsidiaries	11	15	15
Consolidated Net Income	1,340	1,238	1,150
Alabama Power | Retail electric revenues
Operating Revenues:
Total operating revenues	6,470	5,499	5,213
Alabama Power | Wholesale revenues
Operating Revenues:
Total operating revenues	726	377	269
Alabama Power | Wholesale revenues, affiliates
Operating Revenues:
Total operating revenues	202	171	46
Alabama Power | Other revenues
Operating Revenues:
Total operating revenues	419	366	302
Alabama Power | Fuel
Operating Expenses:
Cost of sales	1,840	1,235	970
Alabama Power | Purchased power
Operating Expenses:
Cost of sales	441	221	191
Alabama Power | Purchased power, affiliates
Operating Expenses:
Cost of sales	$ 360	$ 147	$ 128