Statements of Income - APC - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating Revenues:
Total operating revenues	$ 25,253	$ 29,279	$ 23,113
Operating Expenses:
Other operations and maintenance	6,093	6,573	5,902
Depreciation and amortization	4,525	3,663	3,565
Taxes other than income taxes	1,425	1,411	1,290
Total operating expenses	19,427	23,909	19,415
Operating Income	5,826	5,370	3,698
Other Income and (Expense):
Allowance for equity funds used during construction	268	224	190
Interest expense, net of amounts capitalized	(2,446)	(2,022)	(1,837)
Other income (expense), net	553	500	449
Total other income and (expense)	(1,481)	(1,147)	(1,122)
Earnings Before Income Taxes	4,345	4,223	2,576
Income taxes	496	795	267
Net Income	3,849	3,428	2,309
Dividends on Preferred Stock	0	11	15
Consolidated Net Income	3,976	3,524	2,393
Retail electric revenues
Operating Revenues:
Total operating revenues	16,343	18,197	14,852
Other revenues
Operating Revenues:
Total operating revenues	949	732	708
Operating Expenses:
Cost of sales	560	396	357
Fuel
Operating Expenses:
Cost of sales	4,365	6,835	4,010
Purchased power
Operating Expenses:
Cost of sales	883	1,593	978
Alabama Power
Operating Revenues:
Total operating revenues	7,050	7,817	6,413
Operating Expenses:
Other operations and maintenance	1,769	1,935	1,735
Depreciation and amortization	1,401	875	859
Taxes other than income taxes	442	424	410
Total operating expenses	5,415	5,875	4,607
Operating Income	1,635	1,942	1,806
Other Income and (Expense):
Allowance for equity funds used during construction	82	70	52
Interest expense, net of amounts capitalized	(425)	(382)	(340)
Other income (expense), net	159	144	107
Total other income and (expense)	(184)	(168)	(181)
Earnings Before Income Taxes	1,451	1,774	1,625
Income taxes	81	423	372
Net Income	1,370	1,351	1,253
Dividends on Preferred Stock	0	11	15
Consolidated Net Income	1,370	1,340	1,238
Alabama Power | Retail electric revenues
Operating Revenues:
Total operating revenues	6,159	6,470	5,499
Alabama Power | Wholesale revenues
Operating Revenues:
Total operating revenues	424	726	377
Alabama Power | Wholesale revenues, affiliates
Operating Revenues:
Total operating revenues	60	202	171
Alabama Power | Other revenues
Operating Revenues:
Total operating revenues	407	419	366
Alabama Power | Fuel
Operating Expenses:
Cost of sales	1,299	1,840	1,235
Alabama Power | Purchased power
Operating Expenses:
Cost of sales	253	441	221
Alabama Power | Purchased power, affiliates
Operating Expenses:
Cost of sales	$ 251	$ 360	$ 147