Statements of Income - MPC - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Operating Revenues:
Total operating revenues	$ 26,724	$ 25,253	$ 29,279
Operating Expenses:
Other operations and maintenance	6,539	6,093	6,824
Depreciation and amortization	4,755	4,525	3,663
Taxes other than income taxes	1,540	1,425	1,411
Total operating expenses	19,656	19,427	23,909
Operating Income	7,068	5,826	5,370
Other Income and (Expense):
Interest expense, net of amounts capitalized	(2,743)	(2,446)	(2,022)
Other income (expense), net	530	553	500
Total other income and (expense)	(1,839)	(1,481)	(1,147)
Earnings Before Income Taxes	5,229	4,345	4,223
Income taxes	969	496	795
Net Income	4,260	3,849	3,428
Retail revenues
Operating Revenues:
Total operating revenues	17,790	16,343	18,197
Other revenues
Operating Revenues:
Total operating revenues	1,151	949	732
Operating Expenses:
Fuel and purchased power	668	560	396
Mississippi Power
Operating Revenues:
Total operating revenues	1,463	1,474	1,694
Operating Expenses:
Other operations and maintenance	370	362	376
Depreciation and amortization	193	190	181
Taxes other than income taxes	127	124	124
Total operating expenses	1,167	1,214	1,470
Operating Income	296	260	224
Other Income and (Expense):
Interest expense, net of amounts capitalized	(77)	(71)	(56)
Other income (expense), net	27	35	33
Total other income and (expense)	(50)	(36)	(23)
Earnings Before Income Taxes	246	224	201
Income taxes	47	36	37
Net Income	199	188	164
Mississippi Power | Retail revenues
Operating Revenues:
Total operating revenues	965	963	935
Mississippi Power | Wholesale revenues, non-affiliates
Operating Revenues:
Total operating revenues	228	272	252
Mississippi Power | Wholesale revenues, affiliates
Operating Revenues:
Total operating revenues	218	200	460
Mississippi Power | Other revenues
Operating Revenues:
Total operating revenues	52	39	47
Mississippi Power | Fuel and purchased power
Operating Expenses:
Fuel and purchased power	$ 477	$ 538	$ 789