Condensed Statements of Income (Unaudited) - MPC - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Operating Revenues:
Total operating revenues	$ 5,748	$ 7,206	$ 12,228	$ 13,854
Operating Expenses:
Other operations and maintenance	1,489	1,548	2,929	3,042
Depreciation and amortization	1,112	913	2,222	1,805
Taxes other than income taxes	340	349	734	721
Total operating expenses	4,458	5,551	9,719	10,815
Operating Income	1,290	1,655	2,509	3,039
Other Income and (Expense):
Interest expense, net of amounts capitalized	(610)	(488)	(1,192)	(950)
Other income (expense), net	142	139	286	283
Total other income and (expense)	(369)	(262)	(693)	(483)
Earnings Before Income Taxes	921	1,393	1,816	2,556
Income taxes (benefit)	98	304	194	477
Net Income	823	1,089	1,622	2,079
Retail electric revenues
Operating Revenues:
Total operating revenues	3,859	4,789	7,458	8,402
Wholesale electric revenues
Operating Revenues:
Total operating revenues	605	937	1,203	1,601
Other electric revenues
Operating Revenues:
Total operating revenues	209	192	399	370
Natural Gas
Operating Revenues:
Total operating revenues	852	1,083	2,728	3,140
Other revenues
Operating Revenues:
Total operating revenues	223	205	440	341
Operating Expenses:
Total cost of sales	128	114	255	183
Mississippi Power
Operating Revenues:
Total operating revenues	311	434	702	769
Operating Expenses:
Other operations and maintenance	91	91	175	167
Depreciation and amortization	45	45	92	90
Taxes other than income taxes	28	32	60	61
Total operating expenses	260	375	573	657
Operating Income	51	59	129	112
Other Income and (Expense):
Interest expense, net of amounts capitalized	(18)	(14)	(34)	(27)
Other income (expense), net	11	12	20	22
Total other income and (expense)	(7)	(2)	(14)	(5)
Earnings Before Income Taxes	44	57	115	107
Income taxes (benefit)	4	12	17	20
Net Income	40	45	98	87
Mississippi Power | Retail electric revenues
Operating Revenues:
Total operating revenues	227	252	464	469
Mississippi Power | Wholesale revenues, non-affiliates
Operating Revenues:
Total operating revenues	56	63	124	131
Mississippi Power | Wholesale revenues, affiliates
Operating Revenues:
Total operating revenues	18	107	93	149
Mississippi Power | Other revenues
Operating Revenues:
Total operating revenues	10	12	21	20
Mississippi Power | Fuel and purchased power
Operating Expenses:
Total cost of sales	$ 96	$ 207	$ 246	$ 339