Condensed Statements of Income (Unaudited) - MPC - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Operating Revenues:
Total operating revenues	$ 6,980	$ 8,378	$ 19,208	$ 22,232
Operating Expenses:
Other operations and maintenance	1,424	1,527	4,352	4,568
Depreciation and amortization	1,143	922	3,365	2,728
Taxes other than income taxes	341	352	1,076	1,073
Total operating expenses	4,870	6,185	14,589	17,000
Operating Income	2,110	2,193	4,619	5,232
Other Income and (Expense):
Interest expense, net of amounts capitalized	(620)	(511)	(1,812)	(1,461)
Other income (expense), net	141	132	428	414
Total other income and (expense)	(381)	(292)	(1,074)	(775)
Earnings Before Income Taxes	1,729	1,901	3,545	4,457
Income taxes	297	414	492	891
Net Income	1,432	1,487	3,053	3,566
Retail electric revenues
Operating Revenues:
Total operating revenues	5,139	5,961	12,597	14,363
Wholesale electric revenues
Operating Revenues:
Total operating revenues	727	1,197	1,930	2,798
Other electric revenues
Operating Revenues:
Total operating revenues	203	185	602	554
Natural Gas
Operating Revenues:
Total operating revenues	689	857	3,417	3,998
Other revenues
Operating Revenues:
Total operating revenues	222	178	662	519
Operating Expenses:
Total cost of sales	126	92	381	275
Mississippi Power
Operating Revenues:
Total operating revenues	436	510	1,137	1,279
Operating Expenses:
Other operations and maintenance	84	86	258	252
Depreciation and amortization	48	45	139	135
Taxes other than income taxes	32	32	92	93
Total operating expenses	333	425	905	1,081
Operating Income	103	85	232	198
Other Income and (Expense):
Interest expense, net of amounts capitalized	(19)	(15)	(53)	(42)
Other income (expense), net	9	9	29	32
Total other income and (expense)	(10)	(6)	(24)	(10)
Earnings Before Income Taxes	93	79	208	188
Income taxes	18	17	35	38
Net Income	75	62	173	150
Mississippi Power | Retail electric revenues
Operating Revenues:
Total operating revenues	284	250	747	718
Mississippi Power | Wholesale revenues, non-affiliates
Operating Revenues:
Total operating revenues	77	60	201	191
Mississippi Power | Wholesale revenues, affiliates
Operating Revenues:
Total operating revenues	65	187	158	336
Mississippi Power | Other revenues
Operating Revenues:
Total operating revenues	10	13	31	34
Mississippi Power | Fuel and purchased power
Operating Expenses:
Total cost of sales	$ 169	$ 262	$ 416	$ 601