Condensed Statements of Income (Unaudited) - MPC - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Operating Revenues:
Total operating revenues	$ 8,378	$ 6,238	$ 22,232	$ 17,346
Operating Expenses:
Other operations and maintenance	1,547	1,446	4,621	4,257
Depreciation and amortization	922	896	2,728	2,658
Taxes other than income taxes	352	312	1,073	969
Total operating expenses	6,185	4,515	17,000	13,317
Operating Income	2,193	1,723	5,232	4,029
Other Income and (Expense):
Interest expense, net of amounts capitalized	(511)	(451)	(1,461)	(1,352)
Other income (expense), net	132	131	414	290
Total other income and (expense)	(292)	(241)	(775)	(887)
Earnings Before Income Taxes	1,901	1,482	4,457	3,142
Income taxes (benefit)	414	372	891	550
Consolidated Net Income	1,487	1,110	3,566	2,592
Retail electric revenues
Operating Revenues:
Total operating revenues	5,961	4,551	14,363	11,492
Wholesale Electric
Operating Revenues:
Total operating revenues	1,197	731	2,798	1,822
Other electric revenues
Operating Revenues:
Total operating revenues	185	179	554	525
Natural Gas
Operating Revenues:
Total operating revenues	857	623	3,998	2,994
Other revenues
Operating Revenues:
Total operating revenues	178	154	519	513
Operating Expenses:
Total cost of sales	92	71	275	255
Mississippi Power
Operating Revenues:
Total operating revenues	510	378	1,279	988
Operating Expenses:
Other operations and maintenance	86	85	252	230
Depreciation and amortization	45	46	135	138
Taxes other than income taxes	32	33	93	96
Total operating expenses	425	309	1,081	815
Operating Income	85	69	198	173
Other Income and (Expense):
Interest expense, net of amounts capitalized	(15)	(16)	(42)	(45)
Other income (expense), net	9	7	32	27
Total other income and (expense)	(6)	(9)	(10)	(18)
Earnings Before Income Taxes	79	60	188	155
Income taxes (benefit)	17	10	38	22
Consolidated Net Income	62	50	150	133
Mississippi Power | Retail electric revenues
Operating Revenues:
Total operating revenues	250	248	718	670
Mississippi Power | Wholesale revenues, non-affiliates
Operating Revenues:
Total operating revenues	60	60	191	178
Mississippi Power | Wholesale revenues, affiliates
Operating Revenues:
Total operating revenues	187	62	336	120
Mississippi Power | Other revenues
Operating Revenues:
Total operating revenues	13	8	34	20
Mississippi Power | Fuel and purchased power
Operating Expenses:
Total cost of sales	$ 262	$ 145	$ 601	$ 351