Condensed Statements of Income (Unaudited) - MPC - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Operating Revenues:
Total operating revenues	$ 7,206	$ 5,198	$ 13,854	$ 11,108
Operating Expenses:
Other operations and maintenance	1,558	1,438	3,075	2,810
Depreciation and amortization	913	891	1,805	1,762
Taxes other than income taxes	349	313	721	657
Total operating expenses	5,551	4,490	10,815	8,802
Operating Income	1,655	708	3,039	2,306
Other Income and (Expense):
Interest expense, net of amounts capitalized	(488)	(450)	(950)	(901)
Other income (expense), net	139	101	283	160
Total other income and (expense)	(262)	(344)	(483)	(646)
Earnings (Loss) Before Income Taxes	1,393	364	2,556	1,660
Income taxes (benefit)	304	(12)	477	178
Consolidated Net Income	1,089	376	2,079	1,482
Retail electric revenues
Operating Revenues:
Total operating revenues	4,789	3,599	8,402	6,941
Wholesale Electric
Operating Revenues:
Total operating revenues	937	546	1,601	1,091
Other electric revenues
Operating Revenues:
Total operating revenues	192	175	370	346
Natural Gas
Operating Revenues:
Total operating revenues	1,083	677	3,140	2,371
Other revenues
Operating Revenues:
Total operating revenues	205	201	341	359
Operating Expenses:
Total cost of sales	114	103	183	185
Mississippi Power
Operating Revenues:
Total operating revenues	434	303	769	610
Operating Expenses:
Other operations and maintenance	91	76	167	144
Depreciation and amortization	45	44	90	91
Taxes other than income taxes	32	32	61	63
Total operating expenses	375	254	657	506
Operating Income	59	49	112	104
Other Income and (Expense):
Interest expense, net of amounts capitalized	(14)	(14)	(27)	(29)
Other income (expense), net	12	11	22	20
Total other income and (expense)	(2)	(3)	(5)	(9)
Earnings (Loss) Before Income Taxes	57	46	107	95
Income taxes (benefit)	12	8	20	12
Consolidated Net Income	45	38	87	83
Mississippi Power | Retail electric revenues
Operating Revenues:
Total operating revenues	252	219	469	422
Mississippi Power | Wholesale revenues, non-affiliates
Operating Revenues:
Total operating revenues	63	54	131	117
Mississippi Power | Wholesale revenues, affiliates
Operating Revenues:
Total operating revenues	107	25	149	57
Mississippi Power | Other revenues
Operating Revenues:
Total operating revenues	12	5	20	14
Mississippi Power | Fuel and purchased power
Operating Expenses:
Total cost of sales	$ 207	$ 102	$ 339	$ 208