Condensed Balance Sheets (Unaudited) - MPC - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Current Assets:
Cash and cash equivalents	$ 2,123	$ 1,917
Receivables —
Customer and affiliated accounts, net	1,852	2,128
Unbilled revenues	682	1,012
Other accounts and notes	568	637
Fossil fuel for generation	883	575
Materials and supplies	1,846	1,664
Other regulatory assets	930	860
Other current assets	310	344
Total current assets	10,979	10,416
Property, Plant, and Equipment:
In service	119,852	117,529
Less: Accumulated depreciation	36,500	35,297
Plant in service, net of depreciation	83,352	82,232
Construction work in progress	11,992	10,896
Total property, plant, and equipment	96,767	94,570
Other Property and Investments:
Total other property and investments	9,845	9,757
Deferred Charges and Other Assets:
Deferred charges related to income taxes	892	866
Regulatory assets – asset retirement obligations, deferred	5,681	5,764
Other regulatory assets, deferred	5,806	5,918
Other deferred charges and assets	1,469	1,485
Total deferred charges and other assets	19,525	20,148
Total Assets	137,116	134,891
Current Liabilities:
Securities due within one year	4,063	4,285
Notes payable	1,647	2,609
Accounts payable —
Accrued compensation	719	1,127
Asset retirement obligations	715	694
Other regulatory liabilities	268	382
Other current liabilities	870	787
Total current liabilities	13,240	15,724
Long-term Debt	55,134	50,656
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	10,623	10,036
Deferred credits related to income taxes	4,965	5,235
Employee benefit obligations	1,217	1,238
Asset retirement obligations, deferred	10,127	10,146
Other cost of removal obligations	1,932	1,903
Other regulatory liabilities, deferred	691	733
Other deferred credits and liabilities	1,092	1,167
Total deferred credits and other liabilities	34,094	33,979
Total Liabilities	102,468	100,359
Total Liabilities and Stockholders' Equity	137,116	134,891
Mississippi Power
Current Assets:
Cash and cash equivalents	19	59
Receivables —
Unbilled revenues	47	47
Other accounts and notes	26	35
Fossil fuel for generation	58	44
Materials and supplies	83	80
Other regulatory assets	67	72
Other current assets	12	38
Total current assets	400	504
Property, Plant, and Equipment:
In service	5,417	5,254
Less: Accumulated depreciation	1,729	1,689
Plant in service, net of depreciation	3,688	3,565
Construction work in progress	177	208
Total property, plant, and equipment	3,865	3,773
Other Property and Investments:
Total other property and investments	162	167
Deferred Charges and Other Assets:
Deferred charges related to income taxes	29	30
Prepaid pension costs	118	109
Regulatory assets – asset retirement obligations, deferred	240	239
Other regulatory assets, deferred	258	249
Accumulated deferred income taxes	100	107
Other deferred charges and assets	77	94
Total deferred charges and other assets	822	828
Total Assets	5,249	5,272
Current Liabilities:
Securities due within one year	201	1
Notes payable	53	0
Accounts payable —
Accrued taxes	63	124
Accrued compensation	24	37
Asset retirement obligations	26	37
Other regulatory liabilities	35	43
Other current liabilities	86	85
Total current liabilities	632	554
Long-term Debt	1,444	1,544
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	467	466
Deferred credits related to income taxes	232	253
Employee benefit obligations	68	69
Asset retirement obligations, deferred	149	142
Other cost of removal obligations	197	196
Other regulatory liabilities, deferred	79	96
Other deferred credits and liabilities	33	21
Total deferred credits and other liabilities	1,225	1,243
Total Liabilities	3,301	3,341
Total common stockholders' equity	1,948	1,931
Total Liabilities and Stockholders' Equity	5,249	5,272
Mississippi Power | Nonrelated Party
Receivables —
Customer and affiliated accounts, net	68	47
Accounts payable —
Affiliated	70	106
Other	70	106
Mississippi Power | Related Party
Receivables —
Customer and affiliated accounts, net	20	82
Accounts payable —
Affiliated	74	121
Other	$ 74	$ 121