Condensed Balance Sheets (Unaudited) - MPC - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Current Assets:
Cash and cash equivalents	$ 1,053	$ 1,917
Receivables —
Customer accounts	1,890	2,128
Unbilled revenues	596	1,012
Other accounts and notes	510	637
Fossil fuel for generation	778	575
Materials and supplies	1,756	1,664
Assets from risk management activities	53	115
Other regulatory assets	936	860
Other current assets	395	344
Total current assets	9,555	10,416
Property, Plant, and Equipment:
In service	118,690	117,529
Less: Accumulated depreciation	35,990	35,297
Plant in service, net of depreciation	82,700	82,232
Construction work in progress	11,510	10,896
Total property, plant, and equipment	95,630	94,570
Other Property and Investments:
Total other property and investments	9,827	9,757
Deferred Charges and Other Assets:
Deferred charges related to income taxes	876	866
Regulatory assets – asset retirement obligations, deferred	5,701	5,764
Other regulatory assets, deferred	5,886	5,918
Other deferred charges and assets	1,456	1,485
Total deferred charges and other assets	19,744	20,148
Total Assets	134,756	134,891
Current Liabilities:
Securities due within one year	4,363	4,285
Notes payable	2,554	2,609
Accounts payable —
Accrued compensation	617	1,127
Asset retirement obligations	709	694
Other regulatory liabilities	287	382
Other current liabilities	915	787
Total current liabilities	13,893	15,724
Long-term Debt	52,060	50,656
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	10,488	10,036
Deferred credits related to income taxes	5,107	5,235
Employee benefit obligations	1,222	1,238
Asset retirement obligations, deferred	10,209	10,146
Other cost of removal obligations	1,921	1,903
Other regulatory liabilities, deferred	690	733
Other deferred credits and liabilities	1,118	1,167
Total deferred credits and other liabilities	34,241	33,979
Total Liabilities	100,194	100,359
Total Liabilities and Stockholders' Equity	134,756	134,891
Mississippi Power
Current Assets:
Cash and cash equivalents	18	59
Receivables —
Customer accounts	69	47
Unbilled revenues	37	47
Affiliated	26	82
Other accounts and notes	29	35
Fossil fuel for generation	51	44
Materials and supplies	80	80
Other regulatory assets	80	72
Other current assets	13	38
Total current assets	403	504
Property, Plant, and Equipment:
In service	5,319	5,254
Less: Accumulated depreciation	1,723	1,689
Plant in service, net of depreciation	3,596	3,565
Construction work in progress	225	208
Total property, plant, and equipment	3,821	3,773
Other Property and Investments:
Total other property and investments	165	167
Deferred Charges and Other Assets:
Deferred charges related to income taxes	29	30
Prepaid pension costs	114	109
Regulatory assets – asset retirement obligations, deferred	239	239
Other regulatory assets, deferred	253	249
Accumulated deferred income taxes	103	107
Other deferred charges and assets	89	94
Total deferred charges and other assets	827	828
Total Assets	5,216	5,272
Current Liabilities:
Securities due within one year	1	1
Notes payable	126	0
Accounts payable —
Affiliated	69	121
Other	75	106
Accrued taxes	62	124
Accrued compensation	20	37
Asset retirement obligations	35	37
Other regulatory liabilities	25	43
Other current liabilities	81	85
Total current liabilities	494	554
Long-term Debt	1,544	1,544
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	470	466
Deferred credits related to income taxes	247	253
Employee benefit obligations	69	69
Asset retirement obligations, deferred	143	142
Other cost of removal obligations	196	196
Other regulatory liabilities, deferred	84	96
Other deferred credits and liabilities	26	21
Total deferred credits and other liabilities	1,235	1,243
Total Liabilities	3,273	3,341
Total common stockholders' equity	1,943	1,931
Total Liabilities and Stockholders' Equity	$ 5,216	$ 5,272