Balance Sheets - MPC - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Current Assets:
Cash and cash equivalents	$ 1,917	$ 1,798
Receivables —
Customer accounts	2,138	1,806
Unbilled revenues	1,012	711
Other accounts and notes	637	523
Fossil fuel for generation	575	450
Materials and supplies	1,664	1,543
Other regulatory assets	860	653
Other current assets	344	231
Total current assets	10,416	8,965
Property, Plant, and Equipment:
In service	117,529	115,592
Less: Accumulated depreciation	35,297	34,079
Plant in service, net of depreciation	82,232	81,513
Construction work in progress	10,896	8,771
Total property, plant, and equipment	94,570	91,108
Other Property and Investments:
Total other property and investments	9,757	10,202
Deferred Charges and Other Assets:
Deferred charges related to income taxes	866	824
Regulatory assets – asset retirement obligations, deferred	5,764	5,466
Other regulatory assets, deferred	5,918	5,577
Other deferred charges and assets	1,485	1,366
Total deferred charges and other assets	20,148	17,259
Total Assets	134,891	127,534
Current Liabilities:
Securities due within one year	4,285	2,157
Accounts payable —
Accrued compensation	1,127	1,070
Asset retirement obligations	694	697
Other regulatory liabilities	382	563
Other current liabilities	965	872
Total current liabilities	15,724	10,921
Long-Term Debt	50,656	50,120
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	10,036	8,862
Deferred credits related to income taxes	5,235	5,401
Employee benefit obligations	1,238	1,550
Asset retirement obligations, deferred	10,146	10,990
Other cost of removal obligations	1,903	2,103
Other regulatory liabilities, deferred	733	485
Other deferred credits and liabilities	1,167	816
Total deferred credits and other liabilities	33,979	33,926
Total Liabilities	100,359	94,967
Common Stockholders' Equity:
Common stock	5,417	5,279
Paid-in capital	13,673	11,950
Retained earnings (accumulated deficit)	11,538	10,929
Total common stockholders' equity	30,408	27,874
Total Liabilities and Stockholders' Equity	134,891	127,534
Commitments and Contingent Matters
Mississippi Power
Current Assets:
Cash and cash equivalents	59	61
Receivables —
Customer accounts	47	37
Unbilled revenues	47	34
Affiliated	82	29
Other accounts and notes	35	28
Fossil fuel for generation	44	28
Materials and supplies	80	70
Other regulatory assets	72	54
Other current assets	38	41
Total current assets	504	382
Property, Plant, and Equipment:
In service	5,254	5,106
Less: Accumulated depreciation	1,689	1,591
Plant in service, net of depreciation	3,565	3,515
Construction work in progress	208	127
Total property, plant, and equipment	3,773	3,642
Other Property and Investments:
Total other property and investments	167	179
Deferred Charges and Other Assets:
Deferred charges related to income taxes	30	31
Prepaid pension costs(a)	109	79
Regulatory assets – asset retirement obligations, deferred	239	232
Other regulatory assets, deferred	249	317
Accumulated deferred income taxes	107	118
Other deferred charges and assets	94	100
Total deferred charges and other assets	828	877
Total Assets	5,272	5,080
Current Liabilities:
Securities due within one year	1	1
Accounts payable —
Affiliated	121	81
Other	106	47
Accrued taxes	124	120
Accrued compensation	37	36
Asset retirement obligations	37	30
Other regulatory liabilities	43	59
Other current liabilities	85	65
Total current liabilities	554	439
Long-Term Debt	1,544	1,510
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	466	464
Deferred credits related to income taxes	253	269
Employee benefit obligations	69	88
Asset retirement obligations, deferred	142	160
Other cost of removal obligations	196	195
Other regulatory liabilities, deferred	96	64
Other deferred credits and liabilities	21	24
Total deferred credits and other liabilities	1,243	1,264
Total Liabilities	3,341	3,213
Common Stockholders' Equity:
Common stock	38	38
Paid-in capital	4,652	4,582
Retained earnings (accumulated deficit)	(2,759)	(2,753)
Total common stockholders' equity	1,931	1,867
Total Liabilities and Stockholders' Equity	5,272	5,080
Commitments and Contingent Matters