Balance Sheets (Unaudited) - MEC - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 2,229	$ 1,591
Inventories	1,429	1,256
Other current assets	770	1,345
Total current assets	12,626	11,002
Regulatory assets	4,060	3,743
Investments and restricted cash and cash equivalents and investments	10,562	11,273
Other assets	3,416	3,290
Total assets	137,751	133,840
Current liabilities:
Accounts payable	2,502	2,679
Accrued interest	563	558
Accrued property, income and other taxes	1,287	746
Current portion of long-term debt	3,199	3,201
Other current liabilities	1,648	1,677
Total current liabilities	11,860	10,313
Regulatory liabilities	6,423	7,070
Deferred income taxes	12,726	12,678
Other long-term liabilities	5,359	4,706
Total liabilities	84,791	83,201
Commitments and contingencies
Equity:
Common stock	0	0
Additional paid-in capital	6,298	6,298
Retained earnings	43,880	41,833
Total shareholder's equity, parent	49,183	46,832
Total liabilities and equity	137,751	133,840
MEC
Current assets:
Cash and cash equivalents	454	258
Trade receivables, net	329	536
Income tax receivable	7	42
Inventories	320	277
Prepayments	107	91
Other current assets	30	66
Total current assets	1,247	1,270
Property, plant and equipment, net	21,145	21,091
Regulatory assets	603	550
Investments and restricted cash and cash equivalents and investments	980	902
Other assets	168	165
Total assets	24,143	23,978
Current liabilities:
Accounts payable	384	536
Accrued interest	83	85
Accrued property, income and other taxes	242	170
Current portion of long-term debt	253	317
Other current liabilities	133	93
Total current liabilities	1,095	1,201
Long-term debt	7,415	7,412
Regulatory liabilities	816	1,119
Deferred income taxes	3,503	3,433
Asset retirement obligations	782	683
Other long-term liabilities	508	485
Total liabilities	14,119	14,333
Commitments and contingencies
Equity:
Common stock	0	0
Additional paid-in capital	561	561
Retained earnings	9,463	9,084
Total shareholder's equity, parent	10,024	9,645
Total liabilities and equity	$ 24,143	$ 23,978