Balance Sheets - MEC - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 1,565	$ 1,591
Inventories	1,509	1,256
Other current assets	1,355	1,345
Total current assets	10,198	11,002
Regulatory assets	4,167	3,743
Investments and restricted cash and cash equivalents and investments	9,510	11,273
Other assets	3,170	3,290
Total assets	137,840	133,840
Current liabilities:
Accounts payable	3,175	2,679
Accrued interest	625	558
Accrued property, income and other taxes	828	746
Subsidiary debt, current	2,740	3,201
Other current liabilities	1,551	1,677
Total current liabilities	13,421	10,313
Subsidiary debt	36,231	35,238
Regulatory liabilities	6,644	7,070
Deferred income taxes	12,437	12,678
Other long-term liabilities	6,166	4,706
Total liabilities	88,100	83,201
Commitments and contingencies
Equity:
Common stock	0	0
Additional paid-in capital	5,573	6,298
Retained earnings	44,765	41,833
Total shareholder's equity	48,434	46,832
Total liabilities and shareholder's equity	137,840	133,840
MEC
Current assets:
Cash and cash equivalents	636	258
Trade receivables, net	272	536
Income taxes receivable	1	42
Inventories	364	277
Prepayments	113	91
Other current assets	39	66
Total current assets	1,425	1,270
Property, plant and equipment, net	21,970	21,091
Regulatory assets	600	550
Investments and restricted cash and cash equivalents and investments	1,030	902
Other assets	210	165
Total assets	25,235	23,978
Current liabilities:
Accounts payable	543	536
Accrued interest	106	85
Accrued property, income and other taxes	197	170
Subsidiary debt, current	539	317
Other current liabilities	102	93
Total current liabilities	1,487	1,201
Subsidiary debt	8,227	7,412
Regulatory liabilities	1,079	1,119
Deferred income taxes	3,494	3,433
Asset retirement obligations	768	683
Other long-term liabilities	577	485
Total liabilities	15,632	14,333
Commitments and contingencies
Equity:
Common stock	0	0
Additional paid-in capital	561	561
Retained earnings	9,042	9,084
Total shareholder's equity	9,603	9,645
Total liabilities and shareholder's equity	$ 25,235	$ 23,978