Balance Sheets (Unaudited) - MEC - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 1,432	$ 1,096
Income tax receivable	656	344
Inventories	1,091	1,122
Other current assets	815	1,096
Total current assets	8,504	8,248
Regulatory assets	3,458	3,419
Investments and restricted cash, cash equivalents and investments	14,394	15,788
Other assets	3,181	3,144
Total assets	131,469	132,065
Current liabilities:
Accounts payable	1,820	2,136
Accrued interest	644	537
Accrued property, income and other taxes	606	606
Current portion of long-term debt	1,494	1,265
Other current liabilities	1,647	1,837
Total current liabilities	8,458	8,762
Regulatory liabilities	7,063	6,960
Deferred income taxes	12,786	12,938
Other long-term liabilities	4,327	4,319
Total liabilities	81,045	81,476
Commitments and contingencies
Equity:
Common stock	0	0
Additional paid-in capital	6,374	6,374
Retained earnings	40,608	40,754
Total shareholder's equity, parent	46,530	46,694
Total liabilities and equity	131,469	132,065
MEC
Current assets:
Cash and cash equivalents	131	232
Trade receivables, net	468	526
Income tax receivable	297	79
Inventories	185	234
Other current assets	187	123
Total current assets	1,268	1,194
Property, plant and equipment, net	20,344	20,301
Regulatory assets	492	473
Investments and restricted cash, cash equivalents and investments	985	1,026
Other assets	262	263
Total assets	23,351	23,257
Current liabilities:
Accounts payable	429	531
Accrued interest	88	84
Accrued property, income and other taxes	144	158
Current portion of long-term debt	7	0
Other current liabilities	144	145
Total current liabilities	812	918
Long-term debt	7,719	7,721
Regulatory liabilities	1,057	1,080
Deferred income taxes	3,373	3,389
Asset retirement obligations	723	714
Other long-term liabilities	463	475
Total liabilities	14,147	14,297
Commitments and contingencies
Equity:
Common stock	0	0
Additional paid-in capital	561	561
Retained earnings	8,643	8,399
Total shareholder's equity, parent	9,204	8,960
Total liabilities and equity	$ 23,351	$ 23,257