Consolidated Balance Sheets - ComEd - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Current assets
Cash and cash equivalents	$ 445	$ 407
Restricted cash and cash equivalents	482	566
Accounts receivable
Customer accounts receivable	2,659	2,544
Customer allowance for credit losses	(317)	(327)
Customer accounts receivable, net	2,342	2,217
Other accounts receivable	1,101	1,426
Other allowance for credit losses	(82)	(82)
Other accounts receivable, net	1,019	1,344
Inventories, net
Fossil fuel	94	208
Materials and supplies	707	547
Regulatory assets	2,215	1,641
Other	473	406
Total current assets	7,777	7,336
Property, plant and equipment, net	73,593	69,076
Deferred debits and other assets
Regulatory assets	8,698	8,037
Goodwill	6,630	6,630
Receivable related to Regulatory Agreement Units	3,232	2,897
Investments	251	232
Total deferred debits and other assets	20,176	18,937
Total assets	101,546	95,349
Current liabilities
Short-term borrowings	2,523	2,586
Long-term debt due within one year	1,403	1,802
Accrued expenses	1,375	1,226
Regulatory liabilities	389	437
Mark-to-market derivative liabilities	74	8
Other	968	1,155
Total current liabilities	9,591	10,611
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits	11,956	11,250
Regulatory liabilities	9,576	9,112
Asset retirement obligations	267	269
Non-pension postretirement benefit obligations	527	507
Mark-to-market derivative liabilities	106	83
Other	2,088	1,967
Total deferred credits and other liabilities	26,118	24,332
Total liabilities	75,791	70,605
Commitments and contingencies
Shareholders’ equity
Common stock	21,114	20,908
Retained earnings	5,490	4,597
Total shareholders’ equity	25,755	24,744
Total liabilities and member's equity	101,546	95,349
Related Party
Current liabilities
Accounts payable	5	5
Long-term debt to financing trusts	390	390
Nonrelated Party
Deferred debits and other assets
Other	1,365	1,141
Current liabilities
Accounts payable	2,846	3,382
Long-term debt	39,692	35,272
Commonwealth Edison Co
Current assets
Cash and cash equivalents	110	67
Restricted cash and cash equivalents	402	327
Accounts receivable
Customer accounts receivable	860	558
Customer allowance for credit losses	(69)	(59)
Customer accounts receivable, net	791	499
Other accounts receivable	242	441
Other allowance for credit losses	(17)	(17)
Other accounts receivable, net	225	424
Inventories, net
Inventories, net	279	196
Regulatory assets	1,335	775
Other	123	92
Total current assets	3,268	2,383
Property, plant and equipment, net	29,088	27,513
Deferred debits and other assets
Regulatory assets	2,794	2,667
Goodwill	2,625	2,625
Receivable related to Regulatory Agreement Units	2,954	2,660
Investments	6	6
Prepaid pension asset	1,217	1,206
Total deferred debits and other assets	10,471	9,765
Total assets	42,827	39,661
Current liabilities
Short-term borrowings	602	577
Long-term debt due within one year	250	0
Accrued expenses	576	415
Customer deposits	118	108
Regulatory liabilities	191	226
Mark-to-market derivative liabilities	27	5
Other	219	191
Total current liabilities	2,922	2,606
Long-term debt	11,236	10,518
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits	5,327	5,021
Regulatory liabilities	7,493	6,913
Asset retirement obligations	149	148
Non-pension postretirement benefit obligations	161	165
Mark-to-market derivative liabilities	106	79
Other	865	642
Total deferred credits and other liabilities	14,101	12,968
Total liabilities	28,464	26,297
Commitments and contingencies
Shareholders’ equity
Common stock	1,588	1,588
Other paid-in capital	10,401	9,746
Retained earnings	2,374	2,030
Total shareholders’ equity	14,363	13,364
Total liabilities and member's equity	42,827	39,661
Commonwealth Edison Co | Related Party
Accounts receivable
Receivable from affiliates	3	3
Current liabilities
Accounts payable	72	74
Long-term debt	205	205
Long-term debt to financing trusts	205	205
Commonwealth Edison Co | Nonrelated Party
Deferred debits and other assets
Other	875	601
Current liabilities
Accounts payable	867	1,010
Long-term debt	$ 11,236	$ 10,518