Consolidated Balance Sheets (Unaudited) - ComEd - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Current assets
Cash and cash equivalents	$ 720	$ 445
Restricted cash and cash equivalents	489	482
Accounts receivable
Customer accounts receivable	2,896	2,659
Customer allowance for credit losses	(346)	(317)
Customer accounts receivable, net	2,550	2,342
Other accounts receivable	1,131	1,101
Other allowance for credit losses	(96)	(82)
Other accounts receivable, net	1,035	1,019
Inventories, net
Regulatory assets	2,035	2,215
Other	595	473
Total current assets	8,212	7,777
Property, plant and equipment, net	74,604	73,593
Deferred debits and other assets
Regulatory assets	8,701	8,698
Goodwill	6,630	6,630
Receivable related to Regulatory Agreement Units	3,382	3,232
Investments	263	251
Other	1,419	1,365
Total deferred debits and other assets	20,395	20,176
Total assets	103,211	101,546
Current liabilities
Short-term borrowings	2,206	2,523
Long-term Debt and Lease Obligation, Current	503	1,403
Accrued expenses	1,076	1,375
Customer deposits	419	411
Regulatory liabilities	400	389
Mark-to-market derivative liabilities	29	74
Other	516	557
Total current liabilities	7,975	9,591
Long-term debt	42,271	39,692
Long-term debt to financing trusts	390	390
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits	12,199	11,956
Regulatory liabilities	9,706	9,576
Asset retirement obligations	270	267
Non-pension postretirement benefit obligations	523	527
Mark-to-market derivative liabilities	80	106
Other	2,142	2,088
Total deferred credits and other liabilities	26,514	26,118
Total liabilities	77,150	75,791
Commitments and contingencies
Shareholders’ equity
Common stock	21,129	21,114
Retained earnings	5,767	5,490
Total shareholders’ equity	26,061	25,755
Total liabilities and shareholders’ equity	103,211	101,546
Related Party
Current liabilities
Accounts payable	5	5
Long-term debt to financing trusts	390	390
Nonrelated Party
Current liabilities
Accounts payable	2,814	2,846
Commonwealth Edison Co
Current assets
Cash and cash equivalents	100	110
Restricted cash and cash equivalents	428	402
Accounts receivable
Customer accounts receivable	1,003	860
Customer allowance for credit losses	(82)	(69)
Customer accounts receivable, net	921	791
Other accounts receivable	230	242
Other allowance for credit losses	(19)	(17)
Other accounts receivable, net	211	225
Inventories, net
Inventories, net	289	279
Regulatory assets	1,137	1,335
Other	141	123
Total current assets	3,230	3,268
Property, plant and equipment, net	29,371	29,088
Deferred debits and other assets
Regulatory assets	2,706	2,794
Goodwill	2,625	2,625
Receivable related to Regulatory Agreement Units	3,078	2,954
Investments	6	6
Prepaid pension asset	1,207	1,217
Total deferred debits and other assets	10,531	10,471
Total assets	43,132	42,827
Current liabilities
Short-term borrowings	730	602
Long-term Debt and Lease Obligation, Current	250	250
Accrued expenses	414	576
Customer deposits	122	118
Regulatory liabilities	191	191
Mark-to-market derivative liabilities	29	27
Total current liabilities	2,881	2,922
Long-term debt	11,237	11,236
Deferred credits and other liabilities
Deferred income taxes and unamortized investment tax credits	5,384	5,327
Regulatory liabilities	7,697	7,493
Asset retirement obligations	150	149
Non-pension postretirement benefit obligations	163	161
Mark-to-market derivative liabilities	79	106
Other	935	865
Total deferred credits and other liabilities	14,408	14,101
Total liabilities	28,731	28,464
Commitments and contingencies
Shareholders’ equity
Common stock	1,588	1,588
Other paid-in capital	10,440	10,401
Retained earnings	2,373	2,374
Total shareholders’ equity	14,401	14,363
Total liabilities and shareholders’ equity	43,132	42,827
Commonwealth Edison Co | Related Party
Accounts receivable
Receivables from affiliates	3	3
Current liabilities
Accounts payable	72	72
Long-term debt to financing trusts	205	205
Commonwealth Edison Co | Nonrelated Party
Deferred debits and other assets
Other	909	875
Current liabilities
Accounts payable	859	867
Other	$ 214	$ 219