Consolidated Balance Sheets - Exelon - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 445	$ 407	$ 672	$ 432
Restricted cash and cash equivalents	482	566	$ 321	$ 349
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
Unamortized energy contract liabilities	8	10
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
Pension obligations	1,571	1,109
Non-pension postretirement benefit obligations	527	507
Asset retirement obligations	267	269
Mark-to-market derivative liabilities	106	83
Unamortized energy contract liabilities	27	35
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
Treasury stock, at cost	123	123
Retained earnings	5,490	4,597
Accumulated other comprehensive loss, net	(726)	(638)
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