Consolidated Statements of Operations and Comprehensive Income (Unaudited) - ComEd - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating revenues
Revenues from alternative revenue programs	$ 106	$ 279
Total operating revenues	6,043	5,563
Operating expenses
Operating and maintenance	1,271	1,151
Depreciation and amortization	879	860
Taxes other than income taxes	371	355
Total operating expenses	4,931	4,457
Gain on sales of assets	2	0
Operating income	1,114	1,106
Other income and (deductions)
Interest expense, net	(462)	(406)
Other, net	75	109
Total other income and (deductions)	(393)	(303)
Income before income taxes	721	803
Income taxes	63	134
Net income	658	669
Related Party
Other income and (deductions)
Interest expense to affiliates	(6)	(6)
Commonwealth Edison Co
Operating revenues
Revenues from alternative revenue programs	19	153
Total operating revenues	2,095	1,667
Operating expenses
Operating and maintenance	318	254
Depreciation and amortization	362	338
Taxes other than income taxes	94	93
Total operating expenses	1,781	1,256
Operating income	314	411
Other income and (deductions)
Interest expense, net	(119)	(114)
Other, net	20	18
Total other income and (deductions)	(102)	(99)
Income before income taxes	212	312
Income taxes	19	71
Net income	193	241
Comprehensive income	193	241
Commonwealth Edison Co | Related Party
Operating revenues
Operating revenues from affiliates	2	3
Operating expenses
Operating and maintenance from affiliates	100	83
Other income and (deductions)
Interest expense to affiliates	(3)	(3)
Electricity, US Regulated
Operating revenues
Electric operating revenues	5,198	4,462
Operating expenses
Purchased power and/or fuel	2,197	1,733
Electricity, US Regulated | Commonwealth Edison Co
Operating revenues
Electric operating revenues	2,074	1,511
Operating expenses
Purchased power and/or fuel	907	488
Natural Gas, US Regulated
Operating revenues
Electric operating revenues	739	822
Operating expenses
Purchased power and/or fuel	$ 213	$ 358