Consolidated Statements of Operations and Comprehensive Income (Unaudited) - ComEd - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Operating revenues
Revenues from alternative revenue programs	$ 108	$ 64	$ 513	$ 92
Total operating revenues	5,980	4,845	16,360	14,412
Operating expenses
Operating and maintenance	1,187	1,148	3,535	3,436
Depreciation and amortization	890	825	2,616	2,472
Taxes other than income taxes	383	377	1,063	1,061
Total operating expenses	4,857	3,834	13,429	11,804
Gain (loss) on sale of assets and businesses	0	0	0	(2)
Operating income	1,123	1,011	2,931	2,606
Other income and (deductions)
Interest expense, net	(431)	(359)	(1,259)	(1,044)
Other, net	81	122	331	435
Total other income and (deductions)	(356)	(243)	(946)	(628)
Income before income taxes	767	768	1,985	1,978
Income taxes	67	92	274	356
Net income	700	676	1,711	1,739
Comprehensive income	734	685	1,753	1,774
Related Party
Operating expenses
Purchased power from affiliate	0	0	0	159
Other income and (deductions)
Interest expense to affiliates	(6)	(6)	(18)	(19)
Commonwealth Edison Co
Operating revenues
Revenues from alternative revenue programs	135	88	405	163
Total operating revenues	2,268	1,378	5,836	4,536
Operating expenses
Operating and maintenance	293	286	814	809
Depreciation and amortization	357	333	1,045	982
Taxes other than income taxes	100	104	282	289
Total operating expenses	1,738	913	4,472	3,357
Gain (loss) on sale of assets and businesses	0	0	0	(2)
Operating income	530	465	1,364	1,177
Other income and (deductions)
Interest expense, net	(116)	(101)	(347)	(298)
Other, net	16	14	50	40
Total other income and (deductions)	(103)	(90)	(307)	(268)
Income before income taxes	427	375	1,057	909
Income taxes	94	84	235	203
Net income	333	291	822	706
Comprehensive income	333	291	822	706
Commonwealth Edison Co | Related Party
Operating revenues
Operating revenues from affiliates	9	6	14	14
Operating expenses
Purchased power from affiliate	0	0	0	59
Operating and maintenance from affiliates	92	69	263	236
Other income and (deductions)
Interest expense to affiliates	(3)	(3)	(10)	(10)
Electricity, US Regulated
Operating revenues
Electric operating revenues	5,684	4,557	14,579	12,972
Operating expenses
Purchased power and/or fuel	2,364	1,404	5,766	4,152
Electricity, US Regulated | Commonwealth Edison Co
Operating revenues
Electric operating revenues	2,124	1,284	5,417	4,359
Operating expenses
Purchased power and/or fuel	896	121	2,068	982
Natural Gas, US Regulated
Operating revenues
Electric operating revenues	188	224	1,268	1,348
Operating expenses
Purchased power and/or fuel	$ 33	$ 80	$ 449	$ 524