Consolidated Statements of Operations and Comprehensive Income (Unaudited) - Exelon - USD ($) shares in Millions, $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Operating revenues
Revenues from alternative revenue programs		$ (54)	$ 108	$ (29)	$ 513
Total operating revenues		6,154	5,980	17,557	16,360
Operating expenses
Operating and maintenance		1,275	1,187	3,756	3,535
Depreciation and amortization		908	890	2,681	2,616
Taxes other than income taxes		395	383	1,127	1,063
Total operating expenses		4,961	4,857	14,348	13,429
Gain on sales of assets		3	0	12	0
Operating income		1,196	1,123	3,221	2,931
Other income and (deductions)
Interest expense, net		(490)	(431)	(1,428)	(1,259)
Other, net		57	81	196	331
Total other income and (deductions)		(439)	(356)	(1,250)	(946)
Income (Loss) before income taxes		757	767	1,971	1,985
Income taxes		50	67	158	274
Net income attributable to common shareholders		707	700	1,813	1,711
Net income		707	700	1,813	1,711
Other comprehensive (loss) income, net of income taxes
Actuarial losses reclassified to periodic benefit cost		5	16	15	22
Pension and non-pension postretirement benefit plans valuation adjustments		0	(3)	(26)	(16)
Unrealized (loss) gain on cash flow hedges		(29)	21	1	36
Other comprehensive (loss) income		(24)	34	(10)	42
Comprehensive income		$ 683	$ 734	$ 1,803	$ 1,753
Average shares of common stock outstanding:
Basic average shares of common stock outstanding (in shares)		1,003	996	1,002	996
Assumed exercise and/or distributions of stock-based awards (in shares)	[1]	1	1	0	0
Diluted average shares of common stock outstanding (in shares)		1,004	997	1,002	996
Earnings Per Share [Abstract]
Earnings Per Share, Basic		$ 0.70	$ 0.70	$ 1.81	$ 1.72
Earnings Per Share, Diluted		$ 0.70	$ 0.70	$ 1.81	$ 1.72
Related Party
Other income and (deductions)
Interest expense to affiliates		$ (6)	$ (6)	$ (18)	$ (18)
Electricity, US Regulated
Operating revenues
Electric operating revenues		6,012	5,684	16,379	14,579
Operating expenses
Purchased power and/or fuel		2,349	2,364	6,483	5,766
Natural Gas, US Regulated
Operating revenues
Electric operating revenues		196	188	1,207	1,268
Operating expenses
Purchased power and/or fuel		$ 34	$ 33	$ 301	$ 449

[1] The dilutive effects of stock-based compensation awards are calculated using the treasury stock method for all periods presented.