Statements of Operations and Comprehensive Income - BGE - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating revenues
Revenues from alternative revenue programs	$ 696	$ 161	$ 171
Total operating revenues	21,727	19,078	17,938
Operating expenses
Operating and maintenance	4,559	4,673	4,547
Depreciation and amortization	3,506	3,325	3,033
Taxes other than income taxes	1,408	1,390	1,291
Total operating expenses	17,714	15,761	15,256
Gain (loss) on sale of assets and businesses	10	(2)	0
Operating income	4,023	3,315	2,682
Other income and (deductions)
Interest expense, net	(1,704)	(1,422)	(1,264)
Other, net	408	535	261
Total other income and (deductions)	(1,321)	(912)	(1,028)
Income before income taxes	2,702	2,403	1,654
Income taxes	374	349	38
Net income	2,328	2,171	1,829
Comprehensive income	2,240	2,260	2,479
Related Party
Operating expenses
Purchased power and/or fuel from affiliates	0	159	1,178
Baltimore Gas and Electric Company
Operating revenues
Revenues from alternative revenue programs	84	(47)	12
Total operating revenues	4,027	3,895	3,341
Operating expenses
Operating and maintenance	520	670	618
Depreciation and amortization	654	630	591
Taxes other than income taxes	319	302	283
Total operating expenses	3,245	3,376	2,860
Operating income	782	519	481
Other income and (deductions)
Interest expense, net	(182)	(152)	(138)
Other, net	18	21	30
Total other income and (deductions)	(164)	(131)	(108)
Income before income taxes	618	388	373
Income taxes	133	8	(35)
Net income	485	380	408
Comprehensive income	485	380	408
Baltimore Gas and Electric Company | Related Party
Operating revenues
Operating revenues from affiliates	9	15	31
Operating expenses
Purchased power and/or fuel from affiliates	0	18	233
Operating and maintenance from affiliates	221	207	193
Electricity, US Regulated
Operating revenues
Operating revenues	19,267	16,899	16,245
Operating expenses
Purchased power and/or fuel	7,648	5,380	4,703
Electricity, US Regulated | Baltimore Gas and Electric Company
Operating revenues
Operating revenues	3,065	2,890	2,497
Operating expenses
Purchased power and/or fuel	1,311	1,186	699
Natural Gas, US Regulated
Operating revenues
Operating revenues	1,764	2,018	1,522
Operating expenses
Purchased power and/or fuel	593	834	504
Natural Gas, US Regulated | Baltimore Gas and Electric Company
Operating revenues
Operating revenues	869	1,037	801
Operating expenses
Purchased power and/or fuel	$ 220	$ 363	$ 243