Consolidated Balance Sheets - USD ($) $ in Millions		Mar. 31, 2023	Dec. 31, 2022
Current assets
Cash and cash equivalents		$ 237	$ 422
Restricted cash and cash equivalents		99	106
Accounts receivable
Customer accounts receivable (net of allowance for credit losses of $47 and $46 as of March 31, 2023 and December 31, 2022, respectively)		2,147	2,585
Other accounts receivable (net of allowance for credit losses of $5 as of March 31, 2023 and December 31, 2022)		542	731
Mark-to-market derivative assets		1,952	2,368
Inventories, net
Natural gas, oil, and emission allowances		259	429
Materials and supplies		1,085	1,076
Renewable energy credits		720	617
Other		1,067	1,026
Total current assets		8,108	9,360
Property, plant, and equipment (net of accumulated depreciation and amortization of $16,861 and $16,726 as of March 31, 2023 and December 31, 2022, respectively)		20,074	19,822
Deferred debits and other assets
Nuclear decommissioning trust funds		14,606	14,114
Investments		223	202
Mark-to-market derivative assets		1,125	1,261
Deferred income taxes		45	44
Other		1,977	2,106
Total deferred debits and other assets		17,976	17,727
Total assets	[1]	46,158	46,909
Current liabilities
Short-term borrowings		705	1,159
Long-term debt due within one year		161	143
Accounts payable		1,558	2,828
Accrued expenses		743	906
Mark-to-market derivative liabilities		1,573	1,558
Renewable energy credit obligation		865	901
Other		342	344
Total current liabilities		5,947	7,839
Long-term debt		5,763	4,466
Deferred credits and other liabilities
Deferred income taxes and unamortized ITCs		2,982	3,031
Asset retirement obligations		12,831	12,699
Pension obligations		645	605
Non-pension postretirement benefit obligations		633	609
Spent nuclear fuel obligation		1,244	1,230
Payables related to Regulatory Agreement Units		3,069	2,897
Mark-to-market derivative liabilities		700	983
Other		1,258	1,178
Total deferred credits and other liabilities		23,362	23,232
Total liabilities	[1]	35,072	35,537
Commitments and contingencies
Member’s equity
Undistributed earnings		(493)	(496)
Accumulated other comprehensive loss, net		(1,808)	(1,760)
Total liabilities and equity		46,158	46,909
Constellation Energy Generation, LLC
Current assets
Cash and cash equivalents		236	403
Restricted cash and cash equivalents		91	98
Accounts receivable
Customer accounts receivable (net of allowance for credit losses of $47 and $46 as of March 31, 2023 and December 31, 2022, respectively)		2,147	2,585
Other accounts receivable (net of allowance for credit losses of $5 as of March 31, 2023 and December 31, 2022)		529	718
Mark-to-market derivative assets		1,952	2,368
Receivables from affiliates		39	0
Inventories, net
Natural gas, oil, and emission allowances		259	429
Materials and supplies		1,085	1,076
Renewable energy credits		720	617
Other		1,067	1,026
Total current assets		8,125	9,320
Property, plant, and equipment (net of accumulated depreciation and amortization of $16,861 and $16,726 as of March 31, 2023 and December 31, 2022, respectively)		20,074	19,822
Deferred debits and other assets
Nuclear decommissioning trust funds		14,606	14,114
Investments		223	202
Mark-to-market derivative assets		1,125	1,261
Deferred income taxes		45	44
Other		1,977	2,106
Total deferred debits and other assets		17,976	17,727
Total assets	[2]	46,175	46,869
Current liabilities
Short-term borrowings		705	1,159
Long-term debt due within one year		161	143
Accounts payable		1,543	2,810
Accrued expenses		687	869
Payables to affiliates		6	45
Mark-to-market derivative liabilities		1,573	1,558
Renewable energy credit obligation		865	901
Other		325	344
Total current liabilities		5,865	7,829
Long-term debt		5,763	4,466
Deferred credits and other liabilities
Deferred income taxes and unamortized ITCs		2,982	3,031
Asset retirement obligations		12,831	12,699
Pension obligations		645	605
Non-pension postretirement benefit obligations		633	609
Spent nuclear fuel obligation		1,244	1,230
Payables related to Regulatory Agreement Units		3,069	2,897
Mark-to-market derivative liabilities		700	983
Other		1,226	1,106
Total deferred credits and other liabilities		23,330	23,160
Total liabilities	[2]	34,958	35,455
Commitments and contingencies
Member’s equity
Membership interest		12,256	12,408
Undistributed earnings		411	412
Accumulated other comprehensive loss, net		(1,808)	(1,760)
Total member’s equity		10,859	11,060
Noncontrolling interests		358	354
Total equity		11,217	11,414
Total liabilities and equity		$ 46,175	$ 46,869

[1] Our consolidated assets include $2,506 million and $2,641 million at March 31, 2023 and December 31, 2022, respectively, of certain VIEs that can only be used to settle the liabilities of the VIE. Our consolidated liabilities include $1,033 million and $1,041 million at March 31, 2023 and December 31, 2022, respectively, of certain VIEs for which the VIE creditors do not have recourse to us. See Note 14 — Variable Interest Entities for additional information.

[2] Our consolidated assets include $2,506 million and $2,641 million as of March 31, 2023 and December 31, 2022, respectively, of certain VIEs that can only be used to settle the liabilities of the VIE. Our consolidated liabilities include $1,033 million and $1,041 million as of March 31, 2023 and December 31, 2022, respectively, of certain VIEs for which the VIE creditors do not have recourse to us. See Note 14 — Variable Interest Entities for additional information.