XML 80 R66.htm IDEA: XBRL DOCUMENT v3.23.2
Regulatory Matters - Regulatory Liabilities (Details) - USD ($)
$ in Millions
Jun. 30, 2023
Dec. 31, 2022
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent $ 5,481 $ 6,027
Regulatory liabilities – current 154 374
Total Regulatory Liabilities 5,635 6,401
Subsidiaries    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 4,967 5,481
Regulatory liabilities – current 112 308
Future income tax    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 1,649 1,753
Allowance for cost of removal less salvage    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 1,346 1,315
Net unbilled revenue deferrals    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 158 204
Energy efficiency portfolio standard unencumbered funds    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 5 5
Settlement of prudence proceeding    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 8 10
Earnings sharing - electric, gas and steam    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 13 13
System benefit charge carrying charge    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 81 73
BQDM and Demonstration project reconciliations    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 19 23
Pension and other postretirement benefit deferrals    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 179 144
Property tax refunds    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 35 35
COVID - 19 pandemic uncollectible reconciliation deferral    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 9 12
Late payment charge deferral    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 150 127
Unrecognized pension and other postretirement costs    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 1,340 1,638
Net proceeds from sale of property    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 60 69
Sales and use tax refunds    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 32 37
Workers’ compensation    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 13 11
Deferred derivative gains - long term    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 28 145
Other    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 356 413
Refundable energy costs    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – current 49 34
Revenue decoupling mechanism    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – current 4 29
Deferred derivative gains - short term    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – current 101 311
CECONY | Subsidiaries    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 4,967 5,481
Regulatory liabilities – current 112 308
Total Regulatory Liabilities 5,079 5,789
CECONY | Future income tax | Subsidiaries    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 1,514 1,616
CECONY | Allowance for cost of removal less salvage | Subsidiaries    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 1,162 1,137
CECONY | Net unbilled revenue deferrals | Subsidiaries    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 158 204
CECONY | Energy efficiency portfolio standard unencumbered funds | Subsidiaries    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 7 7
CECONY | Settlement of prudence proceeding | Subsidiaries    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 8 10
CECONY | Earnings sharing - electric, gas and steam | Subsidiaries    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 10 10
CECONY | System benefit charge carrying charge | Subsidiaries    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 79 69
CECONY | BQDM and Demonstration project reconciliations | Subsidiaries    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 17 21
CECONY | Pension and other postretirement benefit deferrals | Subsidiaries    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 131 98
CECONY | Property tax refunds | Subsidiaries    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 35 35
CECONY | COVID - 19 pandemic uncollectible reconciliation deferral | Subsidiaries    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 9 12
CECONY | Late payment charge deferral | Subsidiaries    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 145 123
CECONY | Unrecognized pension and other postretirement costs | Subsidiaries    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 1,257 1,536
CECONY | Net proceeds from sale of property | Subsidiaries    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 58 69
CECONY | Sales and use tax refunds | Subsidiaries    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 30 36
CECONY | Workers’ compensation | Subsidiaries    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 13 11
CECONY | Deferred derivative gains - long term | Subsidiaries    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 26 130
CECONY | Other | Subsidiaries    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – noncurrent 308 357
CECONY | Refundable energy costs | Subsidiaries    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – current 19 0
CECONY | Revenue decoupling mechanism | Subsidiaries    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – current 0 21
CECONY | Deferred derivative gains - short term | Subsidiaries    
Regulatory Liabilities [Line Items]    
Regulatory liabilities – current $ 93 $ 287