0001001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 1001002 - Statement - CONSOLIDATED INCOME STATEMENT (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 1002003 - Statement - CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 1003004 - Statement - CONSOLIDATED STATEMENT OF CASH FLOWS (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 1004005 - Statement - CONSOLIDATED BALANCE SHEET (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 1005006 - Statement - CONSOLIDATED BALANCE SHEET (UNAUDITED) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1006007 - Statement - CONSOLIDATED STATEMENT OF EQUITY (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 1007008 - Statement - CONSOLIDATED STATEMENT OF EQUITY (UNAUDITED) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 2101101 - Disclosure - General link:presentationLink link:calculationLink link:definitionLink 2402401 - Disclosure - General (Details) link:presentationLink link:calculationLink link:definitionLink 2103102 - Disclosure - Summary of Significant Accounting Policies and Other Matters link:presentationLink link:calculationLink link:definitionLink 2204201 - Disclosure - Summary of Significant Accounting Policies and Other Matters (Policies) link:presentationLink link:calculationLink link:definitionLink 2305301 - Disclosure - Summary of Significant Accounting Policies and Other Matters (Tables) link:presentationLink link:calculationLink link:definitionLink 2406402 - Disclosure - Summary of Significant Accounting Policies and Other Matters - Investments (Details) link:presentationLink link:calculationLink link:definitionLink 2407403 - Disclosure - Summary of Significant Accounting Policies and Other Matters - Earnings Per Common Share (Details) link:presentationLink link:calculationLink link:definitionLink 2408404 - Disclosure - Summary of Significant Accounting Policies and Other Matters - Changes in Accumulated Other Comprehensive Income/(Loss) (Details) link:presentationLink link:calculationLink link:definitionLink 2409405 - Disclosure - Summary of Significant Accounting Policies and Other Matters - Reconciliation of Cash, Temporary Investments and Restricted Cash (Details) link:presentationLink link:calculationLink link:definitionLink 2110103 - Disclosure - Regulatory Matters link:presentationLink link:calculationLink link:definitionLink 2311302 - Disclosure - Regulatory Matters (Tables) link:presentationLink link:calculationLink link:definitionLink 2412406 - Disclosure - Regulatory Matters - Rate Plans (Details) link:presentationLink link:calculationLink link:definitionLink 2413407 - Disclosure - Regulatory Matters - COVID-19 Regulatory Matters (Details) link:presentationLink link:calculationLink link:definitionLink 2414408 - Disclosure - Regulatory Matters - Other Regulatory Matters (Details) link:presentationLink link:calculationLink link:definitionLink 2415409 - Disclosure - Regulatory Matters - Regulatory Assets (Details) link:presentationLink link:calculationLink link:definitionLink 2416410 - Disclosure - Regulatory Matters - Regulatory Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2117104 - Disclosure - Capitalization link:presentationLink link:calculationLink link:definitionLink 2318303 - Disclosure - Capitalization (Tables) link:presentationLink link:calculationLink link:definitionLink 2419411 - Disclosure - Capitalization - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2420412 - Disclosure - Capitalization - Carrying Amounts and Fair Values of Long-Term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 2121105 - Disclosure - Short-Term Borrowing link:presentationLink link:calculationLink link:definitionLink 2422413 - Disclosure - Short-Term Borrowing (Details) link:presentationLink link:calculationLink link:definitionLink 2123106 - Disclosure - Pension Benefits link:presentationLink link:calculationLink link:definitionLink 2324304 - Disclosure - Pension Benefits (Tables) link:presentationLink link:calculationLink link:definitionLink 2425414 - Disclosure - Pension Benefits - Total Periodic Benefit Costs (Details) link:presentationLink link:calculationLink link:definitionLink 2426415 - Disclosure - Pension Benefits - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2127107 - Disclosure - Other Postretirement Benefits link:presentationLink link:calculationLink link:definitionLink 2328305 - Disclosure - Other Postretirement Benefits (Tables) link:presentationLink link:calculationLink link:definitionLink 2429416 - Disclosure - Other Postretirement Benefits - Periodic Postretirement Benefit Costs (Details) link:presentationLink link:calculationLink link:definitionLink 2430417 - Disclosure - Other Postretirement Benefits - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2131108 - Disclosure - Environmental Matters link:presentationLink link:calculationLink link:definitionLink 2332306 - Disclosure - Environmental Matters (Tables) link:presentationLink link:calculationLink link:definitionLink 2433418 - Disclosure - Environmental Matters - Accrued Liabilities and Regulatory Assets (Details) link:presentationLink link:calculationLink link:definitionLink 2434419 - Disclosure - Environmental Matters - Environmental Remediation Costs (Details) link:presentationLink link:calculationLink link:definitionLink 2435420 - Disclosure - Environmental Matters - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2436421 - Disclosure - Environmental Matters - Accrued Liability (Details) link:presentationLink link:calculationLink link:definitionLink 2137109 - Disclosure - Other Material Contingencies link:presentationLink link:calculationLink link:definitionLink 2338307 - Disclosure - Other Material Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 2439422 - Disclosure - Other Material Contingencies - Manhattan Explosion and Fire (Details) link:presentationLink link:calculationLink link:definitionLink 2440423 - Disclosure - Other Material Contingencies - Guarantees (Details) link:presentationLink link:calculationLink link:definitionLink 2441424 - Disclosure - Other Material Contingencies - Con Edison Transmission (Details) link:presentationLink link:calculationLink link:definitionLink 2442425 - Disclosure - Other Material Contingencies - Other (Details) link:presentationLink link:calculationLink link:definitionLink 2143110 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 2344308 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 2445426 - Disclosure - Leases - Lease Cost and Cash Flows (Details) link:presentationLink link:calculationLink link:definitionLink 2446427 - Disclosure - Leases - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2447428 - Disclosure - Leases - Other Related Information (Details) link:presentationLink link:calculationLink link:definitionLink 2448429 - Disclosure - Leases - Future Minimum Lease Payments (Details) link:presentationLink link:calculationLink link:definitionLink 2448429 - Disclosure - Leases - Future Minimum Lease Payments (Details) link:presentationLink link:calculationLink link:definitionLink 2149111 - Disclosure - Income Tax link:presentationLink link:calculationLink link:definitionLink 2350309 - Disclosure - Income Tax (Tables) link:presentationLink link:calculationLink link:definitionLink 2451430 - Disclosure - Income Tax - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2452431 - Disclosure - Income Tax - Income Tax Reconciliation (Details) link:presentationLink link:calculationLink link:definitionLink 2153112 - Disclosure - Revenue Recognition link:presentationLink link:calculationLink link:definitionLink 2354310 - Disclosure - Revenue Recognition (Tables) link:presentationLink link:calculationLink link:definitionLink 2455432 - Disclosure - Revenue Recognition - Disaggregation of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 2456433 - Disclosure - Revenue Recognition - Change in Unbilled Contract and Unearned Revenues (Details) link:presentationLink link:calculationLink link:definitionLink 2457434 - Disclosure - Revenue Recognition - Revenue Recognition, Remaining Performance Obligation (Details) link:presentationLink link:calculationLink link:definitionLink 2457434 - Disclosure - Revenue Recognition - Revenue Recognition, Remaining Performance Obligation (Details) link:presentationLink link:calculationLink link:definitionLink 2458435 - Disclosure - Revenue Recognition - Additional information (Details) link:presentationLink link:calculationLink link:definitionLink 2159113 - Disclosure - Current Expected Credit Losses link:presentationLink link:calculationLink link:definitionLink 2360311 - Disclosure - Current Expected Credit Losses (Tables) link:presentationLink link:calculationLink link:definitionLink 2461436 - Disclosure - Current Expected Credit Losses (Details) link:presentationLink link:calculationLink link:definitionLink 2162114 - Disclosure - Financial Information by Business Segment link:presentationLink link:calculationLink link:definitionLink 2363312 - Disclosure - Financial Information by Business Segment (Tables) link:presentationLink link:calculationLink link:definitionLink 2464437 - Disclosure - Financial Information by Business Segment (Details) link:presentationLink link:calculationLink link:definitionLink 2165115 - Disclosure - Derivative Instruments and Hedging Activities link:presentationLink link:calculationLink link:definitionLink 2366313 - Disclosure - Derivative Instruments and Hedging Activities (Tables) link:presentationLink link:calculationLink link:definitionLink 2467438 - Disclosure - Derivative Instruments and Hedging Activities - Fair Values of Commodity Derivatives Including Offsetting (Details) link:presentationLink link:calculationLink link:definitionLink 2467438 - Disclosure - Derivative Instruments and Hedging Activities - Fair Values of Commodity Derivatives Including Offsetting (Details) link:presentationLink link:calculationLink link:definitionLink 2468439 - Disclosure - Derivative Instruments and Hedging Activities - Realized and Unrealized Gains (Losses) on Commodity Derivatives (Details) link:presentationLink link:calculationLink link:definitionLink 2469440 - Disclosure - Derivative Instruments and Hedging Activities - Hedged Volume of Derivative Transactions (Details) link:presentationLink link:calculationLink link:definitionLink 2470441 - Disclosure - Derivative Instruments and Hedging Activities - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2471442 - Disclosure - Derivative Instruments and Hedging Activities - Credit-Risk-Related Contingent Features (Details) link:presentationLink link:calculationLink link:definitionLink 2172116 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 2373314 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 2474443 - Disclosure - Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 2475444 - Disclosure - Fair Value Measurements - Schedule of Commodity Derivatives (Details) link:presentationLink link:calculationLink link:definitionLink 2476445 - Disclosure - Fair Value Measurements - Reconciliation of Assets and Liabilities Measured at Level 3 Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 2477446 - Disclosure - Fair Value Measurements - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2178117 - Disclosure - Variable Interest Entities link:presentationLink link:calculationLink link:definitionLink 2379315 - Disclosure - Variable Interest Entities (Tables) link:presentationLink link:calculationLink link:definitionLink 2480447 - Disclosure - Variable Interest Entities - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2481448 - Disclosure - Variable Interest Entities - Net Assets (Details) link:presentationLink link:calculationLink link:definitionLink 2182118 - Disclosure - New Financial Accounting Standards link:presentationLink link:calculationLink link:definitionLink 2183119 - Disclosure - Dispositions link:presentationLink link:calculationLink link:definitionLink 2484449 - Disclosure - Dispositions (Details) link:presentationLink link:calculationLink link:definitionLink