Leases - Schedule of Lease Cost and Cash Flows (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Lessee, Lease, Description [Line Items] | ||||
| Operating lease cost | $ 18 | $ 17 | $ 36 | $ 34 |
| Operating lease cash flows | 5 | 4 | 11 | 9 |
| CECONY | ||||
| Lessee, Lease, Description [Line Items] | ||||
| Operating lease cost | 18 | 17 | 36 | 34 |
| Operating lease cash flows | $ 5 | $ 4 | $ 10 | $ 8 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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