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v3.21.1

Short-Term Borrowing (Details) | 1 Months Ended |  |
--- | --- | --- | ---
Apr. 30, 2021 USD ($) | Mar. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Short-term Debt [Line Items] |  |  |
Commercial paper, outstanding |  | $ 1,581,000,000 | $ 1,705,000,000
Loans outstanding under the credit agreement |  | 0 | 0
Variable Rate Construction Loan Facility Maturing November 2021 | Clean Energy Businesses | Line of Credit |  |  |
Short-term Debt [Line Items] |  |  |
Outstanding borrowings |  | 472,000,000 | 165,000,000
Banks' commitments under construction loan facility |  | $ 574,000,000 | $ 613,000,000
April 2021 Credit Agreement, Variable Rate 364 Day Term Loan | Line of Credit | Subsequent Event |  |  |
Short-term Debt [Line Items] |  |  |
Maximum borrowing capacity | $ 500,000,000 |  |
Covenant compliance, consolidated debt to consolidated total capital ratio | 0.65 |  |
Covenant compliance, failure to make one or more payments in respect of material financial obligations, amount threshold | $ 150,000,000 |  |
Covenant compliance, event resulting in acceleration of maturity of debt, amount threshold | $ 150,000,000 |  |
Commercial Paper |  |  |
Short-term Debt [Line Items] |  |  |
Weighted average interest rate |  | 0.20% | 0.30%
Debentures | Series 2016A Debentures Maturing May 15, 2021 | Subsequent Event |  |  |
Short-term Debt [Line Items] |  |  |
Interest rate | 2.00% |  |
CECONY |  |  |
Short-term Debt [Line Items] |  |  |
Commercial paper, outstanding |  | $ 1,427,000,000 | $ 1,660,000,000
CECONY | Commercial Paper |  |  |
Short-term Debt [Line Items] |  |  |
Weighted average interest rate |  | 0.20% | 0.30%

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- Definition Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)(2)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(a)(3)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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