XML 78 R42.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Other Material Contingencies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract] |
Summary of Total Guarantees | A summary, by type and term, of Con Edison’s total guarantees under these other agreements at December 31, 2019 is as follows:
Guarantee Type | 0 – 3 years |  | 4 – 10 years |  |  | > 10 years |  |  | Total
| (Millions of Dollars)
Con Edison Transmission | $387 |  | $186 |  |  | $— |  |  | $573
Energy transactions | 419 |  | 51 |  | 209 |  | 679
Renewable electric production projects | 70 |  | 9 |  | 431 |  | 510
Other | 69 |  | — |  |  | — |  |  | 69
Total | $945 |  | $246 |  | $640 |  | $1,831

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of each guarantee obligation, or each group of similar guarantee obligations, including (a) the nature of the guarantee, including its term, how it arose, and the events or circumstances that would require the guarantor to perform under the guarantee; (b) the maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee; (c) the current carrying amount of the liability, if any, for the guarantor's obligations under the guarantee; and (d) the nature of any recourse provisions under the guarantee, and any assets held either as collateral or by third parties, and any relevant related party disclosure. Excludes disclosures about product warranties. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=118943654&loc=d3e12069-110248 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=118943654&loc=d3e12265-110248 + Details
Name: | us-gaap_ScheduleOfGuaranteeObligationsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration