XML 105 R70.htm IDEA: XBRL DOCUMENT
v3.22.0.1

FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Fair Value Disclosures [Abstract] |
Carrying Amounts and Estimated Fair Values of Financial Instruments | The fair values provided in the table below are classified as Level 2 within the fair value hierarchy. Carrying amounts and estimated fair values are as follows:
| Eversource |  | CL&P |  | NSTAR Electric |  | PSNH
(Millions of Dollars) | Carrying Amount |  | Fair Value |  | Carrying Amount |  | Fair Value |  | Carrying Amount |  | Fair Value |  | Carrying Amount |  | Fair Value
As of December 31, 2021: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock Not Subject to Mandatory Redemption | $ | 155.6 |  |  | $ | 166.3 |  |  | $ | 116.2 |  |  | $ | 122.3 |  |  | $ | 43.0 |  |  | $ | 44.0 |  |  | $ | — |  |  | $ | — |
Long-Term Debt | 18,216.7 |  |  | 19,636.3 |  |  | 4,215.4 |  |  | 4,848.9 |  |  | 3,985.4 |  |  | 4,453.5 |  |  | 1,163.8 |  |  | 1,220.6 |
Rate Reduction Bonds | 496.9 |  |  | 543.3 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 496.9 |  |  | 543.3 |
As of December 31, 2020: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock Not Subject to Mandatory Redemption | $ | 155.6 |  |  | $ | 169.1 |  |  | $ | 116.2 |  |  | $ | 123.4 |  |  | $ | 43.0 |  |  | $ | 45.7 |  |  | $ | — |  |  | $ | — |
Long-Term Debt | 16,179.1 |  |  | 18,420.1 |  |  | 3,914.8 |  |  | 4,800.9 |  |  | 3,643.2 |  |  | 4,294.0 |  |  | 1,099.1 |  |  | 1,207.0 |
Rate Reduction Bonds | 540.1 |  |  | 603.4 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 540.1 |  |  | 603.4 |

X
- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13467-108611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueByBalanceSheetGroupingTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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