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Fair Value Measurements | 12 Months Ended
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Dec. 31, 2023
Fair Value Disclosures [Abstract] |
Fair Value Measurements | Fair Value Measurements The accounting rules for fair value measurements and disclosures define fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date in a principal or most advantageous market. Fair value is a market-based measurement that is determined based on inputs, that refer broadly to assumptions that market participants use in pricing assets or liabilities. These inputs can be readily observable, market corroborated, or generally unobservable firm inputs. The Companies often make certain assumptions that market participants would use in pricing the asset or liability, including assumptions about risk, and the risks inherent in the inputs to valuation techniques. The Companies use valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs. The accounting rules for fair value measurements and disclosures established a fair value hierarchy, that prioritizes the inputs to valuation techniques used to measure fair value in three broad levels. The rules require that assets and liabilities be classified in their entirety based on the level of input that is significant to the fair value measurement. Assessing the significance of a particular input may require judgment considering factors specific to the asset or liability, and may affect the valuation of the asset or liability and their placement within the fair value hierarchy. The Companies classify fair value balances based on the fair value hierarchy defined by the accounting rules for fair value measurements and disclosures as follows: •Level 1 – Consists of assets or liabilities whose value is based on unadjusted quoted prices in active markets at the measurement date. An active market is one in which transactions for assets or liabilities occur with sufficient frequency and volume to provide pricing information on an ongoing basis. This category includes contracts traded on active exchange markets valued using unadjusted prices quoted directly from the exchange. •Level 2 – Consists of assets or liabilities valued using industry standard models and based on prices, other than quoted prices within Level 1, that are either directly or indirectly observable as of the measurement date. The industry standard models consider observable assumptions including time value, volatility factors and current market and contractual prices for the underlying commodities, in addition to other economic measures. This category includes contracts traded on active exchanges or in over-the-counter markets priced with industry standard models. •Level 3 – Consists of assets or liabilities whose fair value is estimated based on internally developed models or methodologies using inputs that are generally less readily observable and supported by little, if any, market activity at the measurement date. Unobservable inputs are developed based on the best available information and subject to cost benefit constraints. This category includes contracts priced using models that are internally developed and contracts placed in illiquid markets. It also includes contracts that expire after the period of time for which quoted prices are available and internal models are used to determine a significant portion of the value. For information on the measurement of Con Edison's investment in MVP, which was measured at fair value on a non-recurring basis, see Note A. Assets and liabilities measured at fair value on a recurring basis for the years ended December 31, 2023 and 2022 are summarized below.
| 2023 | 2022
(Millions of Dollars) | Level 1 | Level 2 | Level 3 | Netting Adjustment (e) | Total | Level 1 | Level 2 | Level 3 | Netting Adjustment (e) | Total
Con Edison |  |  |  |  |  |  |  |  |  |
Derivative assets: |  |  |  |  |  |  |  |  |  |
Commodity (a)(b)(c) | $6 | $146 | $2 | $(54) | $100 | $84 | $476 | $2 | $(420) | $142
Commodity held for sale (g) | — | — | — | — | — | 6 | 34 | 31 | 2 | 73
Interest rate swaps (a)(b)(c)(f) (g) | — | — | — | — | — | — | 106 | — | — | 106
Other (a)(b)(d) | 505 | 118 | — | — | 623 | 437 | 116 | — | — | 553
Total assets | $511 | $264 | $2 | $(54) | $723 | $527 | $732 | $33 | $(418) | $874
Derivative liabilities: |  |  |  |  |  |  |  |  |  |
Commodity (a)(b)(c) | $22 | $347 | $10 | $(65) | $314 | $18 | $204 | $16 | $(184) | $54
Commodity held for sale (g) | — | — | — | — | — | 8 |  | 24 | 2 | 2 | 36
Total liabilities | $22 | $347 | $10 | $(65) | $314 | $26 | $228 | $18 | $(182) | $90
CECONY |  |  |  |  |  |  |  |  |  |
Derivative assets: |  |  |  |  |  |  |  |  |  |
Commodity (a)(b)(c) | $6 | $143 | $1 | $(52) | $98 | $83 | $434 | $2 | $(388) | $131
Other (a)(b)(d) | 488 | 113 | — | — | 601 | 422 | 110 | — | — | 532
Total assets | $494 | $256 | $1 | $(52) | $699 | $505 | $544 | $2 | $(388) | $663
Derivative liabilities: |  |  |  |  |  |  |  |  |  |
Commodity (a)(b)(c) | $20 | $326 | $6 | $(65) | $287 | $18 | $198 | $8 | $(180) | $44
(a)The Companies’ policy is to review the fair value hierarchy and recognize transfers into and transfers out of the levels at the end of each reporting period. Con Edison and CECONY had $9 million and $6 million of derivative liabilities, respectively, transferred from level 3 to level 2 during the year ended December 31, 2023 because of availability of observable market data due to the decrease in the terms of certain contracts from beyond three years as of September 30, 2023 to less than three years as of December 31, 2023. Con Edison and CECONY had an immaterial amount of commodity derivative liabilities and $10 million and $9 million of commodity derivative assets, respectively, transferred from level 3 to level 2 during the year ended December 31, 2022 because of availability of observable market data due to the decrease in the terms of certain contracts from beyond three years as of September 30, 2022 to less than three years as of December 31, 2022. (b)Level 2 assets and liabilities include investments held in the deferred compensation plan and/or non-qualified retirement plans, exchange-traded contracts where there is insufficient market liquidity to warrant inclusion in Level 1, and certain over-the-counter derivative instruments for electricity, refined products and natural gas. Derivative instruments classified as Level 2 are valued using industry standard models that incorporate corroborated observable inputs, such as pricing services or prices from similar instruments that trade in liquid markets, time value and volatility factors. (c)The accounting rules for fair value measurements and disclosures require consideration of the impact of nonperformance risk (including credit risk) from a market participant perspective in the measurement of the fair value of assets and liabilities. At December 31, 2023 and 2022, the Companies determined that nonperformance risk would have no material impact on their financial position or results of operations. (d)Other assets: Level 1 assets are comprised primarily of mutual/commingled funds, and Level 2 assets are comprised primarily of the cash value of life insurance contracts. (e)Amounts represent the impact of legally-enforceable master netting agreements that allow the Companies to net gain and loss positions and cash collateral held or placed with the same counterparties. (f)See Note Q. (g)On March 1, 2023, Con Edison completed the sale of all of the stock of the Clean Energy Businesses. See Note W and Note X. The employees in the Companies’ risk management group develop and maintain the Companies’ valuation policies and procedures for, and verify pricing and fair value valuation of, commodity derivatives. Under the Companies’ policies and procedures, multiple independent sources of information are obtained for forward price curves used to value commodity derivatives. Fair value and changes in fair value of commodity derivatives are reported monthly to the Companies’ risk committees, comprised of officers and employees of the Companies that oversee energy hedging at the Utilities. The risk management group reports to the Companies’ Vice President and Treasurer.
| Fair Value of Level 3 at December 31, 2023 |  |  |
| (Millions of Dollars) | Valuation Techniques | Unobservable Inputs | Range
Con Edison — Commodity
Electricity | $(8) | Discounted Cash Flow | Forward capacity prices (a) | $1.90 - $11.75 per kW-month
Transmission Congestion Contracts | immaterial | Discounted Cash Flow | Inter-zonal forward price curves adjusted for historical zonal losses (b) | $(0.33) - $2.20 per MWh
Total Con Edison - Commodity | $(8) |  |  |
CECONY — Commodity
Electricity | $(5) | Discounted Cash Flow | Forward capacity prices (a) | $1.90 - $11.75 per kW-month
Transmission Congestion Contracts | immaterial | Discounted Cash Flow | Inter-zonal forward price curves adjusted for historical zonal losses (b) | $(0.33) - $2.20 per MWh
Total CECONY — Commodity | $(5) |  |  |
(a)Generally, increases/(decreases) in this input in isolation would result in a higher/(lower) fair value measurement. (b)Generally, increases/(decreases) in this input in isolation would result in a lower/(higher) fair value measurement. The table listed below provides a reconciliation of the beginning and ending net balances for assets and liabilities measured at fair value for the years ended December 31, 2023 and 2022 and classified as Level 3 in the fair value hierarchy:
| Con Edison | CECONY
(Millions of Dollars) | 2023 | 2022 | 2023 | 2022
Beginning balance as of January 1, | $15 | $(11) | $(6) | $(7)
Included in earnings | (4) | (11) | (2) | (5)
Included in regulatory assets and liabilities | 33 | 11 | 31 | 10
Settlements | 4 | 11 | 2 | 5
Changes in level 3 assets and liabilities held for sale (a) | — | 25 | — | —
Decrease due to the sale of the Clean Energy Businesses (a) | (29) | — | — | —
Transfer out of level 3 | (27) | (10) | (30) | (9)
Ending balance as of December 31, | $(8) | $15 | $(5) | $(6)
(a)On March 1, 2023, Con Edison completed the sale of all of the stock of the Clean Energy Businesses. See Note W and Note X. For the Utilities, realized gains and losses on Level 3 commodity derivative assets and liabilities are reported as part of purchased power, gas and fuel costs. The Utilities generally recover these costs in accordance with rate provisions approved by the applicable state public utilities regulators. See Note A. Unrealized gains and losses for commodity derivatives are generally deferred on the consolidated balance sheet in accordance with the accounting rules for regulated operations. For the Clean Energy Businesses, realized and unrealized gains and losses on Level 3 commodity derivative assets and liabilities are reported in non-utility revenues ($17 million loss and $26 million gain) on the consolidated income statement for the years ended December 31, 2023 and 2022, respectively. On March 1, 2023, Con Edison completed the sale of all of the stock of the Clean Energy Businesses and amounts for 2023 are shown through the date of sale. See Note W and Note X.

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- Definition The entire disclosure of the fair value measurement of assets and liabilities, which includes financial instruments measured at fair value that are classified in shareholders' equity, which may be measured on a recurring or nonrecurring basis. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 820 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//820/tableOfContent + Details
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