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Summary of Significant Accounting and Reporting Policies (Policies) | 9 Months Ended
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Sep. 30, 2023
Accounting Policies [Abstract] |
Redeemable Noncontrolling Interest | Redeemable Noncontrolling Interests – In connection with the December 2021 acquisition from NEER, NEP recorded redeemable noncontrolling interests of approximately $321 million relating to certain contingencies whereby NEP may have been obligated to either redeem interests of third-party investors in certain projects which were under construction or return proceeds to third-party investors in certain projects. During the three months ended March 31, 2022, the construction of projects was completed which resolved one of the contingencies and the redeemable noncontrolling interests amount related to the completion of the projects was reclassified to noncontrolling interests. During the three months ended September 30, 2022, legislation was enacted establishing a solar PTC, which substantially resolved the contingencies related to the return of proceeds and resulted in $93 million of redeemable noncontrolling interests being reclassified to noncontrolling interests. In connection with the sale of differential membership interests to a third-party investor in December 2022, NEP recorded redeemable noncontrolling interests of approximately $101 million relating to certain contingencies whereby NEP may have been obligated to reacquire all or a portion of the third-party investor's interests in an under construction project. During the three months ending September 30, 2023, the construction of the project was completed which resolved the contingencies and the redeemable noncontrolling interests amount of approximately $105 million was reclassified to noncontrolling interests.
Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy | Restricted Cash – A t September 30, 2023 and December 31, 2022, NEP had approximately $49 million and $49 million, respectively, of restricted cash included in current other assets on NEP's condensed consolidated balance sheets. Restricted cash at September 30, 2023 and December 31, 2022 is primarily related to an operating cash reserve. Restricted cash reported as current assets are recorded as such based on the anticipated use of these funds.
Consolidation, Policy | Noncontrolling Interests – At September 30, 2023, noncontrolling interests on NEP's condensed consolidated balance sheets primarily reflect the Class B noncontrolling ownership interests (the Class B noncontrolling ownership interests in NEP Renewables II, NEP Pipelines, STX Midstream, Genesis Holdings, NEP Renewables III and NEP Renewables IV owned by third parties), the differential membership interests, NEE Equity's approximately 51.4% noncontrolling interest in NEP OpCo, NEER's approximately 50% noncontrolling ownership interest in Silver State, NEER's 33% noncontrolling interest in Sunlight Renewables Holdings and NEER's 51% noncontrolling interest in Emerald Breeze (see Note 1), non-affiliated parties' 10% interest in one of the Texas pipelines and 50% interest in Star Moon Holdings and the non-economic ownership interests. The impact of the net income (loss) attributable to the differential membership interests and the Class B noncontrolling ownership interests are allocated to NEE Equity's noncontrolling ownership interest and the net income attributable to NEP based on the respective ownership percentage of NEP OpCo.
Goodwill and Intangible Assets, Goodwill, Policy | Goodwill and Indefinite-Lived Intangible Assets – Goodwill and indefinite-lived intangible assets are assessed for impairment at least annually or whenever an event indicating impairment may have occurred. As a result of the significant decline in trading price of NEP’s common units during the final three trading days of the third quarter of 2023, NEP tested its goodwill for impairment by applying a fair value-based analysis using an assessment date of September 30, 2023 and determined, based on the results, that its goodwill was not impaired. NEP will continue to monitor its goodwill carrying value for future impairments.

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- Definition Temporary Equity Policy + References No definition available. + Details
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- Definition Entity's cash and cash equivalents accounting policy with respect to restricted balances. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(1)(a)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482913/230-10-50-1 + Details
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- Definition Disclosure of accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting. The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483426/235-10-50-4 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481203/810-10-50-1 + Details
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- Definition Disclosure of accounting policy for goodwill. This accounting policy also may address how an entity assesses and measures impairment of goodwill, how reporting units are determined, how goodwill is allocated to such units, and how the fair values of the reporting units are determined. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 24 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482548/350-20-55-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482573/350-20-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//350-20/tableOfContent + Details
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