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Fair Value Measures and Disclosures (Policies) | 9 Months Ended
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Sep. 30, 2023
Fair Value Disclosures [Abstract] |
Fair Value of Financial Instruments, Policy | The fair value of money market funds that are included in cash and cash equivalents, current other assets and noncurrent other assets on NEP's condensed consolidated balance sheets is estimated using a market approach based on current observable market prices.

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- Definition Disclosure of accounting policy for determining the fair value of financial instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 60 -Paragraph 1 -SubTopic 10 -Topic 820 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482053/820-10-60-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 825 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482907/825-10-50-1 + Details
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