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Debt - Long-term Debt Issuances and Borrowings (Details) | 9 Months Ended
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Sep. 30, 2020 USD ($)
FPL [Member] | First mortgage bonds [Member] |
Debt Instrument [Line Items] |
Principal Amount | $ 1,100,000,000
Interest Rate (as a percent) | 2.85%
FPL [Member] | Senior Unsecured Notes [Member] |
Debt Instrument [Line Items] |
Principal Amount | $ 1,570,000,000
Interest Rate Terms | Variable
Notes that permit individual noteholders to require repayment prior to maturity | $ 320,000,000
NextEra Energy Capital Holdings, Inc. [Member] | Debentures [Member] |
Debt Instrument [Line Items] |
Principal Amount | $ 3,490,000,000
NextEra Energy Capital Holdings, Inc. [Member] | Debentures [Member] | Minimum [Member] |
Debt Instrument [Line Items] |
Interest Rate (as a percent) | 2.25%
NextEra Energy Capital Holdings, Inc. [Member] | Debentures [Member] | Maximum [Member] |
Debt Instrument [Line Items] |
Interest Rate (as a percent) | 3.55%
NextEra Energy Capital Holdings, Inc. [Member] | Debentures Related To Nextera Energys Equity Units [Member] |
Debt Instrument [Line Items] |
Principal Amount | $ 4,500,000,000
NextEra Energy Capital Holdings, Inc. [Member] | Debentures Related To Nextera Energys Equity Units [Member] | Minimum [Member] |
Debt Instrument [Line Items] |
Interest Rate (as a percent) | 0.509%
NextEra Energy Capital Holdings, Inc. [Member] | Debentures Related To Nextera Energys Equity Units [Member] | Maximum [Member] |
Debt Instrument [Line Items] |
Interest Rate (as a percent) | 1.84%
NextEra Energy Capital Holdings, Inc. [Member] | Japanese Yen Denominated Term Loan [Member] |
Debt Instrument [Line Items] |
Principal Amount | $ 530,000,000
Interest Rate Terms | Variable

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- Definition Floating Rate Notes That Permit Individual Noteholders to Require Repayment Prior to Maturity + References No definition available. + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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