XML 63 R53.htm IDEA: XBRL DOCUMENT
v3.19.3

Debt - Narrative (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Oct. 23, 2019 | Sep. 30, 2019 | Apr. 30, 2019 | Sep. 30, 2019 | Sep. 30, 2019 | Sep. 30, 2018 | [1] | Aug. 31, 2019
Debt Instrument [Line Items] |  |  |  |  |  |  |
Issuances of long-term debt |  |  |  |  | $ 10,923,000,000 | $ 4,028,000,000 |
NEE Equity Units 2019 [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Amount of equity units sold |  | $ 1,500,000,000 |  | $ 1,500,000,000 | $ 1,500,000,000 |  |
Stated amount of each equity unit (in dollars per share) |  | $ 50 |  | $ 50 | $ 50 |  |
Undivided beneficial ownership interest per debenture (in hundredths) |  | 5.00% |  | 5.00% | 5.00% |  |
Principal amount of each debenture |  | $ 1,000 |  | $ 1,000 | $ 1,000 |  |
Number of shares (subject to antidilution adjustments) if purchased on final settlement date at less than or equal to low range threshold (in shares) |  | 0.2231 |  | 0.2231 | 0.2231 |  |
Number of shares (subject to antidilution adjustments) if purchased on the final settlement date at equal to or greater than high range threshold (in shares) |  | 0.1785 |  | 0.1785 | 0.1785 |  |
Trading period (in days) over which the market value is determined by reference to the average closing prices of the common stock |  | 20 days |  |  |  |  |
Rate of total annual distributions on equity units (in hundredths) |  | 4.872% |  | 4.872% | 4.872% |  |
Rate of payments on stock purchase contracts (in hundredths) |  | 2.772% |  | 2.772% | 2.772% |  |
August 2016 Equity Units [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Number of shares issued in transaction (in shares) |  |  |  | 9,543,000 |  |  |
Consideration received on transaction |  |  |  | $ 1,500,000,000 |  |  |
Minimum [Member] | NEE Equity Units 2019 [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Price per share of stock purchase contract (in dollars per share) |  | $ 224.12 |  | $ 224.12 | $ 224.12 |  |
Maximum [Member] | NEE Equity Units 2019 [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Price per share of stock purchase contract (in dollars per share) |  | $ 280.15 |  | $ 280.15 | $ 280.15 |  |
NextEra Energy Capital Holdings, Inc. [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Repayments of short-term term loan agreements |  |  | $ 4,500,000,000 |  |  |  |
NextEra Energy Capital Holdings, Inc. [Member] | Debentures Related To Nextera Energys Equity Units [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Principal amount |  | $ 1,500,000,000 |  | $ 1,500,000,000 | $ 1,500,000,000 |  |
Interest rate (as a percent) |  | 2.10% |  | 2.10% | 2.10% |  |
NextEra Energy Capital Holdings, Inc. [Member] | Debentures [Member] | Series I Debentures Due September 1, 2021 [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  | $ 1,500,000,000
Interest rate (as a percent) |  |  |  |  |  |  | 2.403%
Subsequent Event [Member] | NextEra Energy Capital Holdings, Inc. [Member] | Debentures, Series due November 1, 2029 [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest rate (as a percent) | 2.75% |  |  |  |  |  |
Issuances of long-term debt | $ 1,000,000,000.0 |  |  |  |  |  |
Subsequent Event [Member] | NextEra Energy Capital Holdings, Inc. [Member] | Debentures, Series due September 1, 2022 [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Interest rate (as a percent) | 1.95% |  |  |  |  |  |
Issuances of long-term debt | $ 450,000,000 |  |  |  |  |  |
[1] | Amounts have been retrospectively adjusted for an accounting standards update related to leases.

X
- Definition Amount of equity units sold. + References No definition available. + Details
Name: | nee_AmountOfEquityUnitsSold
Namespace Prefix: | nee_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The number of shares (subject to antidilution adjustments) if purchased on the final settlement date, if the market value of a share of common stock is equal to or greater than the high range of the price per share of the stock purchase contract. + References No definition available. + Details
Name: | nee_NumberOfSharesSubjectToAntidilutionAdjustmentsIfPurchasedOnFinalSettlementDateAtEqualToOrGreaterThanHighRangeThreshold
Namespace Prefix: | nee_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of shares (subject to antidilution adjustments) if purchased on the final settlement date, if the market value of a share of common stock is less than or equal to the low range of the price per share of the stock purchase contract. + References No definition available. + Details
Name: | nee_NumberOfSharesSubjectToAntidilutionAdjustmentsIfPurchasedOnFinalSettlementDateAtLessThanOrEqualToLowRangeThreshold
Namespace Prefix: | nee_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Price Per Share of Stock Purchase Contract + References No definition available. + Details
Name: | nee_PricePerShareofStockPurchaseContract
Namespace Prefix: | nee_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Principal amount of each debenture at time of issuance. + References No definition available. + Details
Name: | nee_PrincipalAmountOfEachDebenture
Namespace Prefix: | nee_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Rate of payments on stock purchase contracts. + References No definition available. + Details
Name: | nee_RateOfPaymentsOnStockPurchaseContracts
Namespace Prefix: | nee_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Rate of total annual distributions on equity units. + References No definition available. + Details
Name: | nee_RateOfTotalAnnualDistributionsOnEquityUnits
Namespace Prefix: | nee_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Stated amount of each equity unit sold. + References No definition available. + Details
Name: | nee_StatedAmountOfEachEquityUnit
Namespace Prefix: | nee_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The trading period (in days) over which the market value is determined by reference to the average closing prices of NextEra common stock. + References No definition available. + Details
Name: | nee_TradingPeriodOverWhichMarketValueIsDeterminedByReferenceToAverageClosingPricesOfCommonStock
Namespace Prefix: | nee_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the undivided beneficial ownership interest per debenture, included with a contract to purchase common stock, for each equity unit sold. + References No definition available. + Details
Name: | nee_UndividedBeneficialOwnershipInterestPerDebenture
Namespace Prefix: | nee_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- 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=114775744&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
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- 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=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceOfLongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash outflow for a borrowing having initial term of repayment within one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
Name: | us-gaap_RepaymentsOfShortTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Cash received on stock transaction after deduction of issuance costs. + References No definition available. + Details
Name: | us-gaap_SaleOfStockConsiderationReceivedOnTransaction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The number of shares issued or sold by the subsidiary or equity method investee per stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | nee_EquityUnitsAxis=nee_NEEEquityUnits2019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=nee_August2016EquityUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=nee_NextEraEnergyCapitalHoldingsInc.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=nee_DebenturesRelatedToNexteraEnergysEquityUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=nee_DebenturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=nee_SeriesIDebenturesDueSeptember12021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=nee_DebenturesSeriesdueNovember12029Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=nee_DebenturesSeriesdueSeptember12022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |