XML 121 R86.htm IDEA: XBRL DOCUMENT
v3.20.4

Commitments and Contingencies (Required Capacity and/or Minimum Payments Under Contracts) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
FPL[Member] |  |  |
Long-term Purchase Commitment [Line Items] |  |  |
Capacity payments and/or minimum payments - 2021 | $ 1,030 |  |
Capacity payments and/or minimum payments - 2022 | 970 |  |
Capacity payments and/or minimum payments - 2023 | 950 |  |
Capacity payments and/or minimum payments - 2024 | 940 |  |
Capacity payments and/or minimum payments - 2025 | 890 |  |
Capacity payments and/or minimum payments - Thereafter | 9,380 |  |
Related Party Transaction, Amounts of Transaction | 386 | $ 316 | $ 303
FPL[Member] | Natural Gas Including Transportation and Storage Contract Minimum Payments [Member] | Sabal Trail and Florida Southeast Connection [Member] |  |  |
Long-term Purchase Commitment [Line Items] |  |  |
Capacity payments and/or minimum payments - 2021 | 415 |  |
Capacity payments and/or minimum payments - 2022 | 415 |  |
Capacity payments and/or minimum payments - 2023 | 410 |  |
Capacity payments and/or minimum payments - 2024 | 410 |  |
Capacity payments and/or minimum payments - 2025 | 405 |  |
Capacity payments and/or minimum payments - Thereafter | 6,360 |  |
NEER [Member] |  |  |
Long-term Purchase Commitment [Line Items] |  |  |
Capacity payments and/or minimum payments - 2021 | 3,250 |  |
Capacity payments and/or minimum payments - 2022 | 530 |  |
Capacity payments and/or minimum payments - 2023 | 210 |  |
Capacity payments and/or minimum payments - 2024 | 210 |  |
Capacity payments and/or minimum payments - 2025 | 140 |  |
Capacity payments and/or minimum payments - Thereafter | 1,635 |  |
Commitment to invest | 85 |  |
Joint Obligations First Year | 480 |  |
Joint Obligations Second Year | 20 |  |
Joint Obligations Third Year | 20 |  |
Joint Obligations Fourth Year | 10 |  |
Joint Obligations Fifth Year | 10 |  |
Joint Obligations After Fifth Year | 5 |  |
NEER [Member] | Mountain Valley Pipeline [Member] |  |  |
Long-term Purchase Commitment [Line Items] |  |  |
Capacity payments and/or minimum payments - 2022 | 25 |  |
Capacity payments and/or minimum payments - 2023 | 70 |  |
Capacity payments and/or minimum payments - 2024 | 70 |  |
Capacity payments and/or minimum payments - 2025 | 70 |  |
Capacity payments and/or minimum payments - Thereafter | 1,155 |  |
NEER [Member] | Contract Group 1 [Member] |  |  |
Long-term Purchase Commitment [Line Items] |  |  |
Commitment amount included in capital expenditures | $ 3,400 |  |
Join Venture [Member] | NEER [Member] |  |  |
Long-term Purchase Commitment [Line Items] |  |  |
Ownership interest | 31.50% |  |
Consolidation, Eliminations [Member] | FPL[Member] |  |  |
Long-term Purchase Commitment [Line Items] |  |  |
Related Party Transaction, Amounts of Transaction | $ 108 | $ 108 | $ 95

X
- Definition Commitment to invest in clean power and technology businesses. + References No definition available. + Details
Name: | nee_CommitmentToInvest
Namespace Prefix: | nee_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Commitments included in planned capital expenditures + References No definition available. + Details
Name: | nee_CommitmentsIncludedInPlannedCapitalExpenditures
Namespace Prefix: | nee_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Joint obligations of NEECH and NEER included in NEER amounts above due after the fifth year + References No definition available. + Details
Name: | nee_JointObligationsAfterFifthYear
Namespace Prefix: | nee_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Joint obligations of NEECH and NEER included in NEER amounts above due in the fifth year + References No definition available. + Details
Name: | nee_JointObligationsFifthYear
Namespace Prefix: | nee_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Joint obligations of NEECH and NEER included in the NEER amounts above due in the fourth year + References No definition available. + Details
Name: | nee_JointObligationsFourthYear
Namespace Prefix: | nee_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Joint Obligations of NEECH and NEER included in the NEER amounts due in the next year + References No definition available. + Details
Name: | nee_JointObligationsNextYear
Namespace Prefix: | nee_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Joint Obligations of NEECH and NEER included in the NEER amounts above due in the second year + References No definition available. + Details
Name: | nee_JointObligationsSecondYear
Namespace Prefix: | nee_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Joint obligations of NEECH and NEER included in NEER amounts above due in the third year + References No definition available. + Details
Name: | nee_JointObligationsThirdYear
Namespace Prefix: | nee_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Estimated required capacity and/or minimum payments after the fifth year. + References No definition available. + Details
Name: | nee_RequiredCapacityAndOrMinimumPaymentsAfterFifthYear
Namespace Prefix: | nee_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Estimated required capacity and/or minimum payments for the fifth year. + References No definition available. + Details
Name: | nee_RequiredCapacityAndOrMinimumPaymentsFifthYear
Namespace Prefix: | nee_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Estimated required capacity and/or minimum payments for the next year. + References No definition available. + Details
Name: | nee_RequiredCapacityAndOrMinimumPaymentsFirstYear
Namespace Prefix: | nee_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Estimated required capacity and/or minimum payments for the fourth year. + References No definition available. + Details
Name: | nee_RequiredCapacityAndOrMinimumPaymentsFourthYear
Namespace Prefix: | nee_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Estimated required capacity and/or minimum payments for the second year. + References No definition available. + Details
Name: | nee_RequiredCapacityAndOrMinimumPaymentsSecondYear
Namespace Prefix: | nee_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Estimated required capacity and/or minimum payments for the third year. + References No definition available. + Details
Name: | nee_RequiredCapacityAndOrMinimumPaymentsThirdYear
Namespace Prefix: | nee_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
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_LongTermPurchaseCommitmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of transactions with related party during the financial reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864 + Details
Name: | us-gaap_RelatedPartyTransactionAmountsOfTransaction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=nee_FloridaPowerLightCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=nee_NaturalGasIncludingTransportationAndStorageContractMinimumPaymentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=nee_SabalTrailandFloridaSoutheastConnectionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=nee_NexteraEnergyResourcesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=nee_MountainValleyPipelineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=nee_ContractGroup1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=nee_JoinVentureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidationItemsAxis=srt_ConsolidationEliminationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |