Commitments and Contingencies (Planned Capital Expenditures) (Details) $ in Millions	6 Months Ended
Jun. 30, 2020 USD ($) MW
FPL [Member]
Planned Capital Expenditures [Line Items]
Remainder of 2020	$ 3,310
2021	6,825
2022	6,335
2023	6,635
2024	6,605
Total	29,710
Gulf Power [Member]
Planned Capital Expenditures [Line Items]
Remainder of 2020	625
2021	840
2022	645
2023	650
2024	680
Total	3,440
NextEra Energy Resources [Member]
Planned Capital Expenditures [Line Items]
Remainder of 2020	3,810
2021	2,815
2022	505
2023	335
2024	280
Total	7,745
New Generation Expenditures [Member] \| FPL [Member]
Planned Capital Expenditures [Line Items]
Remainder of 2020	660
2021	760
2022	555
2023	485
2024	835
Total	3,295
Existing Generation Expenditures [Member] \| FPL [Member]
Planned Capital Expenditures [Line Items]
Remainder of 2020	535
2021	1,145
2022	1,080
2023	1,090
2024	835
Total	4,685
Transmission And Distribution Expenditures [Member] \| FPL [Member]
Planned Capital Expenditures [Line Items]
Remainder of 2020	1,590
2021	4,050
2022	3,840
2023	4,180
2024	4,120
Total	17,780
Allowance for funds used during construction (AFUDC) - remainder of 2020	20
Allowance for funds used during construction (AFUDC) - 2021	55
Allowance for funds used during construction (AFUDC) - 2022	50
Allowance for funds used during construction (AFUDC) - 2023	45
Allowance for funds used during construction (AFUDC) - 2024	35
Nuclear Fuel Expenditures [Member] \| FPL [Member]
Planned Capital Expenditures [Line Items]
Remainder of 2020	90
2021	220
2022	170
2023	120
2024	145
Total	745
General And Other Expenditures [Member] \| FPL [Member]
Planned Capital Expenditures [Line Items]
Remainder of 2020	435
2021	650
2022	690
2023	760
2024	670
Total	3,205
Wind Expenditures [Member] \| NextEra Energy Resources [Member]
Planned Capital Expenditures [Line Items]
Remainder of 2020	1,700
2021	580
2022	35
2023	15
2024	15
Total	$ 2,345
Planned new generation over 5 year period (in megawatts) \| MW	4,294
Solar Expenditures [Member] \| NextEra Energy Resources [Member]
Planned Capital Expenditures [Line Items]
Remainder of 2020	$ 735
2021	1,065
2022	135
2023	130
2024	0
Total	$ 2,065
Planned new generation over 5 year period (in megawatts) \| MW	2,231
Battery Storage Expenditures [Member] \| NextEra Energy Resources [Member]
Planned Capital Expenditures [Line Items]
Remainder of 2020	$ 310
2021	310
2022	70
2023	0
2024	0
Total	690
Nuclear Expenditures [Member] \| NextEra Energy Resources [Member]
Planned Capital Expenditures [Line Items]
Remainder of 2020	90
2021	225
2022	175
2023	125
2024	185
Total	800
Pipelines [Member] \| NextEra Energy Resources [Member]
Planned Capital Expenditures [Line Items]
Remainder of 2020	450
2021	390
2022	0
2023	0
2024	0
Total	840
Rate-Regulated Transmission [Member] \| NextEra Energy Resources [Member]
Planned Capital Expenditures [Line Items]
Remainder of 2020	150
2021	175
2022	30
2023	10
2024	15
Total	380
Other Expenditures [Member] \| NextEra Energy Resources [Member]
Planned Capital Expenditures [Line Items]
Remainder of 2020	375
2021	70
2022	60
2023	55
2024	65
Total	625
Generation Expenditures [Member] \| FPL [Member]
Planned Capital Expenditures [Line Items]
Allowance for funds used during construction (AFUDC) - remainder of 2020	20
Allowance for funds used during construction (AFUDC) - 2021	70
Allowance for funds used during construction (AFUDC) - 2022	40
Allowance for funds used during construction (AFUDC) - 2023	20
Allowance for funds used during construction (AFUDC) - 2024	$ 30

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Planned Capital Expenditures AFUDC Fourth Year

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Estimated planned capital expenditures for the fifth year.

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Estimated planned capital expenditures for the remainder of the current year.

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Estimated AFUDC related to Generation for the remainder of the current year

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Estimated AFUDC related to Generation for the remainder of the second year.

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Estimated AFUDC related to Generation for the remainder of the third year

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Planned New Generation To Be Added over 5 Years in Megawatts

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Total estimated planned capital expenditures.

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