Variable Interest Entities (VIEs) (Details) $ in Millions	3 Months Ended	9 Months Ended
	Dec. 31, 2023 MW	Sep. 30, 2023 USD ($) variable_interest_entity mi MW	Dec. 31, 2022 USD ($) variable_interest_entity
Variable Interest Entity [Line Items]
Carrying amount of assets, consolidated variable interest entity		$ 171,674.0	$ 158,935.0
TOTAL LIABILITIES		115,106.0	109,499.0
Investment in equity method investees		5,991.0	6,582.0
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Carrying amount of assets, consolidated variable interest entity		722.0	744.0
TOTAL LIABILITIES		$ 27.0	18.0
Electricity Transmission Line (in miles) | mi		280
Percentage of profits and losses		48.00%
Other variable interest entities [Member]
Variable Interest Entity [Line Items]
Investments in special purpose entities		$ 4,671.0	$ 4,016.0
Indirect Subsidiary of NextEra Energy Resources [Member] | Photovoltaic Solar Facility [Member]
Variable Interest Entity [Line Items]
Total number of consolidated variable interest entities | variable_interest_entity		8	9
Carrying amount of assets, consolidated variable interest entity		$ 1,875.0	$ 2,084.0
TOTAL LIABILITIES		$ 1,095.0	1,174.0
Solar generating facility capability (in megawatts) | MW		765
Indirect Subsidiary of NextEra Energy Resources [Member] | Photovoltaic Solar Facility [Member] | Minimum
Variable Interest Entity [Line Items]
Ownership percentage		50.00%
Indirect Subsidiary of NextEra Energy Resources [Member] | Photovoltaic Solar Facility [Member] | Maximum
Variable Interest Entity [Line Items]
Ownership percentage		67.00%
NextEra Energy Resources
Variable Interest Entity [Line Items]
Investment in equity method investees		$ 4,200.0
NextEra Energy Resources | Variable Interest Entities Wind and Solar PV Facilities [Member[
Variable Interest Entity [Line Items]
Carrying amount of assets, consolidated variable interest entity		1,480.0	1,488.0
TOTAL LIABILITIES		$ 90.0	86.0
Ownership percentage		10.00%
Wind electric generating facility capability (in megawatts) | MW		400
Solar generating facility capability (in megawatts) | MW		599
NextEra Energy Resources | Variable Interest Entities Wind and Solar Primary Beneficiary [Member] [Member]
Variable Interest Entity [Line Items]
Total number of consolidated variable interest entities | variable_interest_entity		31
Carrying amount of assets, consolidated variable interest entity		$ 20,421.0	19,690.0
TOTAL LIABILITIES		$ 1,592.0	2,318.0
Wind electric generating facility capability (in megawatts) | MW		11,588
Solar generating facility capability (in megawatts) | MW		1,401
Solar Plus Storage Facility Capacity | MW		1,062
Number of variable interest entities with guarantees to obligations | variable_interest_entity		3
NextEra Energy Resources | Variable Interest Entities Wind and Solar Primary Beneficiary [Member] [Member] | Forecast
Variable Interest Entity [Line Items]
Solar generating facility capability (in megawatts) | MW	1,067
Florida Power & Light Company
Variable Interest Entity [Line Items]
Carrying amount of assets, consolidated variable interest entity		$ 91,069.0	86,559.0
TOTAL LIABILITIES		52,400.0	47,639.0
Florida Power & Light Company | Other variable interest entities [Member]
Variable Interest Entity [Line Items]
Investments in special purpose entities		3,661.0	3,331.0
Other Investments [Member] | Subsidiaries of NEE [Member]
Variable Interest Entity [Line Items]
Investment in equity method investees		5,201.0	$ 5,214.0
Commitments To Increase (Decrease) In Equity Method Investments		$ 190.0