Variable Interest Entities (VIEs) (Details) $ in Millions	3 Months Ended	9 Months Ended
	Mar. 31, 2024 USD ($) variable_interest_entity basisPoint mi MW	Dec. 31, 2024 MW	Dec. 31, 2023 USD ($) variable_interest_entity
Variable Interest Entity [Line Items]
Carrying amount of assets, consolidated variable interest entity	$ 179,950		$ 177,489
TOTAL LIABILITIES	120,561		118,465
Investment in equity method investees	6,533		6,156
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Carrying amount of assets, consolidated variable interest entity	696		741
TOTAL LIABILITIES	$ 343		347
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	$ 5,262		4,962
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
Carrying amount of assets, consolidated variable interest entity	$ 1,769		1,796
TOTAL LIABILITIES	$ 1,064		1,085
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 Entities Wind and Solar PV Facilities [Member[
Variable Interest Entity [Line Items]
Carrying amount of assets, consolidated variable interest entity	$ 1,372		1,434
TOTAL LIABILITIES	$ 82		$ 79
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	29		33
Carrying amount of assets, consolidated variable interest entity	$ 22,433		$ 24,250
TOTAL LIABILITIES	$ 904		3,148
Wind electric generating facility capability (in megawatts) | MW	10,884
Solar generating facility capability (in megawatts) | MW	3,133
Solar Plus Storage Facility Capacity | MW	1,112
NextEra Energy Resources | Variable Interest Entities Wind and Solar Primary Beneficiary [Member] [Member] | Forecast
Variable Interest Entity [Line Items]
Wind electric generating facility capability (in megawatts) | MW		163
Solar generating facility capability (in megawatts) | MW		105
Solar Plus Storage Facility Capacity | MW		407
Florida Power & Light Company
Variable Interest Entity [Line Items]
Carrying amount of assets, consolidated variable interest entity	$ 93,117		91,469
TOTAL LIABILITIES	49,711		52,634
Florida Power & Light Company | Other variable interest entities [Member]
Variable Interest Entity [Line Items]
Investments in special purpose entities	$ 4,145		3,899
Other Investments [Member] | Subsidiaries of NEE [Member]
Variable Interest Entity [Line Items]
Number of variable interest entities with guarantees to obligations | basisPoint	1
Investment in equity method investees	$ 4,000		$ 3,913
Commitments To Increase (Decrease) In Equity Method Investments	$ 180