Variable Interest Entities (VIEs) (Details) $ in Millions	6 Months Ended
	Dec. 31, 2023 MW	Jun. 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		$ 168,275	$ 158,935
TOTAL LIABILITIES		113,899	109,499
Investment in equity method investees		7,069	6,582
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Carrying amount of assets, consolidated variable interest entity		753	744
TOTAL LIABILITIES		$ 16	18
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		$ 4,901	$ 4,016
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		10	9
Carrying amount of assets, consolidated variable interest entity		$ 2,100	$ 2,084
TOTAL LIABILITIES		$ 1,153	1,174
Solar generating facility capability (in megawatts) | MW		772
Solar Plus Storage Facility Capacity | MW		65
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%
Indirect Subsidiary of NextEra Energy Resources [Member] | Photovoltaic Solar Facility [Member] | Forecast
Variable Interest Entity [Line Items]
Solar generating facility capability (in megawatts) | MW	125
NextEra Energy Resources | Photovoltaic Solar Facility [Member]
Variable Interest Entity [Line Items]
Number of variable interest entities with guarantees to obligations | variable_interest_entity		1
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		$ 1,467	1,488
TOTAL LIABILITIES		$ 81	86
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		$ 20,239	19,690
TOTAL LIABILITIES		$ 1,895	2,318
Wind electric generating facility capability (in megawatts) | MW		11,588
Solar generating facility capability (in megawatts) | MW		1,248
Solar Plus Storage Facility Capacity | MW		599
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	909
Solar Plus Storage Facility Capacity | MW	323
Florida Power & Light Company
Variable Interest Entity [Line Items]
Carrying amount of assets, consolidated variable interest entity		$ 89,352	86,559
TOTAL LIABILITIES		50,365	47,639
Florida Power & Light Company | Other variable interest entities [Member]
Variable Interest Entity [Line Items]
Investments in special purpose entities		3,890	3,331
Other Investments [Member] | Subsidiaries of NEE [Member]
Variable Interest Entity [Line Items]
Investment in equity method investees		5,170	$ 5,214
Commitments To Increase (Decrease) In Equity Method Investments		$ 200