Variable Interest Entities (VIEs) (Details) $ in Millions	3 Months Ended	6 Months Ended
	Sep. 30, 2022 MW	Jun. 30, 2022 USD ($) variable_interest_entity mi MW	Dec. 31, 2021 USD ($) variable_interest_entity
Variable Interest Entity [Line Items]
Carrying amount of assets, consolidated variable interest entity		$ 151,770	$ 140,912
Carrying amount of liabilities, consolidated variable interest entity		107,163	95,243
Investment in equity method investees		6,064	6,159
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Carrying amount of assets, consolidated variable interest entity		731	614
Carrying amount of liabilities, consolidated variable interest entity		$ 111	64
Electricity Transmission Line (in miles) | mi		280
Percentage of profits and losses		50.00%
Other variable interest entities [Member]
Variable Interest Entity [Line Items]
Investments in special purpose entities		$ 3,886	4,559
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		$ 1,871	1,851
Carrying amount of liabilities, consolidated variable interest entity		$ 1,177	1,258
Solar generating facility capability (in megawatts) | MW		772
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		$ 1,518	1,518
Carrying amount of liabilities, consolidated variable interest entity		$ 91	$ 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			34
Carrying amount of assets, consolidated variable interest entity		$ 17,413	$ 17,419
Carrying amount of liabilities, consolidated variable interest entity		$ 1,375	1,480
Wind electric generating facility capability (in megawatts) | MW		10,902
Solar generating facility capability (in megawatts) | MW		1,118
Number of variable interest entities with guarantees to obligations | variable_interest_entity		1
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	230
Florida Power & Light Company
Variable Interest Entity [Line Items]
Carrying amount of assets, consolidated variable interest entity		$ 80,758	78,067
Carrying amount of liabilities, consolidated variable interest entity		45,800	44,473
Florida Power & Light Company | Other variable interest entities [Member]
Variable Interest Entity [Line Items]
Investments in special purpose entities		3,218	3,799
Other Investments [Member] | Subsidiaries of NEE [Member]
Variable Interest Entity [Line Items]
Investment in equity method investees		4,783	4,214
Commitments To Increase (Decrease) In Equity Method Investments		$ 180	$ 110