Variable Interest Entities (VIEs) (Details) $ in Millions	3 Months Ended
	Jun. 30, 2022 MW	Mar. 31, 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		$ 144,945	$ 140,912
Carrying amount of liabilities, consolidated variable interest entity		100,693	95,243
Investment in equity method investees		5,752	6,159
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Carrying amount of assets, consolidated variable interest entity		649	614
Carrying amount of liabilities, consolidated variable interest entity		$ 61	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		$ 4,368	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		$ 1,848	1,851
Carrying amount of liabilities, consolidated variable interest entity		$ 1,202	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		$ 1,513	1,518
Carrying amount of liabilities, consolidated variable interest entity		$ 77	$ 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			33
Carrying amount of assets, consolidated variable interest entity		$ 17,054	$ 17,419
Carrying amount of liabilities, consolidated variable interest entity		$ 1,257	1,480
Wind electric generating facility capability (in megawatts) | MW		10,626
Solar generating facility capability (in megawatts) | MW		1,069
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 [Member]
Variable Interest Entity [Line Items]
Wind electric generating facility capability (in megawatts) | MW	200
Solar generating facility capability (in megawatts) | MW	50
Florida Power & Light Company
Variable Interest Entity [Line Items]
Carrying amount of assets, consolidated variable interest entity		$ 79,090	78,067
Carrying amount of liabilities, consolidated variable interest entity		46,621	44,473
Florida Power & Light Company | Other variable interest entities [Member]
Variable Interest Entity [Line Items]
Investments in special purpose entities		3,641	3,799
Other Investments [Member] | Subsidiaries of NEE [Member]
Variable Interest Entity [Line Items]
Investment in equity method investees		4,438	4,214
Commitments To Increase (Decrease) In Equity Method Investments		$ 80	$ 110