Summary of Significant Accounting and Reporting Policies - Disposal of Businesses/Assets and Sale of Noncontrolling Ownership Interests (Details) $ in Millions	1 Months Ended		6 Months Ended	12 Months Ended
	Nov. 30, 2023 USD ($)	Dec. 31, 2022 USD ($) facility MW	Jun. 30, 2023 USD ($) facility MW	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($) facility MW	Dec. 31, 2021 USD ($) facility MW
Summary of Significant Accounting Policies [Line Items]
Gains (losses) on disposal of businesses/assets – net				$ 405	$ 522	$ 77
Customer deposits		$ 560		638	560
Accrued construction-related expenditures		1,760		1,861	1,760
FPL [Member]
Summary of Significant Accounting Policies [Line Items]
Gains (losses) on disposal of businesses/assets – net				407	4	1
Customer deposits		543		610	543
Accrued construction-related expenditures		559		486	559
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Three wind generation facilities and one solar plus battery facility and three wind facilities | Accounts Payable
Summary of Significant Accounting Policies [Line Items]
Accrued construction-related expenditures		810		68	810
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Three wind generation facilities and one solar facility and four solar facilities and multiple distributed generation solar facilities
Summary of Significant Accounting Policies [Line Items]
Disposal Group, Including Discontinued Operation, Stockholders' Equity Attributable to Noncontrolling Interest						125
Increase (Decrease) To Additional Paid In Capital, Gross						60
Increase (Decrease) To Additional Paid In Capital, Net						$ 43
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Geographically Diverse Locations | Five Wind Generation Facilities and Three Solar Facilities Located In Multiple Regions
Summary of Significant Accounting Policies [Line Items]
Number Of Wind Generation Facilities | facility			5
Number Solar Generation Facilities | facility			3
Total generating facility capacity (mw) | MW			688
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Geographically Diverse Locations | Seven wind facilities, six solar facilities and storage capacity | Current other liabilities
Summary of Significant Accounting Policies [Line Items]
Contract with Customer, Liability, Revenue Recognized					$ 551
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Geographically Diverse Locations | Four solar facilities and multiple generation solar facilities
Summary of Significant Accounting Policies [Line Items]
Number Solar Generation Facilities | facility						4
Total generating facility capacity (mw) | MW						122
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | CALIFORNIA | Battery Storage Facility
Summary of Significant Accounting Policies [Line Items]
Battery storage facility capacity | MW					230
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Midwest and West Regions | Three wind facilities and one solar facility
Summary of Significant Accounting Policies [Line Items]
Number Of Wind Generation Facilities | facility						3
Number Solar Generation Facilities | facility						1
Total generating facility capacity (mw) | MW						467
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | NEER [Member] | Three wind generation facilities and one solar plus battery facility and three wind facilities
Summary of Significant Accounting Policies [Line Items]
Disposal Group, Including Discontinued Operation, Consideration		805			$ 805
Gains (losses) on disposal of businesses/assets – net		301
Disposal Group, Not Discontinued Operation, Gain (Loss) On Disposal, Net Of Tax		230
Disposal Group, Including Discontinued Operation, Working Capital		8			8
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | NEER [Member] | Seven wind facilities, six solar facilities and storage capacity
Summary of Significant Accounting Policies [Line Items]
Gains (losses) on disposal of businesses/assets – net						$ 53
Disposal Group, Not Discontinued Operation, Gain (Loss) On Disposal, Net Of Tax						33
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | NEER [Member] | Three wind generation facilities and one solar facility and four solar facilities and multiple distributed generation solar facilities
Summary of Significant Accounting Policies [Line Items]
Disposal Group, Including Discontinued Operation, Consideration						563
Gains (losses) on disposal of businesses/assets – net						94
Disposal Group, Not Discontinued Operation, Gain (Loss) On Disposal, Net Of Tax						69
Disposal Group, Including Discontinued Operation, Working Capital						$ 22
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | NEER [Member] | United States, Geographically Diverse Locations | Five Wind Generation Facilities and Three Solar Facilities Located In Multiple Regions
Summary of Significant Accounting Policies [Line Items]
Disposal Group, Including Discontinued Operation, Consideration			$ 566
Disposal Group, Including Discontinued Operation, Working Capital			$ 32
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | NEER [Member] | CALIFORNIA | Battery Storage Facility
Summary of Significant Accounting Policies [Line Items]
Disposal Group, Including Discontinued Operation, Consideration		191			191
Gains (losses) on disposal of businesses/assets – net					87
Disposal Group, Not Discontinued Operation, Gain (Loss) On Disposal, Net Of Tax					66
Disposal Group, Including Discontinued Operation, Working Capital		2			2
FPL [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Summary of Significant Accounting Policies [Line Items]
Disposal Group, Including Discontinued Operation, Consideration	$ 924
Gains (losses) on disposal of businesses/assets – net	406
Disposal Group, Not Discontinued Operation, Gain (Loss) On Disposal, Net Of Tax	306
FPL [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | FPL [Member]
Summary of Significant Accounting Policies [Line Items]
Disposal Group, Not Discontinued Operation, Gain (Loss) On Disposal, Net Of Tax	$ 300
NEP [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | Three wind generation facilities and one solar plus battery facility and three wind facilities
Summary of Significant Accounting Policies [Line Items]
Customer deposits		$ 150			$ 150
NEP [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Geographically Diverse Locations | Five Wind Generation Facilities and Three Solar Facilities Located In Multiple Regions
Summary of Significant Accounting Policies [Line Items]
Ownership percentage sold			100.00%
NEP [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Geographically Diverse Locations | Three wind facilities, one solar plus battery facility
Summary of Significant Accounting Policies [Line Items]
Ownership percentage sold		49.00%			49.00%
Number Of Wind Generation Facilities | facility		3			3
Total generating facility capacity (mw) | MW		1,437
Number of Solar Plus Battery Facilities | facility		1			1
Battery storage facility capacity | MW		65
NEP [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Geographically Diverse Locations | Seven wind facilities, six solar facilities and storage capacity
Summary of Significant Accounting Policies [Line Items]
Ownership percentage sold						50.00%
NEP [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Geographically Diverse Locations | Four solar facilities and multiple generation solar facilities
Summary of Significant Accounting Policies [Line Items]
Ownership percentage sold						33.30%
NEP [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Midwest Region | Three wind facilities
Summary of Significant Accounting Policies [Line Items]
Ownership percentage sold		100.00%			100.00%
Number Of Wind Generation Facilities		3			3
Total generating facility capacity (mw) | MW		347
NEP [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | CALIFORNIA | Battery Storage Facility
Summary of Significant Accounting Policies [Line Items]
Ownership percentage sold		67.00%			67.00%
NEP [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Midwest and West Regions | Three wind facilities and one solar facility
Summary of Significant Accounting Policies [Line Items]
Ownership percentage sold						100.00%
NEP and Differential | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | Three wind generation facilities and one solar plus battery facility and three wind facilities
Summary of Significant Accounting Policies [Line Items]
Customer deposits		$ 251		$ 251	$ 251
Differential Memberships | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | Three wind generation facilities and one solar plus battery facility and three wind facilities
Summary of Significant Accounting Policies [Line Items]
Customer deposits		101			101
Differential Memberships | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Geographically Diverse Locations | Seven wind facilities, six solar facilities and storage capacity
Summary of Significant Accounting Policies [Line Items]
Customer deposits						$ 319
Disposal of Business and Interest Affiliates, Contingent Payments		$ 117			$ 117	$ 117
Subsidiaries of NextEra Energy Resources | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Geographically Diverse Locations | Seven wind facilities, six solar facilities and storage capacity
Summary of Significant Accounting Policies [Line Items]
Ownership percentage sold						100.00%
Third Party [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Geographically Diverse Locations | Seven wind facilities, six solar facilities and storage capacity
Summary of Significant Accounting Policies [Line Items]
Ownership percentage sold						50.00%
NEP And Third Party | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Geographically Diverse Locations | Seven wind facilities, six solar facilities and storage capacity
Summary of Significant Accounting Policies [Line Items]
Number Of Wind Generation Facilities | facility						7
Number Solar Generation Facilities | facility						6
Total generating facility capacity (mw) | MW						2,520
Battery storage facility capacity | MW						115
Customer deposits						$ 349
NEP And Third Party | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | NEER [Member] | United States, Geographically Diverse Locations | Seven wind facilities, six solar facilities and storage capacity
Summary of Significant Accounting Policies [Line Items]
Disposal Group, Including Discontinued Operation, Consideration						1,700
NEP , Third Party and Differential Membership | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Subsidiaries of NextEra Energy Resources | United States, Geographically Diverse Locations | Seven wind facilities, six solar facilities and storage capacity
Summary of Significant Accounting Policies [Line Items]
Customer deposits						$ 668