Document Entity Information	3 Months Ended
	Mar. 31, 2020 shares
Entity Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2020
Document Transition Report	false
Entity File Number	1-8841
Entity Tax Identification Number	59-2449419
Entity Address, Address Line One	700 Universe Boulevard
Entity Address, City or Town	Juno Beach
Entity Address, State or Province	FL
Entity Address, Postal Zip Code	33408
City Area Code	561
Local Phone Number	694-4000
Entity Incorporation, State or Country Code	FL
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding	489,450,050
Entity Registrant Name	NEXTERA ENERGY INC
Entity Central Index Key	0000753308
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q1
Amendment Flag	false
Common Stock [Member]
Entity Information [Line Items]
Title of 12(b) Security	Common Stock, $0.01 Par Value
Trading Symbol	NEE
Security Exchange Name	NYSE
Corporate Units [Member]
Entity Information [Line Items]
Title of 12(b) Security	4.872% Corporate Units
Trading Symbol	NEE.PRO
Security Exchange Name	NYSE
Corporate Units 5.279% [Member]
Entity Information [Line Items]
Title of 12(b) Security	5.279% Corporate Units
Trading Symbol	NEE.PRP
Security Exchange Name	NYSE
FPL [Member]
Entity Information [Line Items]
Entity File Number	2-27612
Entity Tax Identification Number	59-0247775
Entity Incorporation, State or Country Code	FL
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding	1,000
Entity Registrant Name	FLORIDA POWER & LIGHT CO
Entity Central Index Key	0000037634
Current Fiscal Year End Date	--12-31