| Cover Page | May 12, 2020 |
| Entity Information [Line Items] | |
| Document Type | 8-K |
| Document Period End Date | May 12, 2020 |
| Entity File Number | 1-8841 |
| Entity Registrant Name | NEXTERA ENERGY, INC. |
| 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0000753308 |
| 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 4.872% [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 |
