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v3.22.2.2

Revenue Recognition (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenue from contracts with customers | $ 6,400 | $ 5,400 | $ 17,400 | $ 14,100 |
Florida Power & Light Company |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Revenue from contracts with customers | 5,100 | $ 4,100 | 13,200 | 10,600 |
Unbilled revenues | 693 |  | 693 |  | $ 583
Revenue, remaining performance obligation | 400 |  | 400 |  |
NEER Segment |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Unrecognized revenue |  |  |  | $ 180 |
Revenue, remaining performance obligation | $ 1,200 |  | $ 1,200 |  |
Revenue Benchmark [Member] | Florida Power & Light Company | Customer Concentration Risk | Retail Customers |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Concentration risk, percentage |  |  | 90.00% |  |

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