Summary of Significant Accounting and Reporting Policies - Operating Revenues (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Summary of Significant Accounting Policies [Line Items] | |||
| OPERATING REVENUES | $ 27,412 | $ 24,753 | $ 28,114 |
| FPL | |||
| Summary of Significant Accounting Policies [Line Items] | |||
| OPERATING REVENUES | 18,262 | 17,019 | 18,365 |
| Franchise and Gross Receipts Taxes [Member] | |||
| Summary of Significant Accounting Policies [Line Items] | |||
| OPERATING REVENUES | 1,114 | 1,053 | 1,139 |
| Franchise and Gross Receipts Taxes [Member] | FPL | |||
| Summary of Significant Accounting Policies [Line Items] | |||
| OPERATING REVENUES | $ 1,114 | $ 1,053 | $ 1,139 |