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v3.25.3

Employee Retirement Benefits (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Pension Benefits [Member] |  |  |  |
Net periodic benefit (income) cost [Abstract] |  |  |  |
Service cost | $ 18 | $ 17 | $ 52 | $ 53
Interest cost | 34 | 33 | 102 | 99
Expected return on plan assets | (103) | (100) | (310) | (304)
Amortization of prior service benefit | (1) | 0 | (1) | 0
Special termination benefits | 0 | (1) | 0 | 27
Net periodic cost (income) cost | (52) | (51) | (157) | (125)
Postretirement Benefits [Member] |  |  |  |
Net periodic benefit (income) cost [Abstract] |  |  |  |
Service cost | 0 | 0 | 1 | 1
Interest cost | 2 | 2 | 6 | 6
Expected return on plan assets | 0 | 0 | 0 | 0
Amortization of prior service benefit | 0 | 0 | 0 | 0
Special termination benefits | 0 | 0 | 0 | 0
Net periodic cost (income) cost | 2 | 2 | 7 | 7
Florida Power & Light Company | Pension Benefits [Member] |  |  |  |
Net periodic benefit (income) cost [Abstract] |  |  |  |
Net periodic cost (income) cost | (30) | (32) | (90) | (72)
Florida Power & Light Company | Postretirement Benefits [Member] |  |  |  |
Net periodic benefit (income) cost [Abstract] |  |  |  |
Net periodic cost (income) cost | $ 2 | $ 2 | $ 6 | $ 6

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