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Debt (Minimum Annual Maturities) (Details)
$ in Thousands
Dec. 31, 2021
USD ($)
Debt Instrument [Line Items]  
Year One $ 1,785,000
Year Two 8,394,000
Year Three 3,672,000
Year Four 6,536,000
Year Five 1,322,000
FPL [Member]  
Debt Instrument [Line Items]  
Year One 536,000
Year Two 1,548,000
Year Three 646,000
Year Four 1,700,000
Year Five $ 200