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Debt (Tables)
3 Months Ended
Mar. 31, 2019
Debt Disclosure [Abstract]  
Long-term debt issuances and borrowings
Significant long-term debt issuances during the three months ended March 31, 2019 were as follows:
 
Principal Amount
 
Interest Rate
 
Maturity Date
 
(millions)
 
 
 
 
 
 
FPL - First mortgage bonds
$
600

 
3.99
%
 
2049
NEECH:
 
 
 
 
 
   Debentures
$
550

 
Variable
 
(a) 
2020 - 2022
   Debentures
$
800

 
3.20%
-
3.30
%
 
2022
  Junior subordinated debentures
$
688

 
5.65
%
 
2079
———————————————
(a)
Variable rate is based on an underlying index plus a margin.