CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
PROPERTY, PLANT AND EQUIPMENT
Total property, plant and equipment - net	$ 51,399	$ 49,413
CURRENT ASSETS
Customer receivables, allowances	15	10
OTHER ASSETS
Securitized storm-recovery costs	388	461
CAPITALIZATION
Long-term debt	23,862	23,177
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	800,000,000	800,000,000
Common Stock, Shares, Outstanding	431,000,000	424,000,000
Related to VIEs [Member]
PROPERTY, PLANT AND EQUIPMENT
Total property, plant and equipment - net	4,646	4,487
OTHER ASSETS
Securitized storm-recovery costs	238	274
CAPITALIZATION
Long-term debt	1,134	1,369
FLORIDA POWER & LIGHT COMPANY
CURRENT ASSETS
Customer receivables, allowances	8	7
OTHER ASSETS
Securitized storm-recovery costs	388	461
CAPITALIZATION
Long-term debt	8,474	8,329
Common Stock, No Par Value	$ 0	$ 0
Common Stock, Shares Authorized	1,000	1,000
Common Stock, Shares, Outstanding	1,000	1,000
Common Stock, Shares, Issued	1,000	1,000
FLORIDA POWER & LIGHT COMPANY | Related to VIEs [Member]
OTHER ASSETS
Securitized storm-recovery costs	238	274
CAPITALIZATION
Long-term debt	$ 331	$ 386