CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
PROPERTY, PLANT AND EQUIPMENT
Total property, plant and equipment - net	$ 40,854	$ 39,075
CURRENT ASSETS
Customer receivables, allowances	10	20
OTHER ASSETS
Securitized storm-recovery costs	550	581
CAPITALIZATION
Long-term debt	19,235	18,013
FLORIDA POWER & LIGHT COMPANY
CURRENT ASSETS
Customer receivables, allowances	9	17
OTHER ASSETS
Securitized storm-recovery costs	550	581
CAPITALIZATION
Long-term debt	6,908	6,682
FLORIDA POWER & LIGHT COMPANY | Related to VIEs [Member]
OTHER ASSETS
Securitized storm-recovery costs	338	356
CAPITALIZATION
Long-term debt	460	486
Related to VIEs [Member]
PROPERTY, PLANT AND EQUIPMENT
Total property, plant and equipment - net	3,376	2,398
OTHER ASSETS
Securitized storm-recovery costs	338	356
CAPITALIZATION
Long-term debt	$ 1,746	$ 1,338