CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net income of NextEra Energy	$ 461	$ 268
Net unrealized gains (losses) on cash flow hedges:
Effective portion of net unrealized gains (losses), net of tax	(7)	(10)
Reclassification from AOCI to net income, net of tax	(16)	(17)
Net unrealized gains (losses) on available for sale securities:
Net unrealized gains (losses) on securities still held, net of tax	47	22
Reclassification from AOCI to net income, net of tax	(5)	(9)
Defined benefit pension and other benefits plans, net of tax	(12)	6
Net unrealized gains (losses) on foreign currency translation, net of tax	6	10
Other comprehensive income (loss) related to equity method investee, net of tax	15	0
Other Comprehensive Income (Loss), Net of Tax	60	36
Comprehensive income of NextEra Energy	$ 521	$ 304