CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net income of NextEra Energy	$ 607	$ 580	$ 1,068	$ 848
Net unrealized gains (losses) on cash flow hedges:
Effective portion of net unrealized gains (losses), net of tax	(42)	(81)	(49)	(91)
Reclassification from AOCI to net income, net of tax	5	4	21	21
Net unrealized gains (losses) on available for sale securities:
Net unrealized gains (losses) on securities still held, net of tax	(9)	1	38	23
Reclassification from AOCI to net income, net of tax	(32)	(13)	(37)	(22)
Defined benefit pension and other benefits plans, net of tax	6	0	(6)	6
Net unrealized gains (losses) on foreign currency translation, net of tax	(3)	2	3	12
Other comprehensive income (loss) related to equity method investee, net of tax	(21)	0	(6)	0
Other Comprehensive Income (Loss), Net of Tax	(96)	(87)	(36)	(51)
Comprehensive income of NextEra Energy	$ 511	$ 493	$ 1,032	$ 797