CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017		Jun. 30, 2018	Jun. 30, 2017
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
NET INCOME	$ 701	$ 804	[1]	$ 4,532	$ 2,395	[1],[2]
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX
Reclassification of unrealized losses on cash flow hedges from accumulated other comprehensive income (loss) to net income	7	5		14	14
Net unrealized gains (losses) on available for sale securities:
Net unrealized gains (losses) on securities still held	(3)	26		(9)	60
Reclassification from accumulated other comprehensive income (loss) to net income	0	(1)		0	(17)
Defined benefit pension and other benefits plans	(1)	10		(3)	7
Net unrealized gains (losses) on foreign currency translation	0	5		(20)	21
Other comprehensive income (loss) related to equity method investees	2	(1)		4	0
Total other comprehensive income (loss), net of tax	5	44		(14)	85
IMPACT OF NEP DECONSOLIDATION (NET OF $15 TAX EXPENSE)	0	0		58	0
COMPREHENSIVE INCOME	706	848		4,576	2,480
COMPREHENSIVE (INCOME) LOSS ATTRIBUTABLE TO NONCONTROLLING INTERESTS	94	(12)		691	(31)
COMPREHENSIVE INCOME ATTRIBUTABLE TO NEE	$ 800	$ 836		$ 5,267	$ 2,449

[1] Prior period amounts have been retrospectively adjusted as discussed in Note 3 - Amendments to Presentation of Retirement Benefits.

[2] Prior period amounts have been retrospectively adjusted as discussed in Note 11 - Restricted Cash.