CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017		Sep. 30, 2018	Sep. 30, 2017
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
NET INCOME	$ 943	$ 856	[1]	$ 5,475	$ 3,252	[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	10		21	24
Net unrealized gains (losses) on available for sale securities:
Net unrealized gains (losses) on securities still held	(2)	31		(11)	91
Reclassification from accumulated other comprehensive income (loss) to net income	0	(6)		0	(23)
Defined benefit pension and other benefits plans	(1)	(1)		(4)	6
Net unrealized gains (losses) on foreign currency translation	10	10		(10)	30
Other comprehensive income related to equity method investees	1	1		5	1
Total other comprehensive income, net of tax	15	45		1	129
IMPACT OF NEP DECONSOLIDATION (NET OF $15 TAX EXPENSE)	0	0		58	0
COMPREHENSIVE INCOME	958	901		5,534	3,381
COMPREHENSIVE (INCOME) LOSS ATTRIBUTABLE TO NONCONTROLLING INTERESTS	64	(9)		754	(40)
COMPREHENSIVE INCOME ATTRIBUTABLE TO NEE	$ 1,022	$ 892		$ 6,288	$ 3,341

[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.