CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
OPERATING REVENUES		$ 16,155	$ 17,486	$ 17,021
OPERATING EXPENSES (INCOME)
Fuel, purchased power and interchange		4,042	5,327	5,602
Other operations and maintenance		3,389	3,269	3,149
Merger-related		135	26	0
Depreciation and amortization		3,077	2,831	2,551
Losses (gains) on disposal of assets - net		(446)	4	(27)
Taxes other than income taxes and other - net		1,350	1,397	1,362
Total operating expenses - net		11,547	12,854	12,637
OPERATING INCOME		4,608	4,632	4,384
OTHER INCOME (DEDUCTIONS)
Interest expense		(1,093)	(1,211)	(1,261)
Benefits associated with differential membership interests - net		309	216	199
Equity in earnings of equity method investees		148	107	93
Allowance for equity funds used during construction		86	70	37
Interest income		82	86	80
Gains on disposal of investments and other property - net		40	90	105
Gain associated with Maine fossil		0	0	21
Other than temporary impairment losses on securities held in nuclear decommissioning funds		(23)	(40)	(13)
Revaluation of contingent consideration		189	0	0
Other - net		42	40	0
Total other deductions - net		(220)	(642)	(739)
INCOME (LOSS) BEFORE INCOME TAXES		4,388	3,990	3,645
INCOME TAXES		1,383	1,228	1,176
NET INCOME		3,005	2,762	2,469
LESS NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS		93	10	4
Net income attributable to parent		$ 2,912	$ 2,752	$ 2,465
Earnings per share attributable to NEE:
Basic EPS - Continuing operations		$ 6.29	$ 6.11	$ 5.67
Earnings per share attributable to NEE - assuming dilution:
Diluted EPS - Continuing operations		$ 6.25	$ 6.06	$ 5.60
Weighted-average number of common shares outstanding:
Basic		463.1	450.5	434.4
Assuming dilution		465.8	454.0	440.1
FPL [Member]
OPERATING REVENUES		$ 10,895	$ 11,651	$ 11,421
OPERATING EXPENSES (INCOME)
Fuel, purchased power and interchange		3,297	4,276	4,375
Other operations and maintenance		1,600	1,617	1,620
Depreciation and amortization		1,651	1,576	1,432
Taxes other than income taxes and other - net		1,189	1,205	1,166
Total operating expenses - net		7,737	8,674	8,593
OPERATING INCOME		3,158	2,977	2,828
OTHER INCOME (DEDUCTIONS)
Interest expense		(456)	(445)	(439)
Allowance for equity funds used during construction		74	68	36
Other - net		2	5	2
Total other deductions - net		(380)	(372)	(401)
INCOME (LOSS) BEFORE INCOME TAXES		2,778	2,605	2,427
INCOME TAXES		1,051	957	910
Net income attributable to parent	[1]	$ 1,727	$ 1,648	$ 1,517

[1] FPL's comprehensive income is the same as reported net income