CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2017	Jun. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income		$ 2,395	$ 1,198
Net Income		2,376	1,193
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization		1,505	1,279
Nuclear fuel and other amortization		143	188
Unrealized losses on marked to market derivative contracts - net		14	452
Foreign currency transaction losses (gains)		(12)	90
Deferred income taxes		886	406
Cost recovery clauses and franchise fees		10	137
Acquisition of purchased power agreement		(258)	0
Gains on disposal of a business/assets - net		(1,149)	(279)
Recoverable storm-related costs		(105)	9
Other - net		(117)	(134)
Changes in operating assets and liabilities:
Current assets		(232)	(12)
Noncurrent assets		(105)	(74)
Current liabilities		149	47
Noncurrent liabilities		41	(37)
Net cash provided by operating activities		3,165	3,270
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures of FPL		(2,648)	(2,129)
Independent power and other investments of NEER		(4,106)	(3,719)
Nuclear fuel purchases		(149)	(115)
Other capital expenditures and other investments		(34)	(103)
Proceeds from sale of the fiber-optic telecommunications business		1,482	0
Sale of independent power and other investments of NEER		42	396
Proceeds from sale or maturity of securities in special use funds		1,419	1,609
Purchases of securities in special use funds		(1,531)	(1,654)
Proceeds from sales of noncontrolling interests in NEP		0	303
Other - net		16	(25)
Net cash used in investing activities		(5,509)	(5,437)
CASH FLOWS FROM FINANCING ACTIVITIES
Issuances of long-term debt		2,771	2,509
Retirements of long-term debt		(1,885)	(996)
Net change in commercial paper		1,847	1,008
Proceeds from other short-term debt		200	500
Issuances of common stock - net		25	43
Dividends		(920)	(803)
Other - net		(344)	65
Net cash provided by (used in) financing activities		1,694	2,326
Net increase (decrease) in cash and cash equivalents		(650)	159
Cash and cash equivalents at beginning of period		1,292	571
Cash and cash equivalents at end of period		642	730
SUPPLEMENTAL SCHEDULE OF NONCASH INVESTING AND FINANCING ACTIVITIES
Accrued property additions		1,288	1,930
Decrease (increase) in property, plant and equipment - net as a result of cash grants primarily under the Recovery Act		(145)	347
Increase in property, plant and equipment as a result of a settlement/noncash exchange		(142)	(70)
Proceeds from differential membership investors used to reduce debt		0	100
FPL [Member]
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income	[1]	971	841
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization		810	620
Nuclear fuel and other amortization		101	112
Deferred income taxes		399	493
Cost recovery clauses and franchise fees		10	137
Acquisition of purchased power agreement		(258)	0
Recoverable storm-related costs		(105)	9
Other - net		(56)	(12)
Changes in operating assets and liabilities:
Current assets		(227)	(24)
Noncurrent assets		(16)	14
Current liabilities		437	211
Noncurrent liabilities		(13)	(78)
Net cash provided by operating activities		2,053	2,323
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures of FPL		(2,648)	(2,129)
Nuclear fuel purchases		(94)	(70)
Proceeds from sale or maturity of securities in special use funds		902	1,079
Purchases of securities in special use funds		(949)	(1,120)
Other - net		26	28
Net cash used in investing activities		(2,763)	(2,212)
CASH FLOWS FROM FINANCING ACTIVITIES
Issuances of long-term debt		200	0
Retirements of long-term debt		(35)	(33)
Net change in commercial paper		732	307
Proceeds from other short-term debt		200	500
Dividends		(400)	(900)
Other - net		13	6
Net cash provided by (used in) financing activities		710	(120)
Net increase (decrease) in cash and cash equivalents		0	(9)
Cash and cash equivalents at beginning of period		33	23
Cash and cash equivalents at end of period		33	14
SUPPLEMENTAL SCHEDULE OF NONCASH INVESTING AND FINANCING ACTIVITIES
Accrued property additions		477	435
Increase in property, plant and equipment as a result of a settlement/noncash exchange		$ (144)	$ 0

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