CONSOLIDATED STATEMENTS OF COMMON SHAREHOLDERS' EQUITY - USD ($) $ in Millions		Total	Common Stock [Member]		Additional Paid-in Capital [Member]	Unearned ESOP Compensation [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Total common Shareholders' Equity [Member]	Noncontrolling Interest [Member]	FPL [Member]		FPL [Member] Common Stock [Member]	FPL [Member] Additional Paid-in Capital [Member]	FPL [Member] Retained Earnings [Member]
Balances (in shares) at Dec. 31, 2012	[1]		424,000,000
Beginning Balance at Dec. 31, 2012		$ 16,068	$ 4		$ 5,575	$ (39)	$ (255)	$ 10,783	$ 16,068	$ 0
BEGINNING BALANCE at Dec. 31, 2012											$ 12,530		$ 1,373	$ 5,903	$ 5,254
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		1,908						1,908	1,908
NET INCOME		1,908									1,349	[2]			1,349
Issuances of common stock, net of issuance cost of less than $1					823	4			827
Issuances of common stock, net of issuance cost (in shares)			10,000,000
Exercise of stock options and other incentive plan activity					74				74
Exercise of stock options and other incentive plan activity (in shares)			1,000,000
Dividends on common stock	[3]							(1,122)	(1,122)
Earned compensation under ESOP					37	9			46
Premium on equity units					(62)				(62)
Other comprehensive income (loss)		311					311		311
Issuance costs on equity units					(10)				(10)
Capital contributions from NEE											275			275
Dividends to NEE															(1,070)
Other														1	(1)
ENDING BALANCE at Dec. 31, 2013											13,084		1,373	6,179	5,532
Ending Balance at Dec. 31, 2013		18,040	$ 4		6,437	(26)	56	11,569	18,040	0
Balance (in shares) at Dec. 31, 2013	[1]		435,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		2,469						2,465	2,465	4
NET INCOME		2,465									1,517	[2]			1,517
Issuances of common stock, net of issuance cost of less than $1					604	3			607
Issuances of common stock, net of issuance cost (in shares)			7,000,000
Exercise of stock options and other incentive plan activity					102				102
Exercise of stock options and other incentive plan activity (in shares)			1,000,000
Dividends on common stock	[3]							(1,261)	(1,261)
Earned compensation under ESOP					50	9			59
Other comprehensive income (loss)		(98)					(96)		(96)	(2)
NEP acquisition of limited partner interest in NEP OpCo										232
Capital contributions from NEE											100			100
Dividends to NEE															(1,550)
Other										18
ENDING BALANCE at Dec. 31, 2014		19,916									13,151		1,373	6,279	5,499
Ending Balance at Dec. 31, 2014		$ 20,168	$ 4		7,193	(14)	(40)	12,773	19,916	252	$ 13,151
Balance (in shares) at Dec. 31, 2014		443,000,000	443,000,000	[1]							1,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		$ 2,762						2,752	2,752	10
NET INCOME		2,752									$ 1,648	[2]			1,648
Issuances of common stock, net of issuance cost of less than $1			$ 1		1,302	4			1,307
Issuances of common stock, net of issuance cost (in shares)			17,000,000
Exercise of stock options and other incentive plan activity					56				56
Exercise of stock options and other incentive plan activity (in shares)			1,000,000
Dividends on common stock	[3]							(1,385)	(1,385)
Earned compensation under ESOP					54	9			63
Premium on equity units					(80)				(80)
Other comprehensive income (loss)		(138)					(127)		(127)	(11)
Issuance costs on equity units					(16)				(16)
Sale of NEER Assets to NEP					88				88	252
Distributions to noncontrolling interests										(20)
Capital contributions from NEE											1,454			1,454
Dividends to NEE															(700)
Other										55
ENDING BALANCE at Dec. 31, 2015		22,574									15,553		$ 1,373	$ 7,733	$ 6,447
Ending Balance at Dec. 31, 2015		$ 23,112	$ 5		$ 8,597	$ (1)	$ (167)	$ 14,140	$ 22,574	$ 538	$ 15,553
Balance (in shares) at Dec. 31, 2015		461,000,000	461,000,000	[1]							1,000

[1] Outstanding and unallocated shares held by the Employee Stock Ownership Plan (ESOP) Trust totaled less than 1 million, approximately 1 million and 2 million at December 31, 2015, 2014 and 2013, respectively; the original number of shares purchased and held by the ESOP Trust was approximately 25 million shares.

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

[3] Dividends per share were $3.08, $2.90 and $2.64 for the years ended December 31, 2015, 2014 and 2013, respectively.