CONSOLIDATED STATEMENTS OF COMMON SHAREHOLDERS' EQUITY - USD ($) $ in Millions		Total	Common Stock [Member]	Additional Paid-in Capital [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, 2016			468,000,000
Beginning Balance at Dec. 31, 2016		$ 25,358	$ 5	$ 8,948	$ (70)	$ 15,484	$ 24,367	$ 991
BEGINNING BALANCE at Dec. 31, 2016									$ 16,580		$ 1,373	$ 8,332	$ 6,875
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		5,323				5,380	5,380	(57)	1,880	[1]
NET INCOME		5,380											1,880
Issuances of common stock - net				33			33
Issuances of common stock, net of issuance cost (in shares)			2,000,000
Share-based payment activity				122			122
Exercise of stock options and other incentive plan activity (in shares)			1,000,000
Dividends on common stock	[2]					(1,845)	(1,845)
Other comprehensive income (loss)		192			181		181	11
Sale of NEER assets to NEP								460
Capital contributions from NEE									0
Dividends to NEE		1,845							1,450				(1,450)
Other (in shares)			0
Other				(3)		1	(2)	(110)				(41)	71
ENDING BALANCE at Dec. 31, 2017									17,040		1,373	8,291	7,376
Ending Balance at Dec. 31, 2017		$ 29,531	$ 5	9,100	111	19,020	28,236	1,295
Balance (in shares) at Dec. 31, 2017			471,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common Stock, Dividends, Per Share, Cash Paid		$ 3.93
Net income (loss)		$ 5,776				6,638	6,638	(862)	2,171	[1]
NET INCOME		6,638											2,171
Issuances of common stock - net				700			700
Issuances of common stock, net of issuance cost (in shares)			6,000,000
Share-based payment activity				121			121
Exercise of stock options and other incentive plan activity (in shares)			1,000,000
Dividends on common stock	[2]					(2,101)	(2,101)
Other comprehensive income (loss)		(29)			(29)		(29)	0
Impact of NEP deconsolidation	[3]			0	58	0	58	(2,700)
Sales of differential membership interests to NEP								(941)
Adoption of accounting standards update				590	(328)	280	542	5,303
Other differential membership interests activity				(21)	0	0	(21)	1,243
Capital contributions from NEE									1,785			1,785
Dividends to NEE		2,101							500				(500)
NEE's contribution of a consolidated subsidiary												526
Other (in shares)			0
Other				0		0	0	(69)				(1)	(7)
ENDING BALANCE at Dec. 31, 2018		34,144							21,014		1,373	10,601	9,040
Ending Balance at Dec. 31, 2018		$ 37,413	$ 5	10,490	(188)	23,837	34,144	3,269	$ 21,014
Balance (in shares) at Dec. 31, 2018		478,000,000	478,000,000						1,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common Stock, Dividends, Per Share, Cash Paid		$ 4.44
Net income (loss)		$ 3,388				3,769	3,769		$ 2,334	[1]
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest								(371)
NET INCOME		3,769											2,334
Issuances of common stock - net				1,470			1,470
Issuances of common stock, net of issuance cost (in shares)			10,000,000
Share-based payment activity				164			164
Exercise of stock options and other incentive plan activity (in shares)			1,000,000
Dividends on common stock	[2]					(2,408)	(2,408)
Other comprehensive income (loss)		21			20		20	1
Premium on equity units				(120)			(120)
Other differential membership interests activity				(20)			(20)	1,270
Capital contributions from NEE									250			250
Dividends to NEE		2,408							2,200				(2,200)
Other				(14)	(1)	1	(14)	186
ENDING BALANCE at Dec. 31, 2019		37,005							21,398		$ 1,373	$ 10,851	$ 9,174
Ending Balance at Dec. 31, 2019		$ 41,360	$ 5	$ 11,970	$ (169)	$ 25,199	$ 37,005	$ 4,355	$ 21,398
Balance (in shares) at Dec. 31, 2019		489,000,000	489,000,000						1,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common Stock, Dividends, Per Share, Cash Paid		$ 5.00

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

[2] Dividends per share were $5.00, $4.44 and $3.93 for the years ended December 31, 2019, 2018 and 2017, respectively

[3] See Note 1 - NextEra Energy Partners, LP.