CONSOLIDATED STATEMENTS OF COMMON SHAREHOLDERS' EQUITY (USD $) In Millions, except Share data, unless otherwise specified		Total	Common Stock [Member]		Additional Paid-in Capital [Member]	Unearned ESOP Compensation [Member]	Accumulated Other Comprehensive Income (Loss) [Member]		Retained Earnings [Member]	Florida Power and Light Company [Member]		Florida Power and Light Company [Member] Common Stock [Member]		Florida Power and Light Company [Member] Additional Paid-in Capital [Member]		Florida Power and Light Company [Member] Retained Earnings [Member]
Beginning Balances at Dec. 31, 2008		$ 11,681	$ 4		$ 4,905	$ (100)	$ (13)	[1]	$ 6,885	$ 8,089	[2]	$ 1,373	[2]	$ 4,393	[2]	$ 2,323	[2]
Balances (in shares) at Dec. 31, 2008			409,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		1,615							1,615	831						831	[2]
Issuances of common stock, net of issuance cost					204	4
Issuances of common stock, net of issuance cost (in shares)			4,000,000
Repurchases of common stock		0
Exercise of stock options and other incentive plan activity					56
Exercise of stock options and other incentive plan activity (in shares)			1,000,000
Dividends on common stock									(766)
Earned compensation under ESOP					30	11
Other comprehensive income (loss)	[1]						165
Defined benefit pension and other benefits plans		22					22	[1]
Premium on publicly-traded equity units known as Corporate Units					(47)
Unamortized issuance costs on publicly-traded equity units known as Corporate Units					(8)		0	[1]	0
Capital contribution from NEE										0
Dividends to NEE	[2]															(485)
Other	[2]															1
Ending Balances (Adjustments for New Accounting Pronouncement [Member])							(5)	[1]	5
Ending Balances at Dec. 31, 2009		12,967	4		5,140	(85)	169	[1]	7,739	8,436	[2]	1,373	[2]	4,393	[2]	2,670	[2]
Balance (in shares) at Dec. 31, 2009	[3]		414,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		1,957							1,957	945						945	[2]
Issuances of common stock, net of issuance cost					279	5
Issuances of common stock, net of issuance cost (in shares)			6,000,000
Repurchases of common stock		0
Exercise of stock options and other incentive plan activity					107
Exercise of stock options and other incentive plan activity (in shares)			1,000,000
Dividends on common stock									(823)
Earned compensation under ESOP					26	11
Other comprehensive income (loss)	[1]						(5)
Defined benefit pension and other benefits plans		2					2	[1]
Premium on publicly-traded equity units known as Corporate Units					(59)
Unamortized issuance costs on publicly-traded equity units known as Corporate Units					(6)
Capital contribution from NEE										(660)				(660)	[2]
Dividends to NEE	[2]															(250)
Other	[2]													1		(1)
Ending Balances at Dec. 31, 2010		14,461	4		5,487	(69)	166	[1]	8,873	9,791	[2]	1,373	[2]	5,054	[2]	3,364	[2]
Balance (in shares) at Dec. 31, 2010		421,000,000	421,000,000	[3]						1,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		1,923							1,923	1,068						1,068	[2]
Issuances of common stock, net of issuance cost					59	5
Issuances of common stock, net of issuance cost (in shares)			1,000,000
Repurchases of common stock		375	(7)		(375)
Exercise of stock options and other incentive plan activity					68
Exercise of stock options and other incentive plan activity (in shares)			1,000,000
Dividends on common stock									(920)
Earned compensation under ESOP					31	11
Other comprehensive income (loss)	[1]						(275)
Defined benefit pension and other benefits plans		(45)					(45)	[1]
Capital contribution from NEE										(410)				(410)	[2]
Dividends to NEE	[2]															(419)
Ending Balances at Dec. 31, 2011		$ 14,943	$ 4		$ 5,270	$ (53)	$ (154)	[1]	$ 9,876	$ 10,850	[2]	$ 1,373	[2]	$ 5,464	[2]	$ 4,013	[2]
Balance (in shares) at Dec. 31, 2011		416,000,000	416,000,000	[3]						1,000

[1] Comprehensive income, which includes net income and other comprehensive income (loss), totaled approximately $1,603 million, $1,954 million and $1,802 million for 2011, 2010 and 2009, respectively.

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

[3] Outstanding and unallocated shares held by the Employee Stock Ownership Plan (ESOP) Trust totaled approximately 4 million, 5 million and 6 million at December 31, 2011, 2010 and 2009, respectively; the original number of shares purchased and held by the ESOP Trust was approximately 25 million shares.