CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES
Net income (loss)	$ 272		$ 461
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	419		320
Nuclear fuel and other amortization	81		76
Impairment charges	300		0
Unrealized (gains) losses on marked to market energy contracts	42		(132)
Deferred income taxes	363		134
Cost recovery clauses and franchise fees	(19)		48
Changes in prepaid option premiums and derivative settlements	13		(1)
Benefits associated with differential membership interests- net	(40)		(41)
Allowance for equity funds used during construction	(26)		(13)
Net gain from discontinued operations, net of income taxes	(188)		0
Other - net	85		44
Changes in operating assets and liabilities:
Customer and other receivables	136		59
Materials, supplies and fossil fuel inventory	(25)		(18)
Other current assets	(10)		(24)
Other assets	(25)		40
Accounts payable	42		(75)
Margin cash collateral	(2)		75
Income taxes	(205)		8
Interest and other taxes	74		66
Other current liabilities	(219)		(168)
Other liabilities	14		(24)
Net cash provided by operating activities	1,082		835
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures of FPL	(810)		(1,084)
Independent power and other investments of NEER	(972)		(740)
Cash grants under the American Recovery and Reinvestment Act of 2009	170		0
Nuclear fuel purchases	(24)		(44)
Other capital expenditures	(61)		(146)
Change in loan proceeds restricted for construction	112		45
Proceeds from sale or maturity of securities in special use funds	924		936
Purchases of securities in special use funds	(946)		(973)
Proceeds from sale or maturity of other securities	81		99
Purchases of other securities	(68)		(95)
Other - net	16		7
Net cash used in investing activities	(1,578)		(1,995)
CASH FLOWS FROM FINANCING ACTIVITIES
Issuances of long-term debt	623		566
Retirements of long-term debt	(923)		(134)
Proceeds from sale of differential membership interests	0		303
Payments to differential membership investors	(20)		0
Net change in short-term debt	966		582
Issuances of common stock - net	8		12
Repurchase of common stock	0		(19)
Dividends	(279)		(248)
Other - net	7		(4)
Net cash provided by (used in) financing activities	382		1,058
Net increase (decrease) in cash and cash equivalents	(114)		(102)
Cash and cash equivalents at beginning of period	329		377
Cash and cash equivalents at end of period	215		275
SUPPLEMENTAL SCHEDULE OF NONCASH INVESTING AND FINANCING ACTIVITIES
Accrued property additions	674		884
Sale of hydropower generation plants through assumption of debt by buyer	700		0
FPL [Member]
CASH FLOWS FROM OPERATING ACTIVITIES
Net income (loss)	288	[1]	239	[1]
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	181		118
Nuclear fuel and other amortization	34		27
Deferred income taxes	238		265
Cost recovery clauses and franchise fees	(19)		48
Allowance for equity funds used during construction	(18)		(10)
Other - net	42		6
Changes in operating assets and liabilities:
Customer and other receivables	106		53
Materials, supplies and fossil fuel inventory	(2)		(22)
Other current assets	(17)		(21)
Other assets	(10)		(11)
Accounts payable	74		6
Income taxes	(66)		(117)
Interest and other taxes	81		77
Other current liabilities	(127)		(107)
Other liabilities	(9)		7
Net cash provided by operating activities	776		558
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures of FPL	(810)		(1,084)
Nuclear fuel purchases	(11)		(28)
Proceeds from sale or maturity of securities in special use funds	685		727
Purchases of securities in special use funds	(701)		(758)
Other - net	(1)		26
Net cash used in investing activities	(838)		(1,117)
CASH FLOWS FROM FINANCING ACTIVITIES
Retirements of long-term debt	(427)		(25)
Net change in short-term debt	800		507
Capital contribution from NEE	0		40
Dividends	(340)		0
Other - net	24		17
Net cash provided by (used in) financing activities	57		539
Net increase (decrease) in cash and cash equivalents	(5)		(20)
Cash and cash equivalents at beginning of period	40		36
Cash and cash equivalents at end of period	35		16
SUPPLEMENTAL SCHEDULE OF NONCASH INVESTING AND FINANCING ACTIVITIES
Accrued property additions	$ 339		$ 560

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