CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
CASH FLOWS FROM OPERATING ACTIVITIES
Net income (loss)	$ 1,923	$ 1,957	$ 1,615
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	1,567	1,788	1,765
Nuclear fuel amortization	277	285	239
Loss on sale of natural gas-fired generating assets	151	0	0
Impairment charges	51	19	0
Unrealized (gains) losses on marked to market energy contracts	(271)	(386)	59
Deferred income taxes	553	511	273
Cost recovery clauses and franchise fees	181	(629)	624
Changes in prepaid option premiums and derivative settlements	(11)	86	(11)
Equity in earnings of equity method investees	(55)	(58)	(52)
Distributions of earnings from equity method investees	95	74	69
Allowance for equity funds used during construction	(39)	(37)	(53)
Gains on disposal of assets - net	(85)	(67)	(60)
Other than temporary impairment losses on securities held in nuclear decommissioning funds	36	16	58
Other - net	203	38	119
Changes in operating assets and liabilities:
Customer receivables	93	(73)	18
Other receivables	56	(29)	(13)
Materials, supplies and fossil fuel inventory	(308)	22	85
Other current assets	(22)	(52)	9
Other assets	(103)	42	(103)
Accounts payable	(97)	179	(86)
Customer deposits	(87)	21	38
Margin cash collateral	81	61	(110)
Income taxes	62	56	8
Interest and other taxes	12	(3)	22
Other current liabilities	3	76	(45)
Other liabilities	(192)	(63)	(5)
Net cash provided by operating activities	4,074	3,834	4,463
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(3,137)	(2,605)	(2,522)
Independent power and other investments of NextEra Energy Resources	(2,601)	(2,899)	(3,068)
Cash grants under the American Recovery and Reinvestment Act of 2009	624	588	100
Funds received from a spent fuel settlement	73	44	86
Nuclear fuel purchases	(538)	(274)	(362)
Other capital expenditures	(352)	(68)	(54)
Sale of natural gas-fired generating assets	1,204	0	0
Loan proceeds restricted for construction	(565)	0	0
Proceeds from sale or maturity of securities in special use funds	4,348	6,726	4,592
Purchases of securities in special use funds	(4,440)	(6,835)	(4,710)
Proceeds from sale or maturity of other securities	488	721	773
Purchases of other securities	(515)	(714)	(782)
Other - net	132	32	12
Net cash used in investing activities	(5,279)	(5,284)	(5,935)
CASH FLOWS FROM FINANCING ACTIVITES
Issuances of long-term debt	3,940	3,724	3,220
Retirements of long-term debt	(2,121)	(769)	(1,635)
Proceeds from sale of differential membership interests	466	261	0
Payments to differential membership investors	(100)	0	0
Net change in short-term debt	460	(1,130)	154
Issuances of common stock - net	48	308	198
Repurchases of common stock	(375)	0	0
Dividends on common stock	(920)	(823)	(766)
Other - net	(118)	(57)	4
Net cash provided by (used in) financing activities	1,280	1,514	1,175
Net increase (decrease) in cash and cash equivalents	75	64	(297)
Cash and cash equivalents at beginning of year	302	238	535
Cash and cash equivalents at end of year	377	302	238
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid for interest (net of amount capitalized)	978	916	805
Cash paid (received) for income taxes - net	(95)	20	61
SUPPLEMENTAL SCHEDULE OF NONCASH INVESTING AND FINANCING ACTIVITIES
Assumption of debt in connection with the purchase of independent power projects	0	35	0
Accrued property additions	909	545	683
Sale of natural gas-fired generating assets through assumption of debt by buyer	158	0	0
Florida Power and Light Company [Member]
CASH FLOWS FROM OPERATING ACTIVITIES
Net income (loss)	1,068	945	831
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	798	1,008	1,097
Nuclear fuel amortization	147	137	127
Deferred income taxes	675	419	391
Cost recovery clauses and franchise fees	181	(629)	624
Allowance for equity funds used during construction	(35)	(36)	(53)
Other - net	73	16	75
Changes in operating assets and liabilities:
Customer receivables	28	127	(42)
Other receivables	37	(43)	42
Materials, supplies and fossil fuel inventory	(254)	23	34
Other current assets	(20)	(25)	6
Other assets	(52)	40	(62)
Accounts payable	(49)	51	(91)
Customer deposits	(88)	22	37
Income taxes	(215)	(129)	(132)
Interest and other taxes	(21)	7	10
Other current liabilities	32	22	(33)
Other liabilities	(60)	(21)	10
Net cash provided by operating activities	2,245	1,934	2,871
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(3,137)	(2,605)	(2,522)
Cash grants under the American Recovery and Reinvestment Act of 2009	218	161	0
Funds received from a spent fuel settlement	57	32	71
Nuclear fuel purchases	(365)	(101)	(195)
Proceeds from sale or maturity of securities in special use funds	2,988	5,079	3,270
Purchases of securities in special use funds	(3,052)	(5,160)	(3,349)
Other - net	32	33	(1)
Net cash used in investing activities	(3,259)	(2,561)	(2,726)
CASH FLOWS FROM FINANCING ACTIVITES
Issuances of long-term debt	840	924	516
Retirements of long-term debt	(45)	(42)	(263)
Net change in short-term debt	229	(717)	45
Capital contribution from NEE	410	660	0
Dividends on common stock	(400)	(250)	(485)
Other - net	(4)	(11)	5
Net cash provided by (used in) financing activities	1,030	564	(182)
Net increase (decrease) in cash and cash equivalents	16	(63)	(37)
Cash and cash equivalents at beginning of year	20	83	120
Cash and cash equivalents at end of year	36	20	83
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid for interest (net of amount capitalized)	389	321	305
Cash paid (received) for income taxes - net	194	291	232
SUPPLEMENTAL SCHEDULE OF NONCASH INVESTING AND FINANCING ACTIVITIES
Accrued property additions	$ 526	$ 275	$ 418