CONSOLIDATED STATEMENTS OF INCOME (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
OPERATING REVENUES	$ 15,341	$ 15,317	$ 15,643
OPERATING EXPENSES
Fuel, purchased power and interchange	6,256	6,242	7,405
Other operations and maintenance	3,002	2,877	2,649
Impairment charges	51	19	0
Depreciation and amortization	1,567	1,788	1,765
Taxes other than income taxes and other	1,087	1,148	1,230
Total operating expenses	11,963	12,074	13,049
OPERATING INCOME	3,378	3,243	2,594
OTHER INCOME (DEDUCTIONS)
Interest expense	(1,035)	(979)	(849)
Loss on sale of natural gas-fired generating assets	(151)	0	0
Equity in earnings of equity method investees	55	58	52
Allowance for equity funds used during construction	39	37	53
Interest income	79	91	78
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	38	(12)	12
Total other deductions - net	(926)	(754)	(652)
INCOME BEFORE INCOME TAXES	2,452	2,489	1,942
INCOME TAXES	529	532	327
NET INCOME	1,923	1,957	1,615
Earnings per share of common stock:
Basic (in dollars per share)	$ 4.62	$ 4.77	$ 3.99
Assuming dilution (in dollars per share)	$ 4.59	$ 4.74	$ 3.97
Dividends per share of common stock (in dollars per share)	$ 2.20	$ 2.00	$ 1.89
Weighted-average number of common shares outstanding:
Basic (in shares)	416.6	410.3	404.4
Assuming dilution (in shares)	419.0	413.0	407.2
Florida Power and Light Company [Member]
OPERATING REVENUES	10,613	10,485	11,491
OPERATING EXPENSES
Fuel, purchased power and interchange	4,977	4,982	6,220
Other operations and maintenance	1,699	1,620	1,496
Depreciation and amortization	798	1,008	1,097
Taxes other than income taxes and other	1,063	1,026	1,097
Total operating expenses	8,537	8,636	9,910
OPERATING INCOME	2,076	1,849	1,581
OTHER INCOME (DEDUCTIONS)
Interest expense	(387)	(361)	(318)
Allowance for equity funds used during construction	35	36	53
Other - net	(2)	1	(12)
Total other deductions - net	(354)	(324)	(277)
INCOME BEFORE INCOME TAXES	1,722	1,525	1,304
INCOME TAXES	654	580	473
NET INCOME	$ 1,068	$ 945	$ 831