Summary of Significant Accounting and Reporting Policies (Tables)

12 Months Ended

Dec. 31, 2011

Summary of Significant Accounting and Reporting Policies [Abstract]

Schedule of Goodwill and Other Intangible Assets

Goodwill and Other Intangible Assets - NEE's goodwill and other intangible assets are as follows:

	Weighted- Average Useful Lives	December 31,
		2011		2010
	(years)	(millions)
Goodwill:
Merchant reporting unit		$	72	$	72
Wind reporting unit		50		45
Fiber-optic telecommunications reporting unit		25		—
Total goodwill		$	147	$	117
Other intangible assets:
Purchased power agreements	19	$	70	$	87
Customer lists	7	45		34
Other, primarily land and transmission rights, permits and licenses	29	231		249
Total		346		370
Less accumulated amortization		88		93
Total other intangible assets - net		$	258	$	277