Summary of Significant Accounting and Reporting Policies (Tables)

12 Months Ended

Dec. 31, 2012

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,
		2012			2011
	(years)	(millions)
Goodwill:
Merchant reporting unit		$	72		$	72
Wind reporting unit		51			50
Fiber-optic telecommunications reporting unit		28			25
Total goodwill		$	151		$	147
Other intangible assets not subject to amortization, primarily land easements		$	143		$	143
Other intangible assets subject to amortization:
Purchased power agreements	19	$	72		$	70
Customer lists	6	39			45
Other, primarily transmission and development rights, permits and licenses	28	87			88
Total		198			203
Less accumulated amortization		(102		)	(88		)
Total other intangible assets subject to amortization - net		$	96		$	115