Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

Summary of Significant Accounting Policies [Abstract]

Allowance for Doubtful Accounts Activity

The following table presents our allowance for doubtful accounts activity for the periods presented:

	For Year Ended December 31,
	2012			2011			2010
Balance at beginning of period	$	13.4		$	18.4		$	16.8
Charged to costs and expenses		0.3			0.8			2.6
Acquisition-related additions and other		--			--			1.1
Deductions (1)		(0.5	)		(5.8	)		(2.1	)
Balance at end of period	$	13.2		$	13.4		$	18.4
(1)   The 2011 deduction amount is primarily due to our reassessment of the allowance for doubtful accounts as a result of improved credit ratings of a customer, which reduced our exposure to potential uncollectibility.

Environmental Reserves Activity

The following table presents the activity of our environmental reserves for the periods presented:

	For Year Ended December 31,
	2012			2011			2010
Balance at beginning of period	$	12.3		$	12.4		$	16.7
Charged to costs and expenses		13.9			9.3			2.8
Acquisition-related additions and other		5.2			1.0			0.9
Deductions		(17.7	)		(10.4	)		(8.0	)
Balance at end of period	$	13.7		$	12.3		$	12.4

Schedule of Other Nonoperating Income

The following table presents the components of "Other, net" as presented on our Statements of Consolidated Operations for the periods presented:

	For Year Ended December 31,
	2012			2011			2010
Gain on sales of available-for-sale equity securities of  Energy Transfer Equity (1)	$	68.8		$	--		$	--
Distribution income from Energy Transfer Equity		4.1			--			--
Other		(0.3	)		(0.6	)		2.7
Total	$	72.6		$	(0.6	)	$	2.7
(1)   See Note 9 for information regarding the liquidation of our investment in limited partnership units of Energy Transfer Equity.