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Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2011

The estimated fair values of our other financial instruments at December 31, 2011 and 2010 have been calculated based upon available market information or an appropriate valuation technique, and are as follows:



	December 31, 2011				December 31, 2010
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Subordinated convertible debentures	$	55	$	49	$	124	$	92
Senior and senior subordinated notes	1,861		1,933		1,854		2,020
Capital leases (1)	39		33		25		20

(1) The fair value of capital leases is determined using the expected present value of the leases.

- Definition

Tabular disclosure of the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments, assets, and liabilities. Such certain disclosures about the financial instruments, assets, and liabilities include: (1) the fair value of the required items together with their carrying amounts (as appropriate) and (2) the methodology and assumptions used in developing such estimates of fair value.

+ References

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+ Details