Debt Obligation (Schedule Of Long-Term Debt) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
Jun. 30, 2011	Dec. 31, 2010	Mar. 31, 2010
Total principal amount	$ 1,366	$ 1,468
Less: Unamortized debt discount	(4)	(5)
Total	1,362	1,463
2017 Term Loan [Member]
Term Loan	666.0	768.0
Debt instrument maturity date	2017
7.875% Notes Due 2020 [Member]
Notes	300	300	300
Debt instrument interest rate percentage	7.875%
Debt instrument maturity date	2020
8.75% Notes Due 2017 [Member]
Notes	$ 400	$ 400
Debt instrument interest rate percentage	8.75%
Debt instrument maturity date	2017

Debt Instrument Maturity Period

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- Definition

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date before deducting unamortized discount or premiums (if any). May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition

Interest rate stated in the contractual debt agreement.

+ References

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-Number 210
-Section 02
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- Definition

The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

+ References

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-Publisher AICPA
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- Definition

Sum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year (current maturities) or the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any.

+ References

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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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- Definition

Carrying value as of the balance sheet date , including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

+ References

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