Long-Term Debt - Textuals (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Long-term debt
Total Debt Obligations	$ 8,386	$ 8,392
2013 (remaining three months)	25
2014	483
2015	7
2016	6
2017	306
2018	3,426
Thereafter	4,133
Tranche B 2020 Term Loan
Long-term debt
Stated interest rate (as a percent)	4.00%
Total Debt Obligations	1,796
Tranche B-III 2019 Term Loan
Long-term debt
Total Debt Obligations	815
8.875% Senior Notes due 2019
Long-term debt
Total Debt Obligations	300	300
7.0% Senior Notes due 2020
Long-term debt
Total Debt Obligations	$ 775	$ 775

Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount of long-term debt and capital lease obligation maturing after the fifth fiscal year following the latest fiscal year.

+ References

No definition available.

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Amount of long-term debt and capital lease obligation maturing in the fifth fiscal year following the latest fiscal year.

+ References

No definition available.

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Amount of long-term debt and capital lease obligation maturing in the fourth fiscal year following the latest fiscal year.

+ References

No definition available.

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Amount of long-term debt and capital lease obligation maturing in the third fiscal year following the latest fiscal year.

+ References

No definition available.

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Amount of long-term debt and capital lease obligation maturing in the second fiscal year following the latest fiscal year.

+ References

No definition available.

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Amount of long-term debt and capital lease obligation maturing in the remainder of the fiscal year following the latest fiscal year ended.

+ References

No definition available.

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Amount of long-term debt and capital lease obligation maturing in the next fiscal year following the latest fiscal year.

+ References

No definition available.

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