Face (par) amount of debt instrument at time of issuance.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

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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 FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
-Section 45
-Paragraph 3
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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Section S99
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Debt (First Lien Notes) (Details) - USD ($) $ in Millions	Sep. 30, 2016	May 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Long-term Debt	$ 11,802		$ 11,292
2022 First Lien Notes [Member]
Debt Instrument [Line Items]
Long-term Debt	739		737
First Lien Notes 2023 [Member]
Debt Instrument [Line Items]
Long-term Debt	569		568
2024 First Lien Notes [Member]
Debt Instrument [Line Items]
Long-term Debt	484		484
2026 First Lien Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount		$ 625
Long-term Debt	616		0
Debt Instrument, Interest Rate, Stated Percentage		5.25%
Debt Issuance Costs, Net		$ 9
Corporate Debt Securities [Member]
Debt Instrument [Line Items]
Long-term Debt	$ 2,408		$ 1,789