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

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-Section S99
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The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-SubTopic 50
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Borrowings - 8.25% and 8.75% Senior Secured Second Lien Notes (Details) - USD ($) $ in Millions			12 Months Ended
	Jan. 15, 2016	Nov. 25, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Loss on debt extinguishment			$ 1,068	$ 274	$ 79
Senior secured term loan facility \| Subsequent event
Debt Instrument [Line Items]
Loss on debt extinguishment	$ 43
Senior secured term loan facility \| 5.0% Senior secured first lien notes due 2024
Debt Instrument [Line Items]
Interest rate			5.00%
Senior secured term loan facility \| 5.75% Senior secured second lien notes due 2024
Debt Instrument [Line Items]
Interest rate			5.75%
Senior secured term loan facility \| 8.25% Senior secured second lien notes due 2021
Debt Instrument [Line Items]
Interest rate			8.25%
Senior secured term loan facility \| 8.75% Senior secured second lien notes due 2022
Debt Instrument [Line Items]
Interest rate			8.75%
Redeemed debt		$ 250
Senior secured term loan facility \| 8.25% Senior secured second lien notes due 2021 and 8.75% Senior secured second lien notes due 2022
Debt Instrument [Line Items]
Loss on debt extinguishment		$ 138