Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fixed interest rate related to the interest rate derivative.

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- Definition

The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The effective portion of loss reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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Nominal or face amount used to calculate payments on the derivative liability.

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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.

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The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months.

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Derivative Instruments (Details) - USD ($)	3 Months Ended
Derivative Instruments (Details) - USD ($)	Mar. 31, 2017	Dec. 30, 2016	Aug. 31, 2016
Derivative [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	$ 1,000,000
Effective portion reclassified from accumulated other comprehensive income (loss) to earnings	1,000,000
Gains expected to be reclassified in the next 12 months	2,000,000
Asset Derivatives \| Designated as Hedging Instrument
Derivative [Line Items]
Hedged instrument, face amount	1,200,000,000		$ 1,200,000,000
Stated interest rate (in percentage)			1.08%
Asset Derivatives \| Designated as Hedging Instrument \| Notes Which Mature In December 2020
Derivative [Line Items]
Hedged instrument, face amount	$ 450,000,000
Stated interest rate (in percentage)	4.45%
Asset Derivatives \| Other long-term liabilities \| Designated as Hedging Instrument \| Notes Which Mature In December 2020
Derivative [Line Items]
Hedged instrument, face amount	$ 450,000,000
Stated interest rate (in percentage)	4.45%
Fair Value Hedging \| Asset Derivatives \| Other assets \| Designated as Hedging Instrument
Derivative [Line Items]
Derivative asset	$ 3,000,000	$ 3,000,000
Cash Flow Hedging \| Asset Derivatives \| Other assets \| Designated as Hedging Instrument
Derivative [Line Items]
Derivative asset	$ 28,000,000	$ 26,000,000