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Financial Instruments (Details) (Narrative) (USD $)
In Millions, unless otherwise specified |
Mar. 28, 2015
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Dec. 27, 2014
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| Money Market Funds | ||
| Financial Instruments [Line Items] | ||
| Available-for-sale investments used as collateral |
$ 10us-gaap_AvailableForSaleSecuritiesPledgedAsCollateral / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MoneyMarketFundsMember |
$ 10us-gaap_AvailableForSaleSecuritiesPledgedAsCollateral / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MoneyMarketFundsMember |
| Mutual Funds | ||
| Financial Instruments [Line Items] | ||
| Restricted investments |
$ 14us-gaap_RestrictedInvestments / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_ExchangeTradedFundsMember |
$ 16us-gaap_RestrictedInvestments / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_ExchangeTradedFundsMember |
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- Definition
The fair value of available-for-sale securities that serve as collateral for borrowings. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Investments which are not defined as or included in marketable (debt, equity, or other) securities whose use is restricted in whole or in part, generally by contractual agreements or regulatory requirements. For use in an unclassified balance sheet. No definition available.
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- Details
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- Details
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- Details
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