Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details) (Schedule of Effective Income Tax Rate Reconciliation)

v2.4.1.9
Income Taxes (Details) (Schedule of Effective Income Tax Rate Reconciliation) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 27, 2014
Sep. 27, 2014
Jun. 28, 2014
Mar. 29, 2014
Dec. 28, 2013
Sep. 28, 2013
Jun. 29, 2013
Mar. 30, 2013
Dec. 27, 2014
Dec. 28, 2013
Dec. 29, 2012
Schedule of Effective Income Tax Rate Reconciliation [Line Items]                      
Statutory federal income tax provision (benefit) at 35% rate                 $ (139)us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate $ (26)us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate $ (426)us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
State taxes, net of federal benefit                 1us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes 1us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes 1us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes
Foreign income at other than U.S. rates                 1us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential 15us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential (13)us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential
US valuation allowance utilized                 144us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance 22us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance 406us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
Credit monetization                 (2)us-gaap_IncomeTaxReconciliationTaxCredits (3)us-gaap_IncomeTaxReconciliationTaxCredits (2)us-gaap_IncomeTaxReconciliationTaxCredits
Provision (benefit) for income taxes $ (3)us-gaap_IncomeTaxExpenseBenefit $ 2us-gaap_IncomeTaxExpenseBenefit $ 4us-gaap_IncomeTaxExpenseBenefit $ 2us-gaap_IncomeTaxExpenseBenefit $ 1us-gaap_IncomeTaxExpenseBenefit $ 3us-gaap_IncomeTaxExpenseBenefit $ 3us-gaap_IncomeTaxExpenseBenefit $ 2us-gaap_IncomeTaxExpenseBenefit $ 5us-gaap_IncomeTaxExpenseBenefit $ 9us-gaap_IncomeTaxExpenseBenefit $ (34)us-gaap_IncomeTaxExpenseBenefit