v2.4.0.8
Shareholders' Equity (Details 2) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 28, 2013
Dec. 29, 2012
Dec. 31, 2011
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance $ (132)    
Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance 64 (132)  
Defined Benefit Plan, Amortization of Gains (Losses) 51 66  
Pension settlement charges 30 89 0
Defined Benefit Plan, Amortization of Prior Service Cost (Credit) 2 1  
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Reclassification Adjustments, Tax 30 57 12
Translation Adjustment and Gains (Losses) From Intra-Entity Transactions of a Long-Term Nature
      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance 166 140  
Amounts classified into OCI, net of tax 4 23  
Amounts reclassified from accumulated OCI, net of tax 0 3  
OCI, net of tax 4 26  
Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance 170 166  
Pension and Post-Retirement Benefit Plan Losses
      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance (286) (375)  
Amounts classified into OCI, net of tax 136 (10)  
Amounts reclassified from accumulated OCI, net of tax 53 99  
OCI, net of tax 189 89  
Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance (97) (286)  
Net Unrealized Loss on Derivative Instruments
      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance (12) (12)  
Amounts classified into OCI, net of tax 4 (4)  
Amounts reclassified from accumulated OCI, net of tax (1) 4  
OCI, net of tax 3 0  
Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance (9) (12)  
Total
      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance (132) (247)  
Amounts classified into OCI, net of tax 144 9  
Amounts reclassified from accumulated OCI, net of tax 52 106  
OCI, net of tax 196 115  
Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance $ 64 $ (132)