XML 42 R81.htm IDEA: XBRL DOCUMENT v2.4.0.6
Pension Benefits (Components of Pension Expense) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Jan. 01, 2011
401 (k) expense $ 39 $ 36 $ 37
Pension [Member]
     
Service cost 110 96  
Interest cost 207 209  
Pension expense 388 740 90
Pension [Member] | Defined Benefit Plans [Member]
     
Service cost 110 96 88
Interest cost 207 209 200
Expected return on plan assets (344) (361) (285)
Amortization of unrecognized prior service cost 14 14 14
Recognized net loss 372 747 41
Pension expense 359 705 58
Estimated net prior service cost for defined benefit pension plans, expected to be amortized 16    
Pension [Member] | Defined Contribution Plans [Member]
     
Pension expense $ 29 $ 35 $ 32