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Pension and Postretirement Benefit Plans (Detail) (USD $)
In Millions
3 Months Ended9 Months Ended
Oct. 02, 2011
Oct. 03, 2010
Oct. 02, 2011
Oct. 03, 2010
U.S. Qualified Pension Plans [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Service cost$ 87[1]$ 83[1]$ 266[1]$ 266[1]
Interest cost181[1]183[1]550[1]562[1]
Expected return on plan assets(216)[1](193)[1](657)[1](595)[1]
Amortization of:    
Actuarial losses33[1]38[1]103[1]114[1]
Prior service (credits)/costs(2)[1] (6)[1]1[1]
Curtailments and settlements-net20[1](3)[1]71[1](72)[1]
Special termination benefits7[1]7[1]17[1]57[1]
Net periodic benefit costs110[1]115[1]344[1]333[1]
U.S. Supplemental (Non-Qualified) Pension Plans [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Service cost9[2]7[2]28[2]22[2]
Interest cost17[2]19[2]54[2]59[2]
Amortization of:    
Actuarial losses9[2]7[2]27[2]22[2]
Prior service (credits)/costs(1)[2](1)[2](2)[2](2)[2]
Curtailments and settlements-net3[2]8[2]21[2](1)[2]
Special termination benefits5[2]3[2]18[2]155[2]
Net periodic benefit costs42[2]43[2]146[2]255[2]
International Pension Plans [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Service cost63[3]55[3]190[3]172[3]
Interest cost115[3]103[3]340[3]319[3]
Expected return on plan assets(115)[3](105)[3](336)[3](324)[3]
Amortization of:    
Actuarial losses23[3]17[3]66[3]50[3]
Prior service (credits)/costs(2)[3](1)[3](4)[3](3)[3]
Curtailments and settlements-net3[3] 7[3](5)[3]
Special termination benefits1[3]1[3]4[3]4[3]
Net periodic benefit costs88[3]70[3]267[3]213[3]
Postretirement Plans [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Service cost17[4]18[4]52[4]61[4]
Interest cost49[4]52[4]146[4]160[4]
Expected return on plan assets(9)[4](7)[4](26)[4](23)[4]
Amortization of:    
Actuarial losses4[4]7[4]12[4]7[4]
Prior service (credits)/costs(13)[4](15)[4](40)[4](24)[4]
Curtailments and settlements-net(14)[4](4)[4](40)[4](6)[4]
Special termination benefits1[4]1[4]2[4]13[4]
Net periodic benefit costs$ 35[4]$ 52[4]$ 106[4]$ 188[4]
[1]The increase in net periodic benefit costs in the first nine months of 2011, compared to the first nine months of 2010, for our U.S. qualified plans was primarily driven by higher settlement charges and lower curtailment gains associated with restructuring initiatives partially offset by higher expected return on plan assets and special termination benefits recognized in the prior-year period for certain executives as part of restructuring initiatives.
[2]The decrease in net periodic benefit costs in the first nine months of 2011, compared to the first nine months of 2010, for our U.S. supplemental (non-qualified) pension plans was primarily driven by special termination benefits recognized in the prior-year period for certain executives as part of restructuring initiatives.
[3]The increase in net periodic benefit costs in the first nine months of 2011, compared to the first nine months of 2010, for our international pension plans was primarily driven by the decrease in the discount rate partially offset by higher expected return on plan assets.
[4]The decrease in net periodic benefit costs in the first nine months of 2011, compared to the first nine months of 2010, for our postretirement plans was primarily driven by the harmonization of the postretirement plans and by higher curtailment gains and lower settlement charges associated with restructuring initiatives.