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Components of Net Periodic Benefit Cost for Pension and Retiree Medical Plans (Detail) - USD ($)
$ in Millions
 3 Months Ended 8 Months Ended
Sep. 05, 2015
Sep. 06, 2014
Jun. 14, 2014
Sep. 05, 2015
Sep. 06, 2014
Defined Benefit Plan Disclosure [Line Items]          
Defined Benefit Plan, Contributions by Employer     $ 19    
U.S.          
Defined Benefit Plan Disclosure [Line Items]          
Service cost $ 100 $ 91   $ 301 $ 272
Interest cost 126 134   378 402
Expected return on plan assets (195) (181)   (588) (543)
Amortization of prior service (credit)/cost (1) 5   (2) 14
Amortization of net losses/(gains) 47 40   142 121
Gross total 77 89   231 266
Special termination benefits 4 3   9 11
Total expense 81 92   240 277
International          
Defined Benefit Plan Disclosure [Line Items]          
Service cost 25 24   70 67
Interest cost 30 33   81 90
Expected return on plan assets (44) (44)   (122) (120)
Amortization of net losses/(gains) 18 14   50 36
Gross total 29 27   79 73
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements (3) (3)   (3) (3)
Total expense 32 30   82 76
Retiree Medical          
Defined Benefit Plan Disclosure [Line Items]          
Service cost 8 8   24 24
Interest cost 12 14   36 42
Expected return on plan assets (6) (6)   (18) (18)
Amortization of prior service (credit)/cost (9) (5)   (27) (15)
Amortization of net losses/(gains)   (2)   1 (4)
Gross total 5 9   16 29
Special termination benefits   1   1 2
Total expense $ 5 $ 10   $ 17 $ 31