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Rollforward of Reserves for Federal State and Foreign Tax Jurisdictions (Detail) - USD ($)
$ in Millions
8 Months Ended 12 Months Ended
Sep. 03, 2016
Dec. 26, 2015
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]    
Balance, beginning of year $ 1,547 $ 1,587
Additions for tax positions related to the current year 176 248
Additions for tax positions from prior years 80 122
Reductions for tax positions from prior years (36) (261)
Settlement payments (10) (78)
Statute of limitations expiration (16) (34)
Translation and other (10) (37)
Balance, end of period $ 1,731 $ 1,547