Annual report pursuant to Section 13 and 15(d)

Valuation and Qualifying Accounts (Detail)

v3.8.0.1
Valuation and Qualifying Accounts (Detail) - Valuation allowance for deferred tax assets [Member] - USD ($)
$ in Millions
12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Dec. 26, 2015
Valuation Allowances And Reserves, Disclosure [Roll Forward]      
Valuation Allowances And Reserves, Beginning Balance $ 953 $ 701 $ 595
Valuation Allowances And Reserves, Additions Charged to Expenses/Other Accounts 237 261 190
Valuation Allowances And Reserves, Net (Deductions) Recoveries (19) (9) (84)
Valuation Allowances And Reserves, Ending Balance $ 1,171 $ 953 $ 701