Quarterly report pursuant to Section 13 or 15(d)

Cash and Investments (Detail)

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Cash and Investments (Detail) - USD ($)
$ in Millions
Oct. 01, 2016
Dec. 26, 2015
Investments and Cash [Abstract]    
Available-for-sale investments $ 16,339 $ 22,007
Cash 1,126 1,466
Equity method investments 1,508 1,590
Loans receivable 868 794
Non-marketable cost method investments 3,157 2,933
Reverse repurchase agreements 1,018 3,368
Trading assets 9,747 7,323
Total cash and investments $ 33,763 $ 39,481