Quarterly report pursuant to Section 13 or 15(d)

Cash and Investments (Detail)

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Cash and Investments (Detail) (USD $)
In Millions, unless otherwise specified
Sep. 27, 2014
Dec. 28, 2013
Cash and Investments [Abstract]    
Available-for-sale investments $ 14,417 $ 18,086
Cash 576 854
Equity method investments 1,491 1,038
Loans receivable 1,008 1,072
Non-marketable cost method investments 1,871 1,270
Reverse repurchase agreements 718 800
Trading assets 9,000 8,441
Total cash and investments $ 29,081 $ 31,561