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Fair Value Measurements - Schedule of Investment Maturities (Details) - Fair Value - USD ($)
$ in Millions
Dec. 30, 2016
Dec. 25, 2015
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Less than 1 year $ 417 $ 810
1 - 2 years 12 9
2 - 5 years 4 27
Greater than 5 years 67 73
Investments at fair value $ 500 $ 919