Investments and Fair Value Measurements-Fin Assets and Liabilities 2 (Details 3) - USD ($)		Apr. 03, 2016	Jan. 03, 2016
Financial assets measured at fair value on a recurring basis
Short-term marketable securities		$ 1,249,367,000	$ 2,527,245,000
Long-term marketable securities		112,195,000	117,142,000
Other current assets		253,847,000	226,007,000
Significant Unobservable Inputs (Level 3) [Member]
Financial assets measured at fair value on a recurring basis
Total financial assets		0	0
Financial Liabilities measured at fair value on a recurring basis
Total financial liabilities		0	0
Fair Value, Measurements, Recurring [Member]
Financial assets measured at fair value on a recurring basis
Total financial assets		3,976,685,000	3,916,012,000
Financial Liabilities measured at fair value on a recurring basis
Total financial liabilities		512,000	1,747,000
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Financial assets measured at fair value on a recurring basis
Total financial assets		2,548,994,000	1,303,513,000
Financial Liabilities measured at fair value on a recurring basis
Total financial liabilities		0	0
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member]
Financial assets measured at fair value on a recurring basis
Total financial assets		1,427,691,000	2,612,499,000
Financial Liabilities measured at fair value on a recurring basis
Total financial liabilities		512,000	1,747,000
Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Financial assets measured at fair value on a recurring basis
Total financial assets		0	0
Financial Liabilities measured at fair value on a recurring basis
Total financial liabilities		0	0
Other current accrued liabilities [Member] | Fair Value, Measurements, Recurring [Member]
Financial Liabilities measured at fair value on a recurring basis
Other current accrued liabilities		512,000	1,747,000
Other current accrued liabilities [Member] | Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Financial Liabilities measured at fair value on a recurring basis
Other current accrued liabilities		0	0
Other current accrued liabilities [Member] | Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member]
Financial Liabilities measured at fair value on a recurring basis
Other current accrued liabilities		512,000	1,747,000
Other current accrued liabilities [Member] | Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Financial Liabilities measured at fair value on a recurring basis
Other current accrued liabilities		0	0
Cash equivalents [Member] | Fair Value, Measurements, Recurring [Member]
Financial assets measured at fair value on a recurring basis
Cash equivalents(1)	[1]	2,579,434,000	1,268,249,000
Cash equivalents [Member] | Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Financial assets measured at fair value on a recurring basis
Cash equivalents(1)	[1]	2,512,412,000	1,180,614,000
Cash equivalents [Member] | Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member]
Financial assets measured at fair value on a recurring basis
Cash equivalents(1)	[1]	67,022,000	87,635,000
Cash equivalents [Member] | Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Financial assets measured at fair value on a recurring basis
Cash equivalents(1)	[1]	0	0
Short-term marketable securities [Member] | Fair Value, Measurements, Recurring [Member]
Financial assets measured at fair value on a recurring basis
Short-term marketable securities		1,249,367,000	2,527,245,000
Short-term marketable securities [Member] | Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Financial assets measured at fair value on a recurring basis
Short-term marketable securities		32,246,000	122,899,000
Short-term marketable securities [Member] | Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member]
Financial assets measured at fair value on a recurring basis
Short-term marketable securities		1,217,121,000	2,404,346,000
Short-term marketable securities [Member] | Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Financial assets measured at fair value on a recurring basis
Short-term marketable securities		0	0
Long term marketable securities [Member] | Fair Value, Measurements, Recurring [Member]
Financial assets measured at fair value on a recurring basis
Long-term marketable securities		112,195,000	117,142,000
Long term marketable securities [Member] | Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Financial assets measured at fair value on a recurring basis
Long-term marketable securities		4,336,000	0
Long term marketable securities [Member] | Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member]
Financial assets measured at fair value on a recurring basis
Long-term marketable securities		107,859,000	117,142,000
Long term marketable securities [Member] | Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Financial assets measured at fair value on a recurring basis
Long-term marketable securities		0	0
Other Current Assets [Member] | Fair Value, Measurements, Recurring [Member]
Financial assets measured at fair value on a recurring basis
Other current assets		35,689,000	3,376,000
Other Current Assets [Member] | Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Financial assets measured at fair value on a recurring basis
Other current assets		0	0
Other Current Assets [Member] | Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member]
Financial assets measured at fair value on a recurring basis
Other current assets		35,689,000	3,376,000
Other Current Assets [Member] | Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Financial assets measured at fair value on a recurring basis
Other current assets		$ 0	$ 0

[1] Cash equivalents exclude cash holdings of $692.5 million and $210.7 million included in Cash and cash equivalents on the Condensed Consolidated Balance Sheets as of April 3, 2016 and January 3, 2016, respectively.