Cash, Cash Equivalents and Short-Term Investments (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
May. 29, 2015	Nov. 28, 2014
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 3,407,103	$ 3,731,688
Unrealized Gains	7,097	8,416
Unrealized Losses	(952)	(613)
Estimated Fair Value, Total cash, cash equivalents and short-term investments	3,413,248	3,739,491
Cash and cash equivalents [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	956,146	1,117,400
Unrealized Gains	1	0
Unrealized Losses	0	0
Estimated Fair Value, cash and cash equivalents	956,147	1,117,400
Cash [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	189,336	348,283
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value, cash and cash equivalents	189,336	348,283
Cash equivalents [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	766,810	769,117
Unrealized Gains	1	0
Unrealized Losses	0	0
Estimated Fair Value, cash and cash equivalents	766,811	769,117
Cash equivalents [Member] \| Corporate bonds and commercial paper
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	1,005
Unrealized Gains	0
Unrealized Losses	0
Estimated Fair Value, cash and cash equivalents	1,005
Cash equivalents [Member] \| Money Market Funds
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	697,055	705,978
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value, cash and cash equivalents	697,055	705,978
Cash equivalents [Member] \| Municipal securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	5,100
Unrealized Gains	1
Unrealized Losses	0
Estimated Fair Value, cash and cash equivalents	5,101
Cash equivalents [Member] \| Time deposits
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	63,650	63,139
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value, cash and cash equivalents	63,650	63,139
Short-term investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	2,450,957	2,614,288
Unrealized Gains	7,096	8,416
Unrealized Losses	(952)	(613)
Estimated Fair Value, short-term investments	2,457,101	2,622,091
Short-term investments [Member] \| Marketable equity securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		153
Unrealized Gains		338
Unrealized Losses		0
Estimated Fair Value, short-term investments		491
Short-term fixed income securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		2,614,135
Unrealized Gains		8,078
Unrealized Losses		(613)
Estimated Fair Value, short-term investments		2,621,600
Short-term fixed income securities [Member] \| Corporate bonds and commercial paper
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	1,535,460	1,514,632
Unrealized Gains	5,673	5,253
Unrealized Losses	(844)	(509)
Estimated Fair Value, short-term investments	1,540,289	1,519,376
Short-term fixed income securities [Member] \| Asset-backed securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	55,697
Unrealized Gains	100
Unrealized Losses	(5)
Estimated Fair Value, short-term investments	55,792
Short-term fixed income securities [Member] \| Foreign government securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		4,499
Unrealized Gains		12
Unrealized Losses		0
Estimated Fair Value, short-term investments		4,511
Short-term fixed income securities [Member] \| Municipal securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	154,726	174,775
Unrealized Gains	207	438
Unrealized Losses	(74)	(12)
Estimated Fair Value, short-term investments	154,859	175,201
Short-term fixed income securities [Member] \| U.S. agency securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	323,320	497,154
Unrealized Gains	602	1,295
Unrealized Losses	(14)	(64)
Estimated Fair Value, short-term investments	323,908	498,385
Short-term fixed income securities [Member] \| U.S. Treasury securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	381,754	423,075
Unrealized Gains	514	1,080
Unrealized Losses	(15)	(28)
Estimated Fair Value, short-term investments	$ 382,253	$ 424,127

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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