Cash, Cash Equivalents and Short-Term Investments (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Aug. 29, 2014	Nov. 29, 2013
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 3,512,560	$ 3,164,332
Unrealized Gains	8,452	10,358
Unrealized Losses	(815)	(938)
Estimated Fair Value, Total cash, cash equivalents and short-term investments	3,520,197	3,173,752
Cash and cash equivalents [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	903,329	834,556
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value, cash and cash equivalents	903,329	834,556
Cash [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	274,463	286,221
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value, cash and cash equivalents	274,463	286,221
Cash equivalents [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	628,866	548,335
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value, cash and cash equivalents	628,866	548,335
Cash equivalents [Member] | Money Market Funds
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	565,996	429,373
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value, cash and cash equivalents	565,996	429,373
Cash equivalents [Member] | Time deposits
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	62,870	104,711
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value, cash and cash equivalents	62,870	104,711
Cash equivalents [Member] | U.S. Treasury securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		14,251
Unrealized Gains		0
Unrealized Losses		0
Estimated Fair Value, cash and cash equivalents		14,251
Short-term investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	2,609,231	2,329,776
Unrealized Gains	8,452	10,358
Unrealized Losses	(815)	(938)
Estimated Fair Value, short-term investments	2,616,868	2,339,196
Short-term investments [Member] | Marketable equity securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	174	177
Unrealized Gains	453	543
Unrealized Losses	0	0
Estimated Fair Value, short-term investments	627	720
Short-term fixed income securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	2,609,057	2,329,599
Unrealized Gains	7,999	9,815
Unrealized Losses	(815)	(938)
Estimated Fair Value, short-term investments	2,616,241	2,338,476
Short-term fixed income securities [Member] | Corporate bonds and commercial paper
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	1,456,706	1,261,375
Unrealized Gains	5,955	7,116
Unrealized Losses	(425)	(631)
Estimated Fair Value, short-term investments	1,462,236	1,267,860
Short-term fixed income securities [Member] | Foreign government securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	23,128	11,213
Unrealized Gains	40	56
Unrealized Losses	(3)	0
Estimated Fair Value, short-term investments	23,165	11,269
Short-term fixed income securities [Member] | Municipal securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	185,634	186,320
Unrealized Gains	543	328
Unrealized Losses	(5)	(24)
Estimated Fair Value, short-term investments	186,172	186,624
Short-term fixed income securities [Member] | U.S. agency securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	506,227	446,615
Unrealized Gains	881	1,516
Unrealized Losses	(260)	(186)
Estimated Fair Value, short-term investments	506,848	447,945
Short-term fixed income securities [Member] | U.S. Treasury securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	437,362	424,076
Unrealized Gains	580	799
Unrealized Losses	(122)	(97)
Estimated Fair Value, short-term investments	$ 437,820	$ 424,778