Cash, Cash Equivalents and Short-Term Investments (Details) - USD ($) $ in Thousands	Aug. 28, 2015	Nov. 28, 2014
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 3,671,461	$ 3,731,688
Unrealized Gains	2,402	8,416
Unrealized Losses	(5,130)	(613)
Estimated Fair Value, Total cash, cash equivalents and short-term investments	3,668,733	3,739,491
Cash and cash equivalents [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	829,292	1,117,400
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value, cash and cash equivalents	829,292	1,117,400
Cash [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	345,625	348,283
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value, cash and cash equivalents	345,625	348,283
Cash equivalents [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	483,667	769,117
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value, cash and cash equivalents	483,667	769,117
Cash equivalents [Member] | Money Market Funds
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	447,303	705,978
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value, cash and cash equivalents	447,303	705,978
Cash equivalents [Member] | Time deposits
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	36,364	63,139
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value, cash and cash equivalents	36,364	63,139
Short-term Investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	2,842,169	2,614,288
Unrealized Gains	2,402	8,416
Unrealized Losses	(5,130)	(613)
Estimated Fair Value, short-term investments	2,839,441	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	2,842,169	2,614,135
Unrealized Gains	2,402	8,078
Unrealized Losses	(5,130)	(613)
Estimated Fair Value, short-term investments	2,839,441	2,621,600
Short-term fixed income securities [Member] | Corporate bonds and commercial paper
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	1,732,496	1,514,632
Unrealized Gains	1,596	5,253
Unrealized Losses	(4,891)	(509)
Estimated Fair Value, short-term investments	1,729,201	1,519,376
Short-term fixed income securities [Member] | Asset-backed securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	67,307
Unrealized Gains	40
Unrealized Losses	(32)
Estimated Fair Value, short-term investments	67,315
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	164,449	174,775
Unrealized Gains	221	438
Unrealized Losses	(60)	(12)
Estimated Fair Value, short-term investments	164,610	175,201
Short-term fixed income securities [Member] | U.S. agency securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	207,550	497,154
Unrealized Gains	182	1,295
Unrealized Losses	(3)	(64)
Estimated Fair Value, short-term investments	207,729	498,385
Short-term fixed income securities [Member] | U.S. Treasury securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	670,367	423,075
Unrealized Gains	363	1,080
Unrealized Losses	(144)	(28)
Estimated Fair Value, short-term investments	$ 670,586	$ 424,127