Cash, Cash Equivalents and Short-Term Investments (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Nov. 29, 2013	Nov. 30, 2012
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 3,164,332	$ 3,523,902
Unrealized Gains	10,358	14,711
Unrealized Losses	(938)	(260)
Estimated Fair Value, Total cash, cash equivalents and short-term investments	3,173,752	3,538,353
Cash and cash equivalents [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	834,556	1,425,052
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value, cash and cash equivalents	834,556	1,425,052
Cash [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	286,221	200,771
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value, cash and cash equivalents	286,221	200,771
Cash equivalents [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	548,335	1,224,281
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value, cash and cash equivalents	548,335	1,224,281
Cash equivalents [Member] | Corporate bonds and commercial paper [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		3,998
Unrealized Gains		0
Unrealized Losses		0
Estimated Fair Value, cash and cash equivalents		3,998
Cash equivalents [Member] | Money market mutual funds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	429,373	1,171,270
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value, cash and cash equivalents	429,373	1,171,270
Cash equivalents [Member] | Municipal securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		3,895
Unrealized Gains		0
Unrealized Losses		0
Estimated Fair Value, cash and cash equivalents		3,895
Cash equivalents [Member] | Time deposits [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	104,711	45,118
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value, cash and cash equivalents	104,711	45,118
Cash equivalents [Member] | U.S. Treasury securities [Member]
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	2,329,776	2,098,850
Unrealized Gains	10,358	14,711
Unrealized Losses	(938)	(260)
Available For Sale Securities Fair Value Disclosure	2,339,196	2,113,301
Short-term investments [Member] | Marketable equity securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	177	237
Unrealized Gains	543	7
Unrealized Losses	0	0
Available For Sale Securities Fair Value Disclosure	720	244
Short-term fixed income securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	2,329,599	2,098,613
Unrealized Gains	9,815	14,704
Unrealized Losses	(938)	(260)
Available For Sale Securities Fair Value Disclosure	2,338,476	2,113,057
Short-term fixed income securities [Member] | Corporate bonds and commercial paper [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	1,261,375	1,059,158
Unrealized Gains	7,116	11,415
Unrealized Losses	(631)	(133)
Available For Sale Securities Fair Value Disclosure	1,267,860	1,070,440
Short-term fixed income securities [Member] | Foreign government securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	11,213	6,919
Unrealized Gains	56	45
Unrealized Losses	0	(12)
Available For Sale Securities Fair Value Disclosure	11,269	6,952
Short-term fixed income securities [Member] | Municipal securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	186,320	180,488
Unrealized Gains	328	97
Unrealized Losses	(24)	(60)
Available For Sale Securities Fair Value Disclosure	186,624	180,525
Short-term fixed income securities [Member] | Time deposits [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		20,113
Unrealized Gains		0
Unrealized Losses		0
Available For Sale Securities Fair Value Disclosure		20,113
Short-term fixed income securities [Member] | U.S. agency securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	446,615	501,863
Unrealized Gains	1,516	2,346
Unrealized Losses	(186)	(18)
Available For Sale Securities Fair Value Disclosure	447,945	504,191
Short-term fixed income securities [Member] | U.S. Treasury securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	424,076	330,072
Unrealized Gains	799	801
Unrealized Losses	(97)	(37)
Available For Sale Securities Fair Value Disclosure	$ 424,778	$ 330,836