Cash, Cash Equivalents and Short-Term Investments (Details) (USD $) In Thousands, unless otherwise specified	Aug. 31, 2012	Dec. 02, 2011
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 3,231,880	$ 2,904,985
Unrealized Gains	15,655	11,502
Unrealized Losses	(172)	(4,795)
Estimated Fair Value, Total cash, cash equivalents and short-term investments	3,247,363	2,911,692
Cash and cash equivalents [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	1,162,380	989,500
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value, cash and cash equivalents	1,162,380	989,500
Cash [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	273,293	261,206
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value, cash and cash equivalents	273,293	261,206
Cash equivalents [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	889,087	728,294
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value, cash and cash equivalents	889,087	728,294
Cash equivalents [Member] \| Corporate bonds and commercial paper [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	5,749	15,948
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value, cash and cash equivalents	5,749	15,948
Cash equivalents [Member] \| Money market mutual funds and repurchase agreements [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	827,921	687,152
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value, cash and cash equivalents	827,921	687,152
Cash equivalents [Member] \| Time deposits [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	55,417	15,694
Unrealized Gains	0	0
Unrealized Losses	0	0
Estimated Fair Value, cash and cash equivalents	55,417	15,694
Cash equivalents [Member] \| U.S. agency securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		2,500
Unrealized Gains		0
Unrealized Losses		0
Estimated Fair Value, cash and cash equivalents		2,500
Cash equivalents [Member] \| U.S. Treasury securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		7,000
Unrealized Gains		0
Unrealized Losses		0
Estimated Fair Value, cash and cash equivalents		7,000
Short-term investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	2,069,500	1,915,485
Unrealized Gains	15,655	11,502
Unrealized Losses	(172)	(4,795)
Estimated Fair Value, short-term investments	2,084,983	1,922,192
Short-term investments [Member] \| Marketable equity securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	249	10,581
Unrealized Gains	0	1,686
Unrealized Losses	0	0
Estimated Fair Value, short-term investments	249	12,267
Short-term fixed income securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	2,069,251	1,904,904
Unrealized Gains	15,655	9,816
Unrealized Losses	(172)	(4,795)
Estimated Fair Value, short-term investments	2,084,734	1,909,925
Short-term fixed income securities [Member] \| Corporate bonds and commercial paper [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	1,069,107	1,109,674
Unrealized Gains	11,920	6,533
Unrealized Losses	(123)	(4,670)
Estimated Fair Value, short-term investments	1,080,904	1,111,537
Short-term fixed income securities [Member] \| Foreign government securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	8,063	7,280
Unrealized Gains	48	43
Unrealized Losses	0	0
Estimated Fair Value, short-term investments	8,111	7,323
Short-term fixed income securities [Member] \| Municipal securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	148,984	106,255
Unrealized Gains	136	104
Unrealized Losses	(8)	(4)
Estimated Fair Value, short-term investments	149,112	106,355
Short-term fixed income securities [Member] \| U.S. agency securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	494,630	374,514
Unrealized Gains	2,585	1,496
Unrealized Losses	(26)	(117)
Estimated Fair Value, short-term investments	497,189	375,893
Short-term fixed income securities [Member] \| U.S. Treasury securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	348,467	307,181
Unrealized Gains	966	1,640
Unrealized Losses	(15)	(4)
Estimated Fair Value, short-term investments	$ 349,418	$ 308,817

This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

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This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents Available-for-sale Securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt and equity securities which are categorized as Available-for-sale.

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- Definition

This item represents the gross unrealized gains for securities, at a point in time, which are categorized neither as held-to-maturity nor trading securities.

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- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the Company may deposit additional funds at any time and also effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months.

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