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Cash, Cash Equivalents and Short-Term Investments (Details 1) $ in Millions	May 29, 2020 USD ($) securities	Nov. 29, 2019 USD ($) securities
Schedule of Available-for-sale Securities
Available-for-sale securities, continuous unrealized loss position, less than twelve months, fair value	$ 211	$ 245
Available-for-sale securities, continuous unrealized loss position, twelve months or longer, fair value	$ 0	$ 51
Fair Value and Gross Unrealized Losses Related to Available-For-Sale Securities
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Less than One Year | securities	90	115
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Greater than or Equal to One Year | securities	0	38
Corporate debt securities
Schedule of Available-for-sale Securities
Available-for-sale securities, continuous unrealized loss position, less than twelve months, fair value	$ 206	$ 235
Available-for-sale securities, continuous unrealized loss position, twelve months or longer, fair value	0	44
Asset-backed securities
Schedule of Available-for-sale Securities
Available-for-sale securities, continuous unrealized loss position, less than twelve months, fair value	2	7
Available-for-sale securities, continuous unrealized loss position, twelve months or longer, fair value	0	7
Municipal securities
Schedule of Available-for-sale Securities
Available-for-sale securities, continuous unrealized loss position, less than twelve months, fair value	3	3
Available-for-sale securities, continuous unrealized loss position, twelve months or longer, fair value	$ 0	$ 0

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