Cash, Cash Equivalents and Short-Term Investments (Details 1) $ in Millions	Feb. 28, 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	$ 73	$ 245
Available-for-sale securities in a continuous unrealized loss position for more than twelve months, fair value	$ 9	$ 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	27	115
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Greater than or Equal to One Year | securities	4	38
Corporate debt securities
Schedule of Available-for-sale Securities
Available-for-sale securities, continuous unrealized loss position, less than twelve months, fair value	$ 70	$ 235
Available-for-sale securities in a continuous unrealized loss position for more than twelve months, fair value	9	44
Asset-backed securities
Schedule of Available-for-sale Securities
Available-for-sale securities, continuous unrealized loss position, less than twelve months, fair value	3	7
Available-for-sale securities in a continuous unrealized loss position for more than twelve months, 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	0	3
Available-for-sale securities in a continuous unrealized loss position for more than twelve months, fair value	$ 0	$ 0