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Cash, Cash Equivalents and Short-Term Investments (Details 1) $ in Millions	Nov. 27, 2020 USD ($) securities	Nov. 29, 2019 USD ($) securities
Schedule of Available-for-sale Securities
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 232	$ 245
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	$ 0	$ 51
Fair Value and Gross Unrealized Losses
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | securities	99	115
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | securities	0	38
Corporate debt securities [Member]
Schedule of Available-for-sale Securities
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 207	$ 235
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	0	44
Asset-backed Securities [Member]
Schedule of Available-for-sale Securities
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	22	7
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	0	7
Foreign government securities [Member]
Schedule of Available-for-sale Securities
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	3	0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	0	0
Municipal securities [Member]
Schedule of Available-for-sale Securities
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	0	3
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	$ 0	$ 0

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