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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
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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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