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Fair Value Measurements - Assets Measured at Fair Value (Details) - USD ($)
$ in Millions
May 01, 2022
Oct. 31, 2021
May 02, 2021
Equity investments with readily determinable values      
Restricted cash equivalents included in deferred income taxes and other assets $ 104   $ 108
Money market funds | Deferred Income Taxes and Other Assets, Net      
Equity investments with readily determinable values      
Restricted cash equivalents included in deferred income taxes and other assets 104 $ 106  
U.S. Treasury and agency securities      
Assets:      
Available-for-sale debt security investments 349 314  
Municipal securities      
Assets:      
Available-for-sale debt security investments 368 369  
Commercial paper, corporate bonds and medium-term notes      
Assets:      
Available-for-sale debt security investments 704 587  
Asset-backed and mortgage-backed securities      
Assets:      
Available-for-sale debt security investments 464 557  
Publicly traded equity securities      
Equity investments with readily determinable values      
Equity investments with readily determinable values 156 58  
Recurring fair value measurements      
Assets:      
Available-for-sale debt security investments 4,085 5,526  
Equity investments with readily determinable values      
Equity investments with readily determinable values 156 58  
Total 4,241 5,584  
Recurring fair value measurements | Money market funds      
Assets:      
Available-for-sale debt security investments 1,916 3,662  
Recurring fair value measurements | U.S. Treasury and agency securities      
Assets:      
Available-for-sale debt security investments 473 314  
Recurring fair value measurements | Non-U.S. government securities      
Assets:      
Available-for-sale debt security investments 47 5  
Recurring fair value measurements | Municipal securities      
Assets:      
Available-for-sale debt security investments 391 391  
Recurring fair value measurements | Commercial paper, corporate bonds and medium-term notes      
Assets:      
Available-for-sale debt security investments 794 597  
Recurring fair value measurements | Asset-backed and mortgage-backed securities      
Assets:      
Available-for-sale debt security investments 464 557  
Recurring fair value measurements | Publicly traded equity securities      
Equity investments with readily determinable values      
Equity investments with readily determinable values 156 58  
Recurring fair value measurements | Level 1      
Assets:      
Available-for-sale debt security investments 2,272 3,958  
Equity investments with readily determinable values      
Equity investments with readily determinable values 156 58  
Total 2,428 4,016  
Recurring fair value measurements | Level 1 | Money market funds      
Assets:      
Available-for-sale debt security investments 1,916 3,662  
Recurring fair value measurements | Level 1 | U.S. Treasury and agency securities      
Assets:      
Available-for-sale debt security investments 356 296  
Recurring fair value measurements | Level 1 | Non-U.S. government securities      
Assets:      
Available-for-sale debt security investments 0 0  
Recurring fair value measurements | Level 1 | Municipal securities      
Assets:      
Available-for-sale debt security investments 0 0  
Recurring fair value measurements | Level 1 | Commercial paper, corporate bonds and medium-term notes      
Assets:      
Available-for-sale debt security investments 0 0  
Recurring fair value measurements | Level 1 | Asset-backed and mortgage-backed securities      
Assets:      
Available-for-sale debt security investments 0 0  
Recurring fair value measurements | Level 1 | Publicly traded equity securities      
Equity investments with readily determinable values      
Equity investments with readily determinable values 156 58  
Recurring fair value measurements | Level 2      
Assets:      
Available-for-sale debt security investments 1,813 1,568  
Equity investments with readily determinable values      
Equity investments with readily determinable values 0 0  
Total 1,813 1,568  
Recurring fair value measurements | Level 2 | Money market funds      
Assets:      
Available-for-sale debt security investments 0 0  
Recurring fair value measurements | Level 2 | U.S. Treasury and agency securities      
Assets:      
Available-for-sale debt security investments 117 18  
Recurring fair value measurements | Level 2 | Non-U.S. government securities      
Assets:      
Available-for-sale debt security investments 47 5  
Recurring fair value measurements | Level 2 | Municipal securities      
Assets:      
Available-for-sale debt security investments 391 391  
Recurring fair value measurements | Level 2 | Commercial paper, corporate bonds and medium-term notes      
Assets:      
Available-for-sale debt security investments 794 597  
Recurring fair value measurements | Level 2 | Asset-backed and mortgage-backed securities      
Assets:      
Available-for-sale debt security investments 464 557  
Recurring fair value measurements | Level 2 | Publicly traded equity securities      
Equity investments with readily determinable values      
Equity investments with readily determinable values $ 0 $ 0