Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of cash equivalents restricted as to withdrawal or usage. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Fair Value Measurements - Assets Measured at Fair Value (Details) - USD ($) $ in Millions	Jan. 30, 2022	Oct. 31, 2021	Jan. 31, 2021
Equity investments with readily determinable values
Equity investments with readily determinable values	$ 692	$ 687
Restricted cash equivalents included in deferred income taxes and other assets	105		$ 115
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	105	106
U.S. Treasury and agency securities
Assets:
Available-for-sale debt security investments	321	314
Municipal securities
Assets:
Available-for-sale debt security investments	369	369
Commercial paper, corporate bonds and medium-term notes
Assets:
Available-for-sale debt security investments	598	587
Asset-backed and mortgage-backed securities
Assets:
Available-for-sale debt security investments	514	557
Publicly traded equity securities
Equity investments with readily determinable values
Equity investments with readily determinable values	48	58
Recurring fair value measurements
Assets:
Available-for-sale debt security investments	5,916	5,526
Equity investments with readily determinable values
Equity investments with readily determinable values	48	58
Total	5,964	5,584
Recurring fair value measurements \| Money market funds
Assets:
Available-for-sale debt security investments	4,073	3,662
Recurring fair value measurements \| U.S. Treasury and agency securities
Assets:
Available-for-sale debt security investments	321	314
Recurring fair value measurements \| Non-U.S. government securities
Assets:
Available-for-sale debt security investments	5	5
Recurring fair value measurements \| Municipal securities
Assets:
Available-for-sale debt security investments	383	391
Recurring fair value measurements \| Commercial paper, corporate bonds and medium-term notes
Assets:
Available-for-sale debt security investments	620	597
Recurring fair value measurements \| Asset-backed and mortgage-backed securities
Assets:
Available-for-sale debt security investments	514	557
Recurring fair value measurements \| Publicly traded equity securities
Equity investments with readily determinable values
Equity investments with readily determinable values	48	58
Recurring fair value measurements \| Level 1
Assets:
Available-for-sale debt security investments	4,377	3,958
Equity investments with readily determinable values
Equity investments with readily determinable values	48	58
Total	4,425	4,016
Recurring fair value measurements \| Level 1 \| Money market funds
Assets:
Available-for-sale debt security investments	4,073	3,662
Recurring fair value measurements \| Level 1 \| U.S. Treasury and agency securities
Assets:
Available-for-sale debt security investments	304	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	48	58
Recurring fair value measurements \| Level 2
Assets:
Available-for-sale debt security investments	1,539	1,568
Equity investments with readily determinable values
Equity investments with readily determinable values	0	0
Total	1,539	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	17	18
Recurring fair value measurements \| Level 2 \| Non-U.S. government securities
Assets:
Available-for-sale debt security investments	5	5
Recurring fair value measurements \| Level 2 \| Municipal securities
Assets:
Available-for-sale debt security investments	383	391
Recurring fair value measurements \| Level 2 \| Commercial paper, corporate bonds and medium-term notes
Assets:
Available-for-sale debt security investments	620	597
Recurring fair value measurements \| Level 2 \| Asset-backed and mortgage-backed securities
Assets:
Available-for-sale debt security investments	514	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