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 investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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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	Jul. 31, 2022	Oct. 31, 2021	Aug. 01, 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
Bank certificate of deposit
Assets:
Available-for-sale debt security investments	6
U.S. Treasury and agency securities
Assets:
Available-for-sale debt security investments	392	314
Municipal securities
Assets:
Available-for-sale debt security investments	361	369
Commercial paper, corporate bonds and medium-term notes
Assets:
Available-for-sale debt security investments	657	587
Asset-backed and mortgage-backed securities
Assets:
Available-for-sale debt security investments	429	557
Publicly traded equity securities
Equity investments with readily determinable values
Equity investments with readily determinable values	136	58
Recurring fair value measurements
Assets:
Available-for-sale debt security investments	3,629	5,526
Equity investments with readily determinable values
Equity investments with readily determinable values	136	58
Total	3,765	5,584
Recurring fair value measurements \| Money market funds
Assets:
Available-for-sale debt security investments	1,485	3,662
Recurring fair value measurements \| Bank certificate of deposit
Assets:
Available-for-sale debt security investments	6	0
Recurring fair value measurements \| U.S. Treasury and agency securities
Assets:
Available-for-sale debt security investments	392	314
Recurring fair value measurements \| Non-U.S. government securities
Assets:
Available-for-sale debt security investments	8	5
Recurring fair value measurements \| Municipal securities
Assets:
Available-for-sale debt security investments	372	391
Recurring fair value measurements \| Commercial paper, corporate bonds and medium-term notes
Assets:
Available-for-sale debt security investments	937	597
Recurring fair value measurements \| Asset-backed and mortgage-backed securities
Assets:
Available-for-sale debt security investments	429	557
Recurring fair value measurements \| Publicly traded equity securities
Equity investments with readily determinable values
Equity investments with readily determinable values	136	58
Recurring fair value measurements \| Level 1
Assets:
Available-for-sale debt security investments	1,860	3,958
Equity investments with readily determinable values
Equity investments with readily determinable values	136	58
Total	1,996	4,016
Recurring fair value measurements \| Level 1 \| Money market funds
Assets:
Available-for-sale debt security investments	1,485	3,662
Recurring fair value measurements \| Level 1 \| Bank certificate of deposit
Assets:
Available-for-sale debt security investments	0	0
Recurring fair value measurements \| Level 1 \| U.S. Treasury and agency securities
Assets:
Available-for-sale debt security investments	375	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	136	58
Recurring fair value measurements \| Level 2
Assets:
Available-for-sale debt security investments	1,769	1,568
Equity investments with readily determinable values
Equity investments with readily determinable values	0	0
Total	1,769	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 \| Bank certificate of deposit
Assets:
Available-for-sale debt security investments	6	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	8	5
Recurring fair value measurements \| Level 2 \| Municipal securities
Assets:
Available-for-sale debt security investments	372	391
Recurring fair value measurements \| Level 2 \| Commercial paper, corporate bonds and medium-term notes
Assets:
Available-for-sale debt security investments	937	597
Recurring fair value measurements \| Level 2 \| Asset-backed and mortgage-backed securities
Assets:
Available-for-sale debt security investments	429	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