Fair Value Measurements - Assets Measured at Fair Value (Details) - USD ($) $ in Millions	Apr. 27, 2025	Oct. 27, 2024	Apr. 28, 2024
Assets:
Restricted cash equivalents included in deferred income taxes and other assets	$ 75		$ 90
Restricted Cash Equivalents, Statement of Financial Position [Extensible Enumeration]	Deferred Income Taxes and Other Assets, Noncurrent	Deferred Income Taxes and Other Assets, Noncurrent
Money market funds
Assets:
Restricted cash equivalents included in deferred income taxes and other assets	$ 75	$ 91
Bank certificates of deposit and time deposits
Assets:
Available-for-sale debt security investments	9	13
U.S. Treasury and agency securities
Assets:
Available-for-sale debt security investments	395	1,304
Non-U.S. government securities
Assets:
Available-for-sale debt security investments	8	5
Municipal securities
Assets:
Available-for-sale debt security investments	449	441
Commercial paper, corporate bonds and medium-term notes
Assets:
Available-for-sale debt security investments	874	805
Asset-backed and mortgage-backed securities
Assets:
Available-for-sale debt security investments	625	654
Publicly traded equity securities
Assets:
Equity investments with readily determinable values	1,520	723
Recurring Fair Value Measurements
Assets:
Available-for-sale debt security investments	7,164	10,022
Equity investments with readily determinable values	1,520	723
Total	8,684	10,745
Recurring Fair Value Measurements | Money market funds
Assets:
Available-for-sale debt security investments	2,609	3,512
Recurring Fair Value Measurements | Bank certificates of deposit and time deposits
Assets:
Available-for-sale debt security investments	109	103
Recurring Fair Value Measurements | U.S. Treasury and agency securities
Assets:
Available-for-sale debt security investments	395	2,698
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	499	460
Recurring Fair Value Measurements | Commercial paper, corporate bonds and medium-term notes
Assets:
Available-for-sale debt security investments	2,919	2,590
Recurring Fair Value Measurements | Asset-backed and mortgage-backed securities
Assets:
Available-for-sale debt security investments	625	654
Recurring Fair Value Measurements | Publicly traded equity securities
Assets:
Equity investments with readily determinable values	1,520	723
Recurring Fair Value Measurements | Level 1
Assets:
Available-for-sale debt security investments	2,996	6,196
Equity investments with readily determinable values	1,520	723
Total	4,516	6,919
Recurring Fair Value Measurements | Level 1 | Money market funds
Assets:
Available-for-sale debt security investments	2,609	3,512
Recurring Fair Value Measurements | Level 1 | Bank certificates of deposit and time deposits
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	387	2,684
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
Assets:
Equity investments with readily determinable values	1,520	723
Recurring Fair Value Measurements | Level 2
Assets:
Available-for-sale debt security investments	4,168	3,826
Equity investments with readily determinable values	0	0
Total	4,168	3,826
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 certificates of deposit and time deposits
Assets:
Available-for-sale debt security investments	109	103
Recurring Fair Value Measurements | Level 2 | U.S. Treasury and agency securities
Assets:
Available-for-sale debt security investments	8	14
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	499	460
Recurring Fair Value Measurements | Level 2 | Commercial paper, corporate bonds and medium-term notes
Assets:
Available-for-sale debt security investments	2,919	2,590
Recurring Fair Value Measurements | Level 2 | Asset-backed and mortgage-backed securities
Assets:
Available-for-sale debt security investments	625	654
Recurring Fair Value Measurements | Level 2 | Publicly traded equity securities
Assets:
Equity investments with readily determinable values	$ 0	$ 0