Fair Value Measurements - Assets Measured at Fair Value (Details) - USD ($) $ in Millions	Oct. 26, 2025	Oct. 27, 2024	Oct. 29, 2023
Assets:
Restricted cash equivalents included in deferred income taxes and other assets	$ 71	$ 91	$ 101
Restricted Cash Equivalent, 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	$ 71	$ 91
Bank certificates of deposit and time deposits
Assets:
Available-for-sale debt security investments	4	13
U.S. Treasury and agency securities
Assets:
Available-for-sale debt security investments	1,232	1,304
Non-U.S. government securities
Assets:
Available-for-sale debt security investments	5	5
Municipal securities
Assets:
Available-for-sale debt security investments	468	441
Commercial paper, corporate bonds and medium-term notes
Assets:
Available-for-sale debt security investments	854	805
Asset-backed and mortgage-backed securities
Assets:
Available-for-sale debt security investments	616	654
Publicly traded equity securities
Assets:
Equity investments with readily determinable values	2,110	723
Recurring
Assets:
Available-for-sale debt security investments	9,072	10,022
Equity investments with readily determinable values	2,110	723
Total	11,182	10,745
Recurring | Money market funds
Assets:
Available-for-sale debt security investments	2,264	3,512
Recurring | Bank certificates of deposit and time deposits
Assets:
Available-for-sale debt security investments	184	103
Recurring | U.S. Treasury and agency securities
Assets:
Available-for-sale debt security investments	2,428	2,698
Recurring | Non-U.S. government securities
Assets:
Available-for-sale debt security investments	5	5
Recurring | Municipal securities
Assets:
Available-for-sale debt security investments	473	460
Recurring | Commercial paper, corporate bonds and medium-term notes
Assets:
Available-for-sale debt security investments	3,102	2,590
Recurring | Asset-backed and mortgage-backed securities
Assets:
Available-for-sale debt security investments	616	654
Recurring | Publicly traded equity securities
Assets:
Equity investments with readily determinable values	2,110	723
Recurring | Level 1
Assets:
Available-for-sale debt security investments	4,373	6,196
Equity investments with readily determinable values	2,110	723
Total	6,483	6,919
Recurring | Level 1 | Money market funds
Assets:
Available-for-sale debt security investments	2,264	3,512
Recurring | Level 1 | Bank certificates of deposit and time deposits
Assets:
Available-for-sale debt security investments	0	0
Recurring | Level 1 | U.S. Treasury and agency securities
Assets:
Available-for-sale debt security investments	2,109	2,684
Recurring | Level 1 | Non-U.S. government securities
Assets:
Available-for-sale debt security investments	0	0
Recurring | Level 1 | Municipal securities
Assets:
Available-for-sale debt security investments	0	0
Recurring | Level 1 | Commercial paper, corporate bonds and medium-term notes
Assets:
Available-for-sale debt security investments	0	0
Recurring | Level 1 | Asset-backed and mortgage-backed securities
Assets:
Available-for-sale debt security investments	0	0
Recurring | Level 1 | Publicly traded equity securities
Assets:
Equity investments with readily determinable values	2,110	723
Recurring | Level 2
Assets:
Available-for-sale debt security investments	4,699	3,826
Equity investments with readily determinable values	0	0
Total	4,699	3,826
Recurring | Level 2 | Money market funds
Assets:
Available-for-sale debt security investments	0	0
Recurring | Level 2 | Bank certificates of deposit and time deposits
Assets:
Available-for-sale debt security investments	184	103
Recurring | Level 2 | U.S. Treasury and agency securities
Assets:
Available-for-sale debt security investments	319	14
Recurring | Level 2 | Non-U.S. government securities
Assets:
Available-for-sale debt security investments	5	5
Recurring | Level 2 | Municipal securities
Assets:
Available-for-sale debt security investments	473	460
Recurring | Level 2 | Commercial paper, corporate bonds and medium-term notes
Assets:
Available-for-sale debt security investments	3,102	2,590
Recurring | Level 2 | Asset-backed and mortgage-backed securities
Assets:
Available-for-sale debt security investments	616	654
Recurring | Level 2 | Publicly traded equity securities
Assets:
Equity investments with readily determinable values	$ 0	$ 0