Fair Value - Assets and Liabilities Measured At Fair Value On Recurring Basis (Details) - USD ($) $ in Millions	Jul. 27, 2024	Jul. 29, 2023
Assets:
Available-for-sale debt investments	$ 9,865	$ 15,592
Marketable equity securities	481	431
Derivative assets	64	32
Total	15,564	25,214
Liabilities:
Derivative liabilities	74	75
Total	74	75
Money market funds
Assets:
Other assets	563	1,313
U.S. government securities
Assets:
Available-for-sale debt investments	2,353	3,526
U.S. government agency securities
Assets:
Available-for-sale debt investments	221	423
Non-U.S. government and agency securities
Assets:
Available-for-sale debt investments	371	363
Corporate debt securities
Assets:
Available-for-sale debt investments	3,677	6,914
U.S. agency mortgage-backed securities
Assets:
Available-for-sale debt investments	1,781	2,205
Commercial paper
Assets:
Available-for-sale debt investments	1,023	1,484
Certificates of deposit
Assets:
Available-for-sale debt investments	439	677
Money market funds
Assets:
Cash equivalents	3,334	6,496
Other current assets	750	188
Commercial paper
Assets:
Cash equivalents	468	1,090
Certificates of deposit
Assets:
Cash equivalents	14	47
Corporate debt securities
Assets:
Cash equivalents	25	25
Level 1
Assets:
Marketable equity securities	481	431
Derivative assets	0	0
Total	5,128	8,428
Liabilities:
Derivative liabilities	0	0
Total	0	0
Level 1 \| Money market funds
Assets:
Other assets	563	1,313
Level 1 \| U.S. government securities
Assets:
Available-for-sale debt investments	0	0
Level 1 \| U.S. government agency securities
Assets:
Available-for-sale debt investments	0	0
Level 1 \| Non-U.S. government and agency securities
Assets:
Available-for-sale debt investments	0	0
Level 1 \| Corporate debt securities
Assets:
Available-for-sale debt investments	0	0
Level 1 \| U.S. agency mortgage-backed securities
Assets:
Available-for-sale debt investments	0	0
Level 1 \| Commercial paper
Assets:
Available-for-sale debt investments	0	0
Level 1 \| Certificates of deposit
Assets:
Available-for-sale debt investments	0	0
Level 1 \| Money market funds
Assets:
Cash equivalents	3,334	6,496
Other current assets	750	188
Level 1 \| Commercial paper
Assets:
Cash equivalents	0	0
Level 1 \| Certificates of deposit
Assets:
Cash equivalents	0	0
Level 1 \| Corporate debt securities
Assets:
Cash equivalents	0	0
Level 2
Assets:
Marketable equity securities	0	0
Derivative assets	64	32
Total	10,436	16,786
Liabilities:
Derivative liabilities	74	75
Total	74	75
Level 2 \| Money market funds
Assets:
Other assets	0	0
Level 2 \| U.S. government securities
Assets:
Available-for-sale debt investments	2,353	3,526
Level 2 \| U.S. government agency securities
Assets:
Available-for-sale debt investments	221	423
Level 2 \| Non-U.S. government and agency securities
Assets:
Available-for-sale debt investments	371	363
Level 2 \| Corporate debt securities
Assets:
Available-for-sale debt investments	3,677	6,914
Level 2 \| U.S. agency mortgage-backed securities
Assets:
Available-for-sale debt investments	1,781	2,205
Level 2 \| Commercial paper
Assets:
Available-for-sale debt investments	1,023	1,484
Level 2 \| Certificates of deposit
Assets:
Available-for-sale debt investments	439	677
Level 2 \| Money market funds
Assets:
Cash equivalents	0	0
Other current assets	0	0
Level 2 \| Commercial paper
Assets:
Cash equivalents	468	1,090
Level 2 \| Certificates of deposit
Assets:
Cash equivalents	14	47
Level 2 \| Corporate debt securities
Assets:
Cash equivalents	$ 25	$ 25

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes 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 portion of other assets.

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