Investments - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 28, 2023	Oct. 29, 2022	Jul. 29, 2023
Schedule of Investments [Line Items]
Marketable equity securities	$ 409		$ 431
Unrealized loss	42	$ 20
Net loss on non-marketable equity securities measured using the measurement alternative	0	$ 12
Investments in privately held companies	1,800		1,800
Funding commitments	300
Variable Interest Entity, Not Primary Beneficiary
Schedule of Investments [Line Items]
Investments in privately held companies	900
Private equity funds | Fair value measured at NAV per share
Schedule of Investments [Line Items]
Equity interests held in certain private equity funds	$ 900		$ 900