Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Oct. 29, 2022	Oct. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 2,670	$ 2,980
Available-for-sale investments:
Change in net unrealized gains and losses, net of tax benefit (expense) of $78 and $28 for the first quarter of fiscal 2023 and 2022, respectively	(251)	(83)
Net (gains) losses reclassified into earnings, net of tax (benefit) expense of $(1) and $2 for the first quarter of fiscal 2023 and 2022, respectively	5	(4)
Total- Available-for-sale investments	(246)	(87)
Cash flow hedging instruments:
Change in unrealized gains and losses, net of tax benefit (expense) of $(8) and $(1) for the first quarter of fiscal 2023 and 2022, respectively	24	7
Net (gains) losses reclassified into earnings, net of tax (benefit) expense of $5 and $0 for the first quarter of fiscal 2023 and 2022, respectively	(14)	(1)
Total- Cash flow hedging instruments	10	6
Net change in cumulative translation adjustment and actuarial gains and losses net of tax benefit (expense) of $22 and $9 for the first quarter of fiscal 2023 and 2022, respectively	(260)	25
Other comprehensive income (loss)	(496)	(56)
Comprehensive income	$ 2,174	$ 2,924