Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Oct. 26, 2024	Oct. 28, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 2,711	$ 3,638
Available-for-sale investments:
Change in net unrealized gains and losses, net of tax benefit (expense) of $(17) and $40 for the first quarter of fiscal 2025 and 2024, respectively	54	(130)
Net (gains) losses reclassified into earnings, net of tax (benefit) expense of $(6) and $(4) for the first quarter of fiscal 2025 and 2024, respectively	19	16
Total- Available-for-sale investments	73	(114)
Cash flow hedging instruments:
Change in unrealized gains and losses, net of tax benefit (expense) of $(2) and $(9) for the first quarter of fiscal 2025 and 2024, respectively	7	29
Net (gains) losses reclassified into earnings, net of tax (benefit) expense of $2 and $3 for the first quarter of fiscal 2025 and 2024, respectively	(7)	(9)
Total- Cash flow hedging instruments	0	20
Net change in cumulative translation adjustment and actuarial gains and losses net, of tax benefit (expense) of $0 and $1 for the first quarter of fiscal 2025 and 2024, respectively	(19)	(356)
Other comprehensive income (loss)	54	(450)
Comprehensive income	$ 2,765	$ 3,188