Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jan. 24, 2026	Jan. 25, 2025	Jan. 24, 2026	Jan. 25, 2025
Statement of Comprehensive Income [Abstract]
Net income	$ 3,175	$ 2,428	$ 6,035	$ 5,139
Available-for-sale investments:
Change in net unrealized gains and losses, net of tax benefit (expense) of $3 and $(7) for the second quarter and first six months of fiscal 2026, respectively, and $0 and $(17) for the corresponding periods of fiscal 2025, respectively	1	4	39	58
Net (gains) losses reclassified into earnings, net of tax (benefit) expense of $(1) and $(2) for the second quarter and first six months of fiscal 2026, respectively, and $(17) and $(23) for the corresponding periods of fiscal 2025, respectively	3	3	6	22
Total- Available-for-sale investments	4	7	45	80
Cash flow hedging instruments:
Change in unrealized gains and losses, net of tax benefit (expense) of $(8) and $(18) for the second quarter and first six months of fiscal 2026, respectively, and $(13) and $(15) for the corresponding periods of fiscal 2025, respectively	26	43	58	50
Net (gains) losses reclassified into earnings, net of tax (benefit) expense of $3 and $5 for the second quarter and first six months of fiscal 2026, respectively, and $3 and $5 for the corresponding periods of fiscal 2025, respectively	(10)	(12)	(17)	(19)
Total- Cash flow hedging instruments	16	31	41	31
Net change in cumulative translation adjustment and actuarial gains and losses, net of tax benefit (expense) of $0 and $(1) for the second quarter and first six months of fiscal 2026, respectively, and $0 for each of the corresponding periods of fiscal 2025	74	(155)	32	(174)
Other comprehensive income (loss)	94	(117)	118	(63)
Comprehensive income	$ 3,269	$ 2,311	$ 6,153	$ 5,076