Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jan. 28, 2023	Jan. 29, 2022	Jan. 28, 2023	Jan. 29, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 2,773	$ 2,973	$ 5,443	$ 5,953
Available-for-sale investments:
Change in net unrealized gains and losses, net of tax benefit (expense) of $(66) and $12 for the second quarter and first six months of fiscal 2023, respectively, and $47 and $75 for the corresponding periods of fiscal 2022, respectively	187	(138)	(64)	(221)
Net (gains) losses reclassified into earnings, net of tax (benefit) expense of $0 and $(1) for the second quarter and first six months of fiscal 2023, respectively, and $3 and $5 for the corresponding periods of fiscal 2022, respectively	3	(7)	8	(11)
Total- Available-for-sale investments	190	(145)	(56)	(232)
Cash flow hedging instruments:
Change in unrealized gains and losses, net of tax benefit (expense) of $11 and $3 for the second quarter and first six months of fiscal 2023, respectively, and $(3) and $(4) for the corresponding periods of fiscal 2022, respectively	(33)	7	(9)	14
Net (gains) losses reclassified into earnings, net of tax (benefit) expense of $4 and $9 for the second quarter and first six months of fiscal 2023, respectively, and $1 for each of the corresponding periods of fiscal 2022	(14)	(1)	(28)	(2)
Total- Cash flow hedging instruments	(47)	6	(37)	12
Net change in cumulative translation adjustment and actuarial gains and losses net of tax benefit (expense) of $2 and $24 for the second quarter and first six months of fiscal 2023, respectively, and $0 and $9 for the corresponding periods of fiscal 2022, respectively	389	(177)	129	(152)
Other comprehensive income (loss)	532	(316)	36	(372)
Comprehensive income	$ 3,305	$ 2,657	$ 5,479	$ 5,581