Income Taxes - Components of Income Tax Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 25, 2026	Jan. 26, 2025	Jan. 28, 2024
Current income taxes:
Federal	$ 19,039	$ 14,032	$ 5,710
State	1,218	892	335
Foreign	2,550	699	502
Total current	22,807	15,623	6,547
Deferred income taxes:
Federal	(1,364)	(4,515)	(2,499)
State	(885)	(242)	(206)
Foreign	825	280	216
Total deferred	(1,424)	(4,477)	(2,489)
Income tax expense	21,383	11,146	4,058
Income before Income Taxes
U.S.	123,181	77,456	29,495
Foreign	18,269	6,570	4,323
Income before income tax	$ 141,450	$ 84,026	$ 33,818