Cash Equivalents and Marketable Securities - Schedule of Amortized Cost and Estimated Fair Value of Cash Equivalents and Marketable Securities (Details) - USD ($) $ in Millions	Jul. 28, 2024	Jan. 28, 2024
Amortized Cost
Less than one year	$ 15,535	$ 16,336
Due in 1 - 5 years	18,364	9,348
Amortized Cost	33,899	25,684
Estimated Fair Value
Less than one year	15,532	16,329
Due in 1 - 5 years	18,434	9,395
Estimated Fair Value	$ 33,966	$ 25,724