Taxes - Schedule of Income Before Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
Income Tax Disclosure [Abstract]
U.S.	$ 20,092	$ 15,089	$ 15,536
Non-U.S.	1,756	1,927	3,160
Income before income taxes	$ 21,848	$ 17,016	$ 18,696