SCHEDULE II: VALUATION AND QUALIFYING ACCOUNTS (Details) - Partner Program reserves - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at the Beginning of Year	$ 90	$ 64	$ 64
Additions Charged to Costs and Expenses or Revenues	1,071	928	623
Deductions	1,058	902	623
Balance at End of Year	$ 103	$ 90	$ 64