Leases and Other Commitments - Narrative (Details) $ in Millions	12 Months Ended
	Jan. 31, 2025 USD ($)
Other Commitments [Line Items]
Operating lease extension term (some leases)	5 years
Operating lease termination option	1 year
Sublease income, next five years	$ 303
Sublease income, thereafter	29
Operating lease commitment balance, including leases not yet commenced	4,000
Facilities Space
Other Commitments [Line Items]
Operating lease commitment balance, including leases not yet commenced	$ 3,300
Minimum
Other Commitments [Line Items]
Operating lease term	1 year
Maximum
Other Commitments [Line Items]
Operating lease term	15 years