Leases - Narrative (Details)	3 Months Ended
	Apr. 30, 2025 USD ($)
Lessee, Lease, Description [Line Items]
Lease-related asset impairments	$ 9,000,000
Sublease income payments	62,000,000
Sublease income payments, expect to receive, for fiscal 2026 through fiscal 2030	41,000,000
Sublease income payments, expect to receive, thereafter	21,000,000
Operating Lease, Lease Not yet Commenced
Lessee, Lease, Description [Line Items]
Aggregate purchase commitments	$ 0
Minimum
Lessee, Lease, Description [Line Items]
Operating lease remaining lease term	1 year
Lease renewal term	1 year
Optional termination period	1 year
Maximum
Lessee, Lease, Description [Line Items]
Operating lease remaining lease term	65 years
Lease renewal term	7 years
Optional termination period	5 years