v3.22.2.2
Leases - Narrative (Details) - USD ($)
3 Months Ended 9 Months Ended
Oct. 31, 2022
Oct. 31, 2021
Oct. 31, 2022
Oct. 31, 2021
Jan. 31, 2022
Lessee, Lease, Description [Line Items]          
Weighted average remaining lease term 6 years 6 months   6 years 6 months   6 years 10 months 24 days
Weighted average discount rate 2.59%   2.59%   2.46%
Public income remaining lease term     9 years 6 months    
Sublease income $ 2,000,000   $ 3,000,000    
Sublease income payments     79,000,000    
Sublease income payments, expect to receive, remaining fiscal 2023 through fiscal 2027 32,000,000   32,000,000    
Sublease income payments, expect to receive, thereafter 47,000,000   47,000,000    
Facility Closure          
Lessee, Lease, Description [Line Items]          
Asset impairment charges $ 10,000,000 $ 0 $ 17,000,000 $ 0  
Minimum          
Lessee, Lease, Description [Line Items]          
Operating lease remaining lease term 1 year   1 year    
Lease renewal term 1 year   1 year    
Optional termination period 1 year   1 year    
Maximum          
Lessee, Lease, Description [Line Items]          
Operating lease remaining lease term 67 years   67 years    
Lease renewal term 10 years   10 years    
Optional termination period 7 years   7 years