Deferred Revenue and Performance Obligations (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue from remaining performance obligations	$ 3,007
Subscription
Revenue from Contract with Customer [Abstract]
Revenue recognized that was included in the contract liability balance	952	$ 495
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue recognized that was included in the contract liability balance	952	495
Professional services and other
Revenue from Contract with Customer [Abstract]
Revenue recognized that was included in the contract liability balance	14	7
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue recognized that was included in the contract liability balance	14	$ 7
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-02-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue from remaining performance obligations	$ 1,684
Remaining performance obligation, percentage	56.00%
Performance obligations expected to be satisfied, expected timing	12 months