Restructuring and Other Charges - Summary of Restructuring and Other Charges (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2024
Restructuring and Related Activities [Abstract]
Severance and termination benefit costs	$ 4	$ 11	$ 28
Lease impairment charges	0	0	28
Total	$ 4	$ 11	$ 56

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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