Commitment and Contingencies - Narrative (Details) - USD ($)	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Other Commitments [Line Items]
Payment for other commitment	$ 3,027,103,000
Purchase obligation, to be paid, year one	388,539,000
Purchase obligation, to be paid, year two	499,406,000
Purchase obligation, to be paid, year three	931,199,000
Purchase obligation, to be paid, year four	556,178,000
Purchase obligation, to be paid, year five	651,781,000
Cost of matching contributions	0	$ 0	$ 0
Letters of credit outstanding	16,800,000
Third-Party Cloud Infrastructure Agreements and Subscription Arrangements, Spending Commitments Between February 2023 and January 2028
Other Commitments [Line Items]
Payment for other commitment	2,500,000,000
Purchase obligation, to be paid, year one	350,000,000
Purchase obligation, to be paid, year two	450,000,000
Purchase obligation, to be paid, year three	500,000,000
Purchase obligation, to be paid, year four	550,000,000
Purchase obligation, to be paid, year five	650,000,000
Third-Party Cloud Infrastructure Agreements and Subscription Arrangements, Spending Commitments Between August 2020 and July 2025
Other Commitments [Line Items]
Purchase obligation, no longer expected to be paid	$ 732,000,000