Convertible Senior Notes, Net - Schedule of Debt (Details) - Senior Notes - USD ($) $ in Millions	Apr. 30, 2023	Jan. 31, 2023
2025 Notes
Debt Instrument [Line Items]
Principal	$ 694	$ 1,060
Less: unamortized debt issuance costs	(5)	(8)
Net carrying amount	689	1,052
2026 Notes
Debt Instrument [Line Items]
Principal	1,150	1,150
Less: unamortized debt issuance costs	(8)	(9)
Net carrying amount	$ 1,142	$ 1,141

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Balance Type:	credit
Period Type:	instant