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Convertible Senior Notes, Net (Tables)

6 Months Ended

Jul. 31, 2023

Debt Disclosure [Abstract]

Schedule of Debt

The net carrying amount of the Notes consisted of the following:

			As of July 31, 2023						As of January 31, 2023
			(dollars in millions)
2025 Notes:
Principal			$	552					$	1,060
Less: unamortized debt issuance costs			(3)						(8)
Net carrying amount			$	549					$	1,052
2026 Notes:
Principal			$	908					$	1,150
Less: unamortized debt issuance costs			(6)						(9)
Net carrying amount			$	902					$	1,141

Schedule of Carrying Amounts and Estimated Fair Values of Convertible Note

The following table presents the principal amounts and estimated fair values of the Notes, which are not recorded at fair value on the condensed consolidated balance sheets:

			As of July 31, 2023
			Principal Amount						Estimated Fair Value
			(dollars in millions)
2025 Notes			$	552					$	502
2026 Notes			$	908					$	787

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