Debt (Tables)

12 Months Ended

Jan. 31, 2020

Debt Disclosure [Abstract]

Schedule of Long-term Debt

The carrying values of the Company's borrowings were as follows (in millions):

Instrument	Date of issuance	Maturity date	Effective interest rate for fiscal 2020	January 31, 2020		January 31, 2019
2021 Term Loan (1)	May 2018	May 2021	3.07%	$	0	$	499
2023 Senior Notes	April 2018	April 2023	3.26%	995		993
2028 Senior Notes	April 2018	April 2028	3.70%	1,489		1,488
Loan assumed on 50 Fremont	February 2015	June 2023	3.75%	193		196
Total carrying value of debt				2,677		3,176
Less current portion of debt				(4)		(3)
Total noncurrent debt				$	2,673	$	3,173

(1) The Company repaid in full the 2021 Term Loan in fiscal 2020.

Schedule of Maturities of Long-term Debt

The expected future principal payments for all borrowings as of January 31, 2020 is as follows (in millions):

Fiscal period:
Fiscal 2021	$	4
Fiscal 2022	4
Fiscal 2023	4
Fiscal 2024	1,182
Thereafter	1,500
Total principal outstanding	$	2,694

Schedule of Interest Expense

The following table sets forth total interest expense recognized related to debt (in millions):

	Fiscal Year Ended January 31,
	2020		2019		2018
Contractual interest expense	$	106	$	106	$	23
Amortization of debt issuance costs	4		16		5
Amortization of debt discount	0		4		26
	$	110	$	126	$	54