Debt (Table)

9 Months Ended

Oct. 29, 2017

Debt Disclosure [Abstract]

Convertible Debt

The following table presents the carrying value of the Convertible Notes:

	October 29,			January 29,
	2017			2017
	(In millions)
1.00% Convertible Senior Notes	$	24		$	827
Unamortized debt discount (1)	(1		)	(31		)
Net carrying amount	$	23		$	796

(1) As of October 29, 2017, the remaining period over which the unamortized debt discount will be amortized is 1.1 years.

The following table presents interest expense for the contractual interest and the accretion of debt discount and issuance costs related to the Convertible Notes:

	Three Months Ended				Nine Months Ended
	October 29,		October 30,		October 29,		October 30,
	2017		2016		2017		2016
	(In millions)
Contractual coupon interest expense	$	—	$	3	$	—	$	10
Amortization of debt discount	—		5		2		20
Total interest expense related to Convertible Notes	$	—	$	8	$	2	$	30

Long-term Debt

	Expected Remaining Term (years)	Effective Interest Rate	October 29, 2017			January 29, 2017
			(In millions)
2.20% Notes Due 2021	3.9	2.38%	$	1,000		$	1,000
3.20% Notes Due 2026	8.9	3.31%	1,000			1,000
Unamortized debt discount and issuance costs			(15		)	(17		)
Net carrying amount			$	1,985		$	1,983