Stock-Based Compensation (Tables)

9 Months Ended

Oct. 31, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Stock-Based Compensation Expenses

Total stock-based compensation expense and related tax benefits recognized for the periods presented was as follows:

	Three Months Ended				Nine Months Ended
	October 31, 2014		November 1, 2013		October 31, 2014		November 1, 2013
	(in millions)
Stock-based compensation expense:
Stock options	$	1	$	4	$	4	$	9
Vesting stock awards	9		10		27		35
Vested stock awards	—		—		2		—
Total stock-based compensation expense recorded in continuing operations	$	10	$	14	$	33	$	44
Total stock-based compensation expense recorded in discontinued operations	$	—	$	6	$	—	$	21
Tax benefits recognized from stock-based compensation	$	4	$	5	$	13	$	17

Schedule of Weighted Average Grant-Date Fair Value and Assumptions Used

The fair value of the Company’s stock option awards is estimated on the date of grant using the Black-Scholes option-pricing model. The weighted average grant date fair value and assumptions used to determine the fair value of stock options granted for the periods presented were as follows:

	Nine Months Ended
	October 31, 2014			October 2013 Grants			2013 Grants Before Spin
Options granted (in millions)	0.6			0.1			1.4			*
Weighted average grant-date fair value	$	6.14		$	9.48		$	6.96		*
Expected term (in years)	4.7			5.0			5.0
Expected volatility	25.1		%	30.0		%	25.0		%
Risk-free interest rate	1.6		%	1.4		%	0.8		%
Dividend yield	2.9		%	2.8		%	3.8		%

*Adjusted for additional awards granted for the $4.00 special cash dividend