Leases (Tables)

12 Months Ended

Jan. 31, 2014

Leases [Abstract]

Schedule of Rental Expense for Facilities and Equipment

Rental expense for facilities and equipment related to continuing operations for each of the three fiscal years ended January 31, 2014 were as follows:

	Year Ended January 31
	2014			2013			2012
	(in millions)
Gross rental expense	$	181		$	154		$	158
Less sublease income	(6		)	(4		)	(6		)
Net rental expense	$	175		$	150		$	152

Schedule of Future Minimum Lease Commitments and Sublease Receipts under Non-Cancelable Operating Leases

Future minimum lease commitments and lease or sublease receipts under non-cancelable operating leases in effect at January 31, 2014 are as follows:

Year Ending January 31	Operating  lease commitment		Sublease receipts
	(in millions)
2015	$	95	$	7
2016	91		7
2017	76		7
2018	64		5
2019	53		4
2020 and thereafter	109		12
Total	$	488	$	42