Summary of Significant Accounting Policies (Schedule of Supplementary Cash Flow Information) (Detail) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Nov. 01, 2013	Oct. 31, 2012
Accounting Policies [Abstract]
Vested stock issued as settlement of annual bonus accruals	$ 2	$ 2
Stock issued in lieu of cash dividend	17	2
Fair value of assets acquired in acquisitions (See Note 3 - Acquisitions)	259	541
Less: cash paid in acquisitions, net of cash acquired of $9 million in fiscal 2013	(1)	(478)
Forgiveness of accounts receivable to acquire equity interest in business combination	(105)	0
Liabilities assumed in acquisitions, including accrued acquisition payments	(148)	63
Accrued liability for acquisition of business	(5)	0
Cash paid for interest (including discontinued operations)	37	53
Cash paid for income taxes (including discontinued operations)	$ 62	$ 126