Income Taxes (Schedule Of Deferred Tax Assets (Liabilities)) (Detail) - USD ($) $ in Millions	Jan. 01, 2016	Jan. 30, 2015	Jul. 31, 2014
Income Tax Disclosure [Abstract]
Accrued vacation and bonuses	$ 45	$ 44
Investments	3	3
Deferred compensation	39	39
Vesting stock awards	21	28
Credits and net operating losses carryovers	15	9
Employee benefit contributions	0	4
Capital loss carryover	91	113
Reserves	31	41
Deferred rent and tenant allowances	14	15
Other	13	15
Total deferred tax assets	272	311	$ 27
Valuation allowance	(102)	(120)
Deferred tax assets, net of valuation allowance	170	191
Deferred revenue	(36)	(47)
Fixed asset basis differences	(1)	0
Purchased intangible assets	(138)	(121)
Partnership interest	(11)	(10)
Employee benefit contributions	(1)	0
Other	(9)	(8)
Total deferred tax liabilities	(196)	(186)
Net deferred tax liabilities	$ (26)
Net deferred tax assets		$ 5