Leases (Rent Expense) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Jan. 31, 2015
Feb. 01, 2014
Feb. 02, 2013
Operating Leases, Rent Expense [Line Items]      
Total rent expense $ 294 $ 307 $ 317
Less: sublease income(1) (13) [1] (16) [1] (16) [1]
Net rent expense 281 291 301
Real property base rent and straight-lined step rent expense [Member]      
Operating Leases, Rent Expense [Line Items]      
Real/personal property, rent expense 233 237 240
Real property contingent rent expense (based on sales) [Member]      
Operating Leases, Rent Expense [Line Items]      
Real property contingent rent expense (based on sales) 8 5 10
Personal property rent expense [Member]      
Operating Leases, Rent Expense [Line Items]      
Real/personal property, rent expense $ 53 $ 65 $ 67
[1] Sublease income is reported in Real estate and other, net.