Leases (Narrative) (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Jan. 28, 2017 |
Jan. 30, 2016 |
Jan. 31, 2015 |
|
| Operating Leased Assets [Line Items] | |||
| Financing Transaction, Gross Proceeds | $ 273 | ||
| Net proceeds from financing obligation | $ 216 | $ 0 | $ 0 |
| Operating leases, description | Almost all leases will expire during the next 20 years; however, most leases will be renewed, primarily through an option exercise, or replaced by leases on other premises. | ||
| Financing Transaction, Payment of Closing Costs | $ 7 | ||
| Financing Transaction, Seller Financing | $ 50 | ||
| Minimum [Member] | |||
| Operating Leased Assets [Line Items] | |||
| Lessee Leasing Arrangements, Operating Leases, Term of Contract | 3 years | ||
| Maximum [Member] | |||
| Operating Leased Assets [Line Items] | |||
| Lessee Leasing Arrangements, Operating Leases, Term of Contract | 20 years | ||
| Maximum [Member] | Data processing equipment and other personal property [Member] | |||
| Operating Leased Assets [Line Items] | |||
| Lessee Leasing Arrangements, Operating Leases, Term of Contract | 5 years | ||