XML 20 R93.htm IDEA: XBRL DOCUMENT v3.20.1
Leases Assets and Liabilities, Leases (Details) - USD ($)
$ in Millions
Jan. 31, 2020
Feb. 02, 2019
Feb. 01, 2019
Leases [Abstract]      
Operating lease right of use assets $ 190 $ 169 $ 0
Operating Lease, Liability, Current 34    
Operating Lease, Liability, Noncurrent 172 140 $ 0
Operating Lease, Liability $ 206 $ 184