Leases - Right of Use Assets and Lease Liabilities (Details) - USD ($) $ in Millions	May 04, 2019	Feb. 02, 2019	May 05, 2018
Lease Assets [Abstract]
Finance Lease, Right-of-Use Asset	$ 11
Operating Lease, Right-of-Use Asset	2,620
Right of Use Assets	2,631	$ 0	$ 0
Lease Liabilities, Current [Abstract]
Finance Lease, Liability, Current	1
Operating Lease, Liability, Current	362
Lease Liabilities, Noncurrent [Abstract]
Finance Lease, Liability, Noncurrent	25
Operating Lease, Liability, Noncurrent	2,798
Total Lease Liability	3,186
Accumulated Amortization, Finance Leases	$ 12