FAIR VALUE MEASUREMENTS AND INVESTMENTS - Hierarchy for Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions	Aug. 02, 2019	Feb. 01, 2019
Assets:
Equity and other securities	$ 8	$ 334
Derivative instruments	251	97
Total assets	5,091	5,652
Liabilities:
Derivative instruments	36	60
Total liabilities	36	60
Money market funds
Assets:
Cash equivalents	4,832	5,221
Level 1
Assets:
Equity and other securities	8	314
Derivative instruments	0	0
Total assets	4,840	5,535
Liabilities:
Derivative instruments	0	0
Total liabilities	0	0
Level 1 | Money market funds
Assets:
Cash equivalents	4,832	5,221
Level 2
Assets:
Equity and other securities	0	20
Derivative instruments	251	97
Total assets	251	117
Liabilities:
Derivative instruments	36	60
Total liabilities	36	60
Level 2 | Money market funds
Assets:
Cash equivalents	0	0
Level 3
Assets:
Equity and other securities	0	0
Derivative instruments	0	0
Total assets	0	0
Liabilities:
Derivative instruments	0	0
Total liabilities	0	0
Level 3 | Money market funds
Assets:
Cash equivalents	$ 0	$ 0