FAIR VALUE MEASUREMENTS AND INVESTMENTS - Hierarchy for Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions	Oct. 30, 2020	Jan. 31, 2020
Assets:
Equity and other securities	$ 553	$ 12
Derivative instruments	52	81
Total assets	7,167	4,714
Liabilities:
Derivative instruments	181	68
Total liabilities	181	68
Money market funds
Assets:
Cash and cash equivalents	6,562	4,621
Level 1
Assets:
Equity and other securities	553	12
Derivative instruments	0	0
Total assets	7,115	4,633
Liabilities:
Derivative instruments	0	0
Total liabilities	0	0
Level 1 | Money market funds
Assets:
Cash and cash equivalents	6,562	4,621
Level 2
Assets:
Equity and other securities	0	0
Derivative instruments	52	81
Total assets	52	81
Liabilities:
Derivative instruments	181	68
Total liabilities	181	68
Level 2 | Money market funds
Assets:
Cash and 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 and cash equivalents	$ 0	$ 0