FAIR VALUE MEASUREMENTS AND INVESTMENTS - Hierarchy for Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions	Jan. 29, 2021	Jan. 31, 2020
Assets:
Equity and other securities	$ 449	$ 12
Derivative instruments	104	81
Total assets	9,399	4,714
Liabilities:
Derivative instruments	133	68
Total liabilities	133	68
Money market funds
Assets:
Cash equivalents	8,846	4,621
Level 1
Assets:
Equity and other securities	449	12
Derivative instruments	0	0
Total assets	9,295	4,633
Liabilities:
Derivative instruments	0	0
Total liabilities	0	0
Level 1 | Money market funds
Assets:
Cash equivalents	8,846	4,621
Level 2
Assets:
Equity and other securities	0	0
Derivative instruments	104	81
Total assets	104	81
Liabilities:
Derivative instruments	133	68
Total liabilities	133	68
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