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DISCONTINUED OPERATION- Cash flow items (Details) - Spinoff - VMware, Inc.
$ in Millions
3 Months Ended
Apr. 30, 2021
USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]  
Depreciation and amortization $ 333
Capital expenditures 70
Stock-based compensation expense $ 263