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ACCOUNTING POLICIES - DESCRIPTION OF BUSINESS (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Aug. 15, 2020
Aug. 17, 2019
Aug. 15, 2020
Aug. 17, 2019
Feb. 01, 2020
Fiscal Year          
Length of fiscal period 84 days 84 days 196 days 196 days  
Other Assets | Level 1          
FAIR VALUE MEASUREMENTS          
Fair value of equity securities $ 1,493   $ 1,493   $ 776
Other Assets | Level 3          
FAIR VALUE MEASUREMENTS          
Other equity investments of fair value $ 114   $ 114   $ 41