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BUSINESS COMBINATIONS, GOODWILL AND INTANGIBLE ASSETS - Amortization Expense (Details) - USD ($)
$ in Millions
May 01, 2020
Jan. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]    
2021 (remaining nine months) $ 2,521  
2022 2,665  
2023 1,788  
2024 1,426  
2025 1,091  
Thereafter 3,581  
Total $ 13,072 $ 14,352