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Long-Term Debt - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Oct. 30, 2020
Nov. 01, 2019
Oct. 30, 2020
Nov. 01, 2019
Long-Term Debt        
Loss on extinguishment of debt $ 1,060 $ 0 $ 1,060 $ 0
Repayments of debt     $ 5,582 $ 1,092
2020 Combined Notes        
Long-Term Debt        
Debt instrument, redemption price, percentage     101.00%  
2020 Cash Tender Offer        
Long-Term Debt        
Loss on extinguishment of debt $ 1,100      
Weighted average interest rate 4.80%   4.80%  
Extinguishment of debt $ 3,000