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Debt and Derivative Instruments - Derivative Instruments (Details) - USD ($)
$ in Millions
Jul. 31, 2022
Jan. 30, 2022
Derivative [Line Items]    
Cash collateral received $ 470  
Interest rate swap | Fair value hedging    
Derivative [Line Items]    
Notional amount 5,400 $ 5,400
Fair value agreements 515 191
Interest rate swap | Fair value hedging | Other long-term liabilities    
Derivative [Line Items]    
Fair value agreements 528 249
Interest rate swap | Fair value hedging | Other assets    
Derivative [Line Items]    
Fair value agreements $ 13 $ 58