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Fair Value Measurements - Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis (Details) - USD ($)
$ in Millions
Jul. 31, 2022
Jan. 30, 2022
Fair Value, Assets and Liabilities Measured on a Nonrecurring Basis [Line Items]    
Carrying value of senior notes $ 37,188 $ 35,815
Senior notes | Fair Value measurements nonrecurring | Fair Value (Level 1)    
Fair Value, Assets and Liabilities Measured on a Nonrecurring Basis [Line Items]    
Fair value of senior notes $ 36,858 $ 39,397