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Fair Value Disclosures (Tables)
 6 Months Ended
Aug. 01, 2020
Fair Value Disclosures [Abstract]  
Financial Instruments Not Carried at Fair Value, Carrying Value and Fair Value
Carrying values and fair values of financial instruments that are not carried at fair value in the unaudited Interim Consolidated Balance Sheets are as follows: 
 August 1, 2020August 3, 2019February 1, 2020
($ in millions)Carrying
Amount		Fair
Value		Carrying
Amount		Fair
Value		Carrying
Amount		Fair
Value
Total debt, excluding unamortized debt issuance costs$5,393 $2,721 $3,829 $2,373 $3,758 $2,464