Quarterly report pursuant to Section 13 or 15(d)

Financing Activities (Narrative) (Details)

v3.21.2
Financing Activities (Narrative) (Details) - USD ($)
3 Months Ended 6 Months Ended
Aug. 17, 2021
Mar. 17, 2021
Oct. 30, 2021
Jul. 31, 2021
May 01, 2021
Aug. 01, 2020
Jul. 31, 2021
Aug. 01, 2020
Gains (losses) on retirement of debt       $ (3,000,000) $ (11,000,000) $ 0 $ (14,000,000) $ 0
Extinguishment of debt   $ 500,000,000            
Debt Instrument, Repurchase Amount   $ 17,000,000            
Secured Debt, Current [Member]                
Face amount       $ 1,300,000,000     $ 1,300,000,000  
5.875% Senior Notes due 2029 [Member]                
Debt instrument interest rate, stated percentage   5.875%            
Face amount   $ 500,000,000            
Debt instrument, maturity date   Apr. 01, 2029            
Forecast [Member]                
Gains (losses) on retirement of debt     $ 185,000,000          
Subsequent Event [Member] | 8.375% Senior secured notes due 2025 [Member]                
Debt instrument, redeemed in principal amount $ 1,300,000,000              
Debt instrument interest rate, stated percentage 8.375%              
Debt instrument, redemption price, percentage of principal amount redeemed 100.00%              
Debt instrument, accrued and unpaid interest $ 19,000,000              
Gain (loss) on early redemption of debt before write off 138,000,000              
Unamortized deferred debt costs $ 47,000,000