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Shareholders' Equity and Convertible Preferred Stock - Convertible Preferred Stock (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 12 Months Ended
Jan. 31, 2023
Sep. 29, 2023
Jun. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Convertible preferred stock, shares authorized (in shares)   5,000,000 5,000,000
Convertible preferred stock, par value (in dollars per share)   $ 0.01 $ 0.01
Convertible preferred stock, liquidation preference   $ 939 $ 924
Series A Preferred Stock | Private Placement      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Convertible preferred stock, shares authorized (in shares) 900,000    
Convertible preferred stock, par value (in dollars per share) $ 0.01    
Convertible Preferred Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Cumulative dividends   39 24
Unpaid dividends   $ 39 $ 24
Convertible shares issued (in shares)   20,000,000 20,000,000
Convertible preferred stock, liquidation preference   $ 939 $ 924
Convertible Preferred Stock | Private Placement      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Convertible preferred stock, shares authorized (in shares) 5,000,000    
Aggregate purchase price $ 900    
Issuance costs $ 24    
Preferred dividend annual rate increasing per annum (as percent) 6.25%    
Convertible Preferred Stock | Private Placement | January 31, 2030      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Preferred dividend annual rate increasing per annum (as percent) 7.25%    
Convertible Preferred Stock | Private Placement | January 31, 2033      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Preferred dividend annual rate increasing per annum (as percent) 8.25%