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INFORMATION ABOUT COMPONENTS OF UNAUDITED INTERIM CONDENSED CONSOLIDATED STATEMENTS OF FINANCIAL POSITION - Secured Notes (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
Aug. 08, 2022
Aug. 05, 2022
Mar. 16, 2022
Secured Guaranteed Notes      
Borrowings:      
Percentage of debt converted to shares   25.00% 75.00%
Number of shares issued on conversion of debt   1.5  
Repurchase value of shares on issue of notes   $ 24  
Secured Guaranteed Notes due 2026      
Borrowings:      
Maturity term   48 months  
Secured Guaranteed Notes due 2026 | 24 Months      
Borrowings:      
Interest rate   9.00%  
Secured Guaranteed Notes due 2026 | 25 through 36 months      
Borrowings:      
Interest rate   13.00%  
Secured Guaranteed Notes due 2026 | 27 through 48 months      
Borrowings:      
Interest rate   14.00%  
Secured Convertible Guaranteed Notes      
Borrowings:      
Maturity term 4 years    
Interest rate 9.00%    
Notional amount $ 55    
Interest payable in cash (as a percent) 5.00%    
Interest payable in kind (as a percent) 4.00%    
Strike price $ 18    
Voluntary repurchase of notes after the issue date 30 months    
Discount rate for fair value of the liability component 13.57%