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INVESTMENTS, DEBT AND DERIVATIVES - Investments and derivatives (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
FINANCIAL ASSETS    
Total investments and derivatives $ 422 $ 486
Non-current 65 53
Current 357 433
At fair value    
FINANCIAL ASSETS    
Total investments and derivatives 30 41
At fair value | Other investments    
FINANCIAL ASSETS    
Total investments and derivatives 30 41
At amortized cost    
FINANCIAL ASSETS    
Total investments and derivatives 392 445
At amortized cost | Security deposits and cash collateral    
FINANCIAL ASSETS    
Total investments and derivatives 117 103
At amortized cost | Bank deposits    
FINANCIAL ASSETS    
Total investments and derivatives 2 3
At amortized cost | Other investments    
FINANCIAL ASSETS    
Total investments and derivatives $ 273 $ 339