XML 121 R100.htm IDEA: XBRL DOCUMENT v3.25.0.1
Financial assets and liabilities - Movement in net debt (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Financial assets and liabilities    
Net (increase)/decrease in cash, cash equivalents and restricted cash per consolidated statement of cash flows $ (167) $ 112
Increase in net borrowings and derivative financial instruments 160 163
(Decrease)/increase in net debt (7) 275
Net debt at January 1, 3,312 3,037
Net debt at December 31, $ 3,305 $ 3,312