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INVESTMENTS IN SUBSIDIARIES - Summarized statement of cash flows (Details) - KaR-Tel - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Investments in subsidiaries      
Net operating cash flows $ 338 $ 308 $ 243
Net investing cash flows (112) (117) (127)
Net financing cash flows (236) (166) (117)
Net foreign exchange difference (8) 0 (3)
Net (decrease) / increase in cash equivalents $ (18) $ 25 $ (4)