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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS -Schedule of Equity Investments (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Equity investments with readily determined fair values        
Net loss/(gain) recognized $ 254 $ 81 $ 852 $ (115)
Net (gain)/loss recognized on investments sold (16) (1) (16) 2
Net unrealized loss/(gain) recognized on investments still held 270 82 868 (117)
Equity investments without readily determinable fair values        
Upward adjustments 0 (192) (6) (461)
Impairments and downward adjustments 0 0 2 1
Cumulative upward adjustments (109)   (109)  
Cumulative impairments and downward adjustments 52   52  
Equity in net (income)/loss of affiliates $ 54 $ (37) $ 104 $ (174)