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FAIR VALUE OF FINANCIAL INSTRUMENTS - Level 3 Financial Assets and Liabilities (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure of detailed information about financial instruments [line items] |  |  |
Financial assets | $ 44,558 | $ 41,335 |
Financial liabilities | 227,064 | 197,540 |
Level 3 |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Financial assets | 2,232 | 2,369 |
Financial liabilities | 2,714 | 2,104 |
Level 3 | At fair value |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Financial assets | 2,232 | 2,369 | $ 1,780
Financial liabilities | 2,714 | 2,104 | $ 2,542
Gains (losses) recognised in profit or loss including exchange differences, fair value measurement, assets | 160 | (92) |
Gains (losses) recognised in profit or loss including exchange differences, fair value measurement, liabilities | 96 | (111) |
Gains (losses) recognised in other comprehensive income including exchange differences, fair value measurement, assets | (8) | 15 |
Gains (losses) recognised in other comprehensive income including exchange differences, fair value measurement, liabilities | 94 | 4 |
Disposals, net of additions | (289) | 666 |
Disposals, net of additions | $ 420 | $ (331) |

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