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DERIVATIVE FINANCIAL INSTRUMENTS - Change in Fair Values of Derivative Instruments (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Disclosure of detailed information about hedging instruments [line items] |  |
Unrealized Gains on Derivative Financial Assets | $ 599 |
Unrealized Losses on Derivative Financial Liabilities | (244) |
Net change | 355 | $ (403)
Foreign exchange contracts |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Unrealized Gains on Derivative Financial Assets | 145 |
Unrealized Losses on Derivative Financial Liabilities | (45) |
Net change | 100 | (213)
Interest rates swaps and other |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Unrealized Gains on Derivative Financial Assets | 454 |
Unrealized Losses on Derivative Financial Liabilities | (156) |
Net change | 298 | (173)
Commodity contracts |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Unrealized Gains on Derivative Financial Assets | 0 |
Unrealized Losses on Derivative Financial Liabilities | (43) |
Net change | $ (43) | $ (17)

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