FAIR VALUES OF ASSETS AND LIABILITIES - Fair Value Option-Changes in Fair Value (Details) - USD ($) $ in Millions |
3 Months Ended | |
---|---|---|
Mar. 31, 2022 |
Mar. 31, 2021 |
|
Fair Value, Measurements, Recurring | ||
Fair Value, Option, Quantitative Disclosures [Line Items] | ||
Net gains (losses) from fair value changes | $ (44) | $ (34) |
Fair Value Measured On Recurring Basis Automobile Loan | Fair Value, Measurements, Recurring | ||
Fair Value, Option, Quantitative Disclosures [Line Items] | ||
Net gains (losses) from fair value changes | $ 1 | $ 0 |