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DEBT - Convertible Unsecured Notes Narrative (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Feb. 28, 2022 | Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021
Debt Instrument [Line Items] |  |  |  |  |  |
Principal amount of debt |  | $ 16,221 |  | $ 16,221 |  | $ 15,248
Realized loss on extinguishment of debt |  | 0 | $ 0 | 48 | $ 43 |
2024 Convertible Notes | Convertible Debt |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Principal amount of debt |  | $ 403 |  | $ 403 |  | 403
Stated interest rate |  | 4.625% |  | 4.625% |  |
Repurchase price, percentage of principal amount |  |  |  | 100.00% |  |
Debt issuance costs |  | $ 3 |  | $ 3 |  |
2022 Convertible Notes | Convertible Debt |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Principal amount of debt |  | $ 0 |  | $ 0 |  | $ 388
Stated interest rate | 4.60% |  |  |  |  |
Repayment of debt | $ 388 |  |  |  |  |
Realized loss on extinguishment of debt | $ 48 |  |  |  |  |

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