SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($) |
3 Months Ended | ||
|---|---|---|---|
Mar. 31, 2022 |
Mar. 31, 2021 |
Dec. 31, 2021 |
|
| Cash and Cash Equivalents [Line Items] | |||
| Restricted cash | $ 539,000,000 | $ 290,000,000 | |
| Allowance for credit loss | 0 | 0 | |
| Inventory write-downs and losses on firm purchase commitments | 188,000,000 | $ 0 | |
| Inventory, raw materials, net of reserves | 344,000,000 | 236,000,000 | |
| Fair Value, Inputs, Level 1 | Fair Value, Recurring | |||
| Cash and Cash Equivalents [Line Items] | |||
| Cash and cash equivalents, fair value disclosure | 16,432,000,000 | 18,133,000,000 | |
| Money market funds | Fair Value, Inputs, Level 1 | Fair Value, Recurring | |||
| Cash and Cash Equivalents [Line Items] | |||
| Cash and cash equivalents, fair value disclosure | $ 10,324,000,000 | 11,827,000,000 | |
| Money market funds | Fair Value, Inputs, Level 1 | Fair Value, Recurring | Revision of Prior Period, Adjustment | |||
| Cash and Cash Equivalents [Line Items] | |||
| Cash and cash equivalents, fair value disclosure | $ (1,221,000,000) | ||