LEASE OBLIGATIONS - Other information (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
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| Leases [Abstract] | Ìý | Ìý | Ìý |
| Operating leases within cash flows from operating activities | $ 70 | $ 43 | Ìý |
| Finance leases within cash flows from operating activities | 9 | 4 | Ìý |
| Finance leases within cash flows from financing activities | 94 | 15 | Ìý |
| Right-of-use assets obtained in exchange for new finance lease liabilities | $ 50 | $ 44 | $ 29 |
| Weighted-average remaining lease term - operating leases (in years) | 8 years | 8 years | Ìý |
| Weighted-average remaining lease term - finance leases (in years) | 5 years | 5 years | Ìý |
| Weighted-average discount rate - operating leases | 7.00% | 8.00% | Ìý |
| Weighted-average discount rate - finance leases | 4.00% | 4.00% | Ìý |
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- Definition Amount of interest paid on finance lease liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash outflow for principal payment on finance lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average discount rate for finance lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average discount rate for operating lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase in right-of-use asset obtained in exchange for finance lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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