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LEASES AND OTHER COMMITMENTS (Tables) | 6 Months Ended
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Jun. 30, 2021
Commitments and Contingencies Disclosure [Abstract] |
Lessee, Operating Lease, Liability, Maturity [Table Text Block] | As of June 30, 2021, reconciliation of lease payments and operating lease liabilities is provided below:
(Dollars in millions) |  | Operating lease liabilities
Remainder of 2021 |  | $ | 31 |
2022 |  | 48 |
2023 |  | 34 |
2024 |  | 20 |
2025 |  | 13 |
2026 and beyond |  | 31 |
Total lease payments |  | 177 |
Less: amounts of lease payments representing interest |  | 16 |
Present value of future lease payments |  | 161 |
Less: current obligations under leases |  | 53 |
Long-term lease obligations |  | $ | 108 |
Lease, Cost [Table Text Block] | Lease costs during the period and other information is provided below:
|  | Second Quarter |  | First Six Months
(Dollars in millions) | 2021 |  | 2020 |  | 2021 |  | 2020
Lease costs: |  |  |  |  |  |  |
| Operating lease costs | $ | 18 |  |  | $ | 18 |  | $ | 36 |  |  | $ | 37
| Short-term lease costs | 11 |  |  | 10 |  | 19 |  |  | 19
| Sublease income | (1) |  |  | (1) |  | (2) |  |  | (2)
| Total | $ | 28 |  |  | $ | 27 |  | $ | 53 |  |  | $ | 54
Other operating lease information: |  |  |  |  |  |  |
| Cash paid for amounts included in the measurement of lease liabilities | $ | 18 |  |  | $ | 18 |  | $ | 35 |  |  | $ | 36
| Right-to-use assets obtained in exchange for new lease liabilities | $ | 26 |  |  | $ | 14 |  | $ | 34 |  |  | $ | 30
| Weighted-average remaining lease term, in years |  |  |  |  | 5 |  | 5
| Weighted-average discount rate |  |  |  |  | 3.5 | % |  | 3.9 | %

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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980 + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980 + Details
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