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ASSETS IMPAIRMENTS AND RESTRUCTURING (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017 | Dec. 31, 2017
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Total | $ 4 | $ 0 | $ 6 | $ 0 |
Restructuring Charge [Roll Forward] |  |  |  |  |
Balance at Beginning of Period |  |  | 29 | 55 | $ 55
Provision / Adjustments |  |  | 6 |  | 8
Restructuring Reserve, Accrual Adjustment |  |  | 0 |  |
Non-cash Reductions |  |  |  |  | 0
Cash Reductions |  |  | (10) |  | (34)
Balance at End of Period | 25 |  | 25 |  | 29
Facility Closing [Member] |  |  |  |  |
Restructuring Charge [Roll Forward] |  |  |  |  |
Balance at Beginning of Period |  |  | 10 | 13 | 13
Provision / Adjustments |  |  | 0 |  | 1
Restructuring Reserve, Accrual Adjustment |  |  | 0 |  | 1
Cash Reductions |  |  | (1) |  | (5)
Balance at End of Period | 9 |  | 9 |  | 10
Employee Severance [Member] |  |  |  |  |
Restructuring Charge [Roll Forward] |  |  |  |  |
Balance at Beginning of Period |  |  | 19 | 42 | 42
Provision / Adjustments |  |  | 6 |  | 6
Restructuring Reserve, Accrual Adjustment |  |  | 0 |  | 0
Cash Reductions |  |  | (9) |  | (29)
Balance at End of Period | $ 16 |  | 16 |  | 19
Non-Cash Charges [Member] |  |  |  |  |
Restructuring Charge [Roll Forward] |  |  |  |  |
Balance at Beginning of Period |  |  | $ 0 | $ 0 | 0
Provision / Adjustments |  |  |  |  | 1
Non-cash Reductions |  |  |  |  | (1)
Cash Reductions |  |  |  |  | 0
Balance at End of Period |  |  |  |  | $ 0

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- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 17 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3367-108585 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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- Definition Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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