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REPOSITIONING AND OTHER CHARGES 4 (Details) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 USD ($) employee | Jun. 30, 2018 USD ($) employee | Jun. 30, 2019 USD ($) employee | Jun. 30, 2018 USD ($) employee
Net Repositioning And Other Charges [Line Items] |  |  |  |
Restructuring and Related Cost, Incurred Cost | $ 84,000,000 | $ 61,000,000 | $ 142,000,000 | $ 146,000,000
Net repositioning and other charges Paragraph Details [Abstract] |  |  |  |
Gross Repositioning Charge | $ 86,000,000 | $ 63,000,000 | $ 146,000,000 | $ 149,000,000
Number of employees severed | employee | 1,266 | 731 | 2,313 | 1,884
Severance |  |  |  |
Net Repositioning And Other Charges [Line Items] |  |  |  |
Restructuring and Related Cost, Incurred Cost | $ 75,000,000 | $ 30,000,000 | $ 106,000,000 | $ 61,000,000
Asset impairments |  |  |  |
Net Repositioning And Other Charges [Line Items] |  |  |  |
Restructuring and Related Cost, Incurred Cost | 0 | 1,000,000 | 11,000,000 | 48,000,000
Exit costs |  |  |  |
Net Repositioning And Other Charges [Line Items] |  |  |  |
Restructuring and Related Cost, Incurred Cost | 11,000,000 | 32,000,000 | 29,000,000 | 40,000,000
Reserve adjustments |  |  |  |
Net Repositioning And Other Charges [Line Items] |  |  |  |
Restructuring and Related Cost, Incurred Cost | $ (2,000,000) | $ (2,000,000) | $ (4,000,000) | $ (3,000,000)

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- Definition Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost. + 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)(1) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(d)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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