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REPOSITIONING AND OTHER CHARGES 4 (Details) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2020 USD ($) employee | Mar. 31, 2019 USD ($) employee
Net Repositioning And Other Charges [Line Items] |  |
Restructuring and Related Cost, Incurred Cost | $ 70 | $ 58
Net repositioning and other charges Paragraph Details [Abstract] |  |
Gross Repositioning Charge | $ 83 | $ 60
Number of employees severed | employee | 2,124 | 1,047
Severance |  |
Net Repositioning And Other Charges [Line Items] |  |
Restructuring and Related Cost, Incurred Cost | $ 66 | $ 31
Asset impairments |  |
Net Repositioning And Other Charges [Line Items] |  |
Restructuring and Related Cost, Incurred Cost | 2 | 11
Exit costs |  |
Net Repositioning And Other Charges [Line Items] |  |
Restructuring and Related Cost, Incurred Cost | 15 | 18
Reserve adjustments |  |
Net Repositioning And Other Charges [Line Items] |  |
Restructuring and Related Cost, Incurred Cost | $ (13) | $ (2)

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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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