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REVENUE RECOGNITION AND RECEIVABLES - Remaining Performance Obligations - (Details) - USD ($) $ in Millions | 6 Months Ended |
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Jun. 30, 2020 | Dec. 31, 2019
Revenue Recognition |  |
Transaction price allocated to unsatisfied performance obligations |  | $ 241
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-07-01 |  |
Revenue Recognition |  |
Transaction price allocated to unsatisfied performance obligations | $ 232 |
Period to satisfy the remaining performance obligations and recognize the transaction price | 24 months |
Right to invoice and wholly unsatisfied performance obligation practical expedients | true |

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- Definition Indicates (true false) whether practical expedient was elected not to disclose amount of transaction price allocated to remaining performance obligation and explanation of expected timing of revenue recognition for reporting period presented prior to date of initial application under retrospective method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 65 -Paragraph 1 -Subparagraph (f)(3) -URI http://asc.fasb.org/extlink&oid=113356391&loc=SL49131195-203048 + Details
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- Definition Amount of transaction price allocated to performance obligation that has not been recognized as revenue. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130556-203045 + Details
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- Definition Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130556-203045 + Details
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