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LEGAL PROCEEDINGS AND CONTINGENCIES LEGAL PROCEEDINGS AND CONTINGENCIES (Details) | 1 Months Ended
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Aug. 31, 2016 Defendants
CNMC |
Loss Contingencies [Line Items] |
Loss Contingency, Number of Defendants | 10

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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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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Number of defendants named in a legal action. + References No definition available. + Details
Name: | us-gaap_LossContingencyNumberOfDefendants
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | srt_LitigationCaseAxis=ups_NationalMarketsandCompetitionCommissionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |