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MULTIEMPLOYER EMPLOYEE BENEFIT PLANS - Multi-Employer Health and Welfare Plans (Detail) - Health and Welfare Fund - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | $ 3,972 | $ 3,761 | $ 3,486
Bay Area Delivery Drivers |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 37 | 35 | 34
Central Pennsylvania Teamsters Health & Pension Fund |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 27 | 25 | 23
Central States, South East & South West Areas Health and Welfare Fund |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 2,366 | 2,268 | 2,081
Teamsters Western Region & Local One Seventy Seven Health Care Plan [Member] |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 605 | 571 | 515
Health & Welfare Insurance Fund Teamsters Local Six Fifty Three [Member] |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 7 | 6 | 6
Delta Health Systems—East Bay Drayage Drivers |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 29 | 27 | 27
Employer—Teamster Local Nos. 175 & 505 |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 11 | 11 | 10
Joint Council 83 Health & Welfare Fund |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 37 | 33 | 28
Local 191 Teamsters Health Fund |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 13 | 12 | 11
Local 401 Teamsters Health & Welfare Fund |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 9 | 8 | 7
Local 804 Welfare Trust Fund |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 84 | 79 | 75
Milwaukee Drivers Pension Trust Fund—Milwaukee Drivers Health and Welfare Trust Fund |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 38 | 36 | 34
Montana Teamster Employers Trust |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 8 | 8 | 7
New York State Teamsters Health & Hospital Fund |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 59 | 56 | 53
North Coast Benefit Trust |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 11 | 8 | 8
Northern California General Teamsters (DELTA) |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 132 | 116 | 108
Northern New England Benefit Trust |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 50 | 47 | 42
Oregon / Teamster Employers Trust |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 38 | 34 | 31
Teamsters 170 Health & Welfare Fund |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 17 | 16 | 15
Teamsters Benefit Trust |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 46 | 43 | 36
Teamsters Local 251 Health & Insurance Plan |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 15 | 14 | 13
Teamsters Local 404 Health & Insurance Plan |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 8 | 7 | 7
Teamsters Local 638 Health Fund |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 43 | 40 | 39
Teamsters Local 639—Employers Health & Pension Trust Funds |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 27 | 27 | 26
Teamsters Local 671 Health Services & Insurance Plan |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 17 | 17 | 15
Teamsters Union 25 Health Services & Insurance Plan |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 52 | 50 | 46
Teamsters Union Local 677 Health Services & Insurance Plan |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 11 | 10 | 10
Truck Drivers and Helpers Local 355 Baltimore Area Health & Welfare Fund |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 16 | 16 | 15
Utah-Idaho Teamsters Security Fund |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 29 | 26 | 25
Washington Teamsters Welfare Trust |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 52 | 47 | 44
All Other Multiemployer Health and Welfare Plans |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | $ 78 | $ 68 | $ 95

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