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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, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | $ 4,268 | $ 3,972 | $ 3,761
Bay Area Delivery Drivers |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 40 | 37 | 35
Central Pennsylvania Teamsters Health & Pension Fund |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 29 | 27 | 25
Central States, South East & South West Areas Health and Welfare Fund |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 2,530 | 2,366 | 2,268
Teamsters Western Region & Local One Seventy Seven Health Care Plan [Member] |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 656 | 605 | 571
Health & Welfare Insurance Fund Teamsters Local Six Fifty Three [Member] |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 8 | 7 | 6
Delta Health Systems—East Bay Drayage Drivers |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 30 | 29 | 27
Employer—Teamster Local Nos. 175 & 505 |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 12 | 11 | 11
General Teamsters Local 493 Health Services & Insurance Plan |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 6 | 5 | 5
Joint Council 83 Health & Welfare Fund |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 40 | 37 | 33
Local 191 Teamsters Health Fund |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 13 | 13 | 12
Local 401 Teamsters Health & Welfare Fund |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 10 | 9 | 8
Local 443 Transportation Health Services & Insurance Plan |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 6 | 5 | 5
Local 804 Welfare Trust Fund |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 90 | 84 | 79
Milwaukee Drivers Pension Trust Fund—Milwaukee Drivers Health and Welfare Trust Fund |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 43 | 38 | 36
Montana Teamster Employers Trust |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 9 | 8 | 8
New York State Teamsters Health & Hospital Fund |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 62 | 59 | 56
North Coast Benefit Trust |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 12 | 11 | 8
Northern California General Teamsters (DELTA) |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 153 | 132 | 116
Northern New England Benefit Trust |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 54 | 50 | 47
Oregon / Teamster Employers Trust |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 43 | 38 | 34
Teamsters 170 Health & Welfare Fund |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 18 | 17 | 16
Teamsters Benefit Trust |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 48 | 46 | 43
Teamsters Local 251 Health & Insurance Plan |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 17 | 15 | 14
Teamsters Local 404 Health & Insurance Plan |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 8 | 8 | 7
Teamsters Local 638 Health Fund |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 48 | 43 | 40
Teamsters Local 639—Employers Health & Pension Trust Funds |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 29 | 27 | 27
Teamsters Local 671 Health Services & Insurance Plan |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 19 | 17 | 17
Teamsters Union 25 Health Services & Insurance Plan |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 56 | 52 | 50
Teamsters Union Local 677 Health Services & Insurance Plan |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 12 | 11 | 10
Truck Drivers and Helpers Local 355 Baltimore Area Health & Welfare Fund |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 18 | 16 | 16
Utah-Idaho Teamsters Security Fund |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 32 | 29 | 26
Washington Teamsters Welfare Trust |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | 57 | 52 | 47
All Other Multiemployer Health and Welfare Plans |  |  |
Multiemployer Plans [Line Items] |  |  |
UPS Contributions | $ 60 | $ 68 | $ 58

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