Annual report pursuant to Section 13 and 15(d)

SEGMENT AND GEOGRAPHIC INFORMATION - Segment Information (Detail)

v2.4.1.9
SEGMENT AND GEOGRAPHIC INFORMATION - Segment Information (Detail) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Segment Reporting Information [Line Items]                      
Revenue $ 15,895us-gaap_Revenues $ 14,290us-gaap_Revenues $ 14,268us-gaap_Revenues $ 13,779us-gaap_Revenues $ 14,976us-gaap_Revenues $ 13,521us-gaap_Revenues $ 13,507us-gaap_Revenues $ 13,434us-gaap_Revenues $ 58,232us-gaap_Revenues $ 55,438us-gaap_Revenues $ 54,127us-gaap_Revenues
Operating Profit (Loss) 754us-gaap_OperatingIncomeLoss 1,954us-gaap_OperatingIncomeLoss 747us-gaap_OperatingIncomeLoss 1,513us-gaap_OperatingIncomeLoss 1,908us-gaap_OperatingIncomeLoss 1,804us-gaap_OperatingIncomeLoss 1,742us-gaap_OperatingIncomeLoss 1,580us-gaap_OperatingIncomeLoss 4,968us-gaap_OperatingIncomeLoss 7,034us-gaap_OperatingIncomeLoss 1,343us-gaap_OperatingIncomeLoss
Assets 35,471us-gaap_Assets       36,212us-gaap_Assets       35,471us-gaap_Assets 36,212us-gaap_Assets 38,863us-gaap_Assets
Depreciation and Amortization Expense                 1,923us-gaap_DepreciationAndAmortization 1,867us-gaap_DepreciationAndAmortization 1,858us-gaap_DepreciationAndAmortization
U.S. Domestic Package                      
Segment Reporting Information [Line Items]                      
Revenue                 35,851us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= ups_USDomesticPackageMember 		34,074us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= ups_USDomesticPackageMember 		32,856us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= ups_USDomesticPackageMember
Operating Profit (Loss)                 2,859us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= ups_USDomesticPackageMember 		4,603us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= ups_USDomesticPackageMember 		459us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= ups_USDomesticPackageMember
Assets 20,716us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ups_USDomesticPackageMember 		      19,648us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ups_USDomesticPackageMember 		      20,716us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ups_USDomesticPackageMember 		19,648us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ups_USDomesticPackageMember 		19,934us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ups_USDomesticPackageMember
Depreciation and Amortization Expense                 1,276us-gaap_DepreciationAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= ups_USDomesticPackageMember 		1,229us-gaap_DepreciationAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= ups_USDomesticPackageMember 		1,220us-gaap_DepreciationAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= ups_USDomesticPackageMember
International Package                      
Segment Reporting Information [Line Items]                      
Revenue                 12,988us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= ups_InternationalPackageMember 		12,429us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= ups_InternationalPackageMember 		12,124us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= ups_InternationalPackageMember
Operating Profit (Loss)                 1,677us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= ups_InternationalPackageMember 		1,757us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= ups_InternationalPackageMember 		869us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= ups_InternationalPackageMember
Assets 7,853us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ups_InternationalPackageMember 		      8,463us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ups_InternationalPackageMember 		      7,853us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ups_InternationalPackageMember 		8,463us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ups_InternationalPackageMember 		11,248us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ups_InternationalPackageMember
Depreciation and Amortization Expense                 478us-gaap_DepreciationAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= ups_InternationalPackageMember 		473us-gaap_DepreciationAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= ups_InternationalPackageMember 		475us-gaap_DepreciationAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= ups_InternationalPackageMember
Supply Chain & Freight                      
Segment Reporting Information [Line Items]                      
Revenue                 9,393us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= ups_SupplyChainAndFreightMember 		8,935us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= ups_SupplyChainAndFreightMember 		9,147us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= ups_SupplyChainAndFreightMember
Operating Profit (Loss)                 432us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= ups_SupplyChainAndFreightMember 		674us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= ups_SupplyChainAndFreightMember 		15us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= ups_SupplyChainAndFreightMember
Assets 6,024us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ups_SupplyChainAndFreightMember 		      6,624us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ups_SupplyChainAndFreightMember 		      6,024us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ups_SupplyChainAndFreightMember 		6,624us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ups_SupplyChainAndFreightMember 		6,610us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= ups_SupplyChainAndFreightMember
Depreciation and Amortization Expense                 169us-gaap_DepreciationAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= ups_SupplyChainAndFreightMember 		165us-gaap_DepreciationAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= ups_SupplyChainAndFreightMember 		163us-gaap_DepreciationAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= ups_SupplyChainAndFreightMember
Unallocated                      
Segment Reporting Information [Line Items]                      
Assets $ 878us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_MaterialReconcilingItemsMember 		      $ 1,477us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_MaterialReconcilingItemsMember 		      $ 878us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_MaterialReconcilingItemsMember 		$ 1,477us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_MaterialReconcilingItemsMember 		$ 1,071us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_MaterialReconcilingItemsMember