United Parcel Service, Inc. Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
Segment Information (Detail) - USD ($) $ in Millions	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Segment Reporting Information [Line Items]
Revenue	$ 14,928	$ 14,237	$ 43,975	$ 42,309
Operating Income (Loss)	2,034	1,984	5,895	5,617
U.S. Domestic Package
Segment Reporting Information [Line Items]
Revenue	9,289	8,860	27,388	26,482
Operating Income (Loss)	1,252	1,258	3,587	3,483
International Package
Segment Reporting Information [Line Items]
Revenue	3,024	2,959	9,015	8,974
Operating Income (Loss)	576	507	1,763	1,557
Supply Chain & Freight
Segment Reporting Information [Line Items]
Revenue	2,615	2,418	7,572	6,853
Operating Income (Loss)	$ 206	$ 219	$ 545	$ 577