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

Notional Amounts of Outstanding Derivative Positions (Detail) In Millions, unless otherwise specified	Mar. 31, 2015 CAD	Mar. 31, 2015 EUR (€)	Mar. 31, 2015 GBP (£)	Mar. 31, 2015 INR	Mar. 31, 2015 MXN	Mar. 31, 2015 MYR	Dec. 31, 2014 CAD	Dec. 31, 2014 EUR (€)	Dec. 31, 2014 GBP (£)	Dec. 31, 2014 INR	Dec. 31, 2014 MXN	Dec. 31, 2014 MYR	Mar. 31, 2015 Fixed to Floating Interest Rate Swaps USD ($)	Dec. 31, 2014 Fixed to Floating Interest Rate Swaps USD ($)	Mar. 31, 2015 Floating to Fixed Interest Rate Swaps USD ($)	Dec. 31, 2014 Floating to Fixed Interest Rate Swaps USD ($)	Mar. 31, 2015 Basis Interest Rate Swaps USD ($)	Dec. 31, 2014 Basis Interest Rate Swaps USD ($)	Mar. 31, 2015 Price Risk Derivative [Member] USD ($)	Dec. 31, 2014 Price Risk Derivative [Member] USD ($)
Derivative [Line Items]
Derivative, Notional Amount	228invest_DerivativeNotionalAmount	€ 2,435invest_DerivativeNotionalAmount	£ 1,078invest_DerivativeNotionalAmount	95invest_DerivativeNotionalAmount	7,034invest_DerivativeNotionalAmount	0invest_DerivativeNotionalAmount	293invest_DerivativeNotionalAmount	€ 2,833invest_DerivativeNotionalAmount	£ 1,149invest_DerivativeNotionalAmount	85invest_DerivativeNotionalAmount	152invest_DerivativeNotionalAmount	150invest_DerivativeNotionalAmount	$ 5,799	$ 5,799	$ 779	$ 779	$ 1,500	$ 1,500	$ 111	$ 0