Quarterly report pursuant to Section 13 or 15(d)

Amortized Cost and Estimated Fair Value of Marketable Securities by Contractual Maturity (Detail)

v2.4.1.9
Amortized Cost and Estimated Fair Value of Marketable Securities by Contractual Maturity (Detail) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Cost    
Due in one year or less $ 1,267ups_MarketableSecuritiesDebtMaturitiesNextTwelveMonthsAmortizedCostBasis  
Due after one year through three years 422ups_MarketableSecuritiesDebtMaturitiesAfterOneThroughThreeYearsAmortizedCostBasis  
Due after three years through five years 15ups_MarketableSecuritiesDebtMaturitiesAfterThreeThroughFiveYearsAmortizedCostBasis  
Due after five years 103ups_MarketableSecuritiesDebtMaturitiesAfterFiveYearsAmortizedCostBasis  
Marketable Securities, Debt Maturities, Amortized Cost, Total 1,807ups_MarketableSecuritiesDebtMaturitiesAmortizedCostBasis  
Equity securities 123ups_MarketableSecuritiesEquitySecuritiesAmortizedCostBasis  
Total Amortized Cost 1,930ups_MarketableSecuritiesAmortizedCostBasis 992ups_MarketableSecuritiesAmortizedCostBasis
Estimated Fair Value    
Due in one year or less 1,267ups_MarketableSecuritiesDebtMaturitiesNextTwelveMonthsFairValue  
Due after one year through three years 423ups_MarketableSecuritiesDebtMaturitiesAfterOneThroughThreeYearsFairValue  
Due after three years through five years 16ups_MarketableSecuritiesDebtMaturitiesAfterThreeThroughFiveYearsFairValue  
Due after five years 105ups_MarketableSecuritiesDebtMaturitiesAfterFiveYearsFairValue  
Marketable Securities, Debt Maturities, Fair Value, Total 1,811ups_MarketableSecuritiesDebtMaturitiesFairValue  
Equity securities 124ups_MarketableSecuritiesEquitySecuritiesFairValue  
Total Estimated Fair Value $ 1,935us-gaap_MarketableSecuritiesCurrent $ 992us-gaap_MarketableSecuritiesCurrent