Quarterly report pursuant to Section 13 or 15(d)

INCOME TAXES - Additional Information (Detail)

v3.21.2
INCOME TAXES - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Income Tax            
Effective tax rate 22.20%     22.50% 22.40% 23.50%
Effective income tax rate reconciliation, excess tax benefit         0.60% 0.20%
Defined Benefit Plan, Mark to Market Gain (Loss), Tax Effect     $ 788      
Defined Benefit Plan, Mark to Market Gain (Loss)     $ 3,300      
Transformation cost $ 74     $ 44 $ 308 $ 201
Income tax benefit from transformation strategy 20     $ 11 76 $ 50
UPS Freight Business | Disposed of by Sale            
Income Tax            
Pre-tax gain 0 $ 101     35  
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, Tax Expense (Benefit) $ 0       $ 8