v3.25.2
SEGMENT INFORMATION - Results of Operations (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Segment Reporting Information [Line Items]          
Revenue $ 21,221 $ 21,818 $ 42,767 $ 43,524  
Operating profit 1,822 1,944 3,488 3,557  
Compensation and benefits 11,626 11,503 23,453 23,142  
Purchased transportation 2,522 3,273 5,252 6,519  
Other pension income (expense) 38 67 75 134  
Investment income and other 40 70 82 121  
Interest expense (238) (212) (460) (407)  
Income Before Income Taxes 1,662 1,869 3,185 3,405  
Depreciation and amortization 936 887 1,848 1,785  
Assets 70,923   70,923   $ 70,070
Operating Segments          
Segment Reporting Information [Line Items]          
Revenue 18,568 18,571 37,401 37,093  
Operating profit 1,588 1,706 3,208 3,195  
Reconciliation          
Segment Reporting Information [Line Items]          
Revenue 2,653 3,247 5,366 6,431  
Operating profit 234 238 280 362  
Depreciation and amortization 91 95 178 194  
Assets 11,427   11,427   9,850
Unallocated items          
Segment Reporting Information [Line Items]          
Assets 2,805   2,805   3,263
U.S. Domestic Package Segment | Operating Segments          
Segment Reporting Information [Line Items]          
Revenue 14,083 14,201 28,543 28,467  
Compensation 4,903 4,796 10,001 9,668  
Benefits 4,180 4,171 8,349 8,351  
Other segment item 4,084 4,246 8,298 8,627  
Operating profit 916 988 1,895 1,821  
Depreciation and amortization 636 593 1,259 1,196  
Assets 37,441   37,441   38,657
International Segment | Operating Segments          
Segment Reporting Information [Line Items]          
Revenue 4,485 4,370 8,858 8,626  
Other segment item 1,874 1,921 3,744 3,779  
Operating profit 672 718 1,313 1,374  
Compensation and benefits 995 920 1,952 1,864  
Purchased transportation 944 811 1,849 1,609  
Depreciation and amortization 209 $ 199 411 $ 395  
Assets $ 19,250   $ 19,250   $ 18,300