v3.26.1
DESCRIPTION OF BUSINESS SEGMENTS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
 12 Months Ended
May 31, 2026
Accounting Policies [Abstract]  
Schedule of Depreciable Lives and Net Book Value of Property and Equipment
The depreciable lives and net book value of our property and equipment are as follows (dollars in millions):
Net Book Value at May 31,
Range20262025
Wide-body aircraft and related equipment
18 to 30 years
$18,027 $18,202 
Narrow-body and feeder aircraft and related equipment
5 to 30 years
1,635 1,750 
Package handling and ground support equipment
3 to 15 years
7,430 7,573 
Information technology
3 to 7 years
1,422 1,568 
Vehicles and trailers
3 to 15 years
4,285 4,075 
Facilities and other
1 to 33 years
9,245 8,474 
Schedule of Obligations Confirmed and Paid A rollforward of obligations confirmed and paid during the years ended May 31 is presented below (in millions):
20262025
Confirmed obligations outstanding at the beginning of the year$71 $94 
Invoices confirmed during the year748 625 
Confirmed invoices paid during the year(711)(651)
Currency translation adjustments1 3 
Confirmed obligations outstanding at the end of the year$109 $71 
Schedule of Business Optimization And Realignment Costs
The table below summarizes the changes to amounts accrued associated with business optimization and realignment costs during 2026 and 2025:
20262025
Business optimization and realignment costs accrued, beginning of period$(227)$(155)
Expense incurred(352)(756)
Amounts paid419684
Business optimization and realignment costs accrued, end of period$(160)$(227)
Schedule of Separation And Other Costs
The table below summarizes the changes to amounts accrued associated with separation and other costs during 2026 and 2025:
20262025
Separation and other costs accrued, beginning of period$(15)$—
Expense incurred(777)(56)
Amounts paid52941
Separation and other costs accrued, end of period$(263)$(15)