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Description of Business Segments and Summary of Significant Accounting Policies (Tables)
12 Months Ended
May 31, 2023
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,

 

 

 

Range

 

2023

 

 

2022

 

Wide-body aircraft and related equipment

 

15 to 30 years

 

$

16,973

 

 

$

15,949

 

Narrow-body and feeder aircraft and related equipment

 

5 to 30 years

 

 

2,038

 

 

 

2,163

 

Package handling and ground support equipment

 

3 to 15 years

 

 

7,562

 

 

 

6,447

 

Information technology

 

3 to 7 years

 

 

1,859

 

 

 

1,907

 

Vehicles and trailers

 

3 to 15 years

 

 

3,996

 

 

 

4,004

 

Facilities and other

 

1 to 33 years

 

 

8,270

 

 

 

7,621