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DESCRIPTION OF BUSINESS SEGMENTS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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May 31, 2025
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 |  | 2025 |  | 2024
Wide-body aircraft and related equipment | 18 to 30 years |  | $ | 18,202 |  |  | $ | 17,936 |
Narrow-body and feeder aircraft and related equipment | 5 to 30 years |  | 1,750 |  |  | 1,849 |
Package handling and ground support equipment | 3 to 15 years |  | 7,573 |  |  | 7,607 |
Information technology | 3 to 7 years |  | 1,568 |  |  | 1,722 |
Vehicles and trailers | 3 to 15 years |  | 4,075 |  |  | 4,053 |
Facilities and other | 1 to 33 years |  | 8,474 |  |  | 8,324 |
Schedule of Obligations Confirmed and Paid | A rollforward of obligations confirmed and paid during the years ended May 31 is presented below (in millions):
| 2025 |  | 2024
Confirmed obligations outstanding at the beginning of the year | $ | 94 |  |  | $ | 83 |
Invoices confirmed during the year | 625 |  |  | 686 |
Confirmed invoices paid during the year | (651) |  |  | (678) |
Currency translation adjustments | 3 |  |  | 3 |
Confirmed obligations outstanding at the end of the year | $ | 71 |  |  | $ | 94 |

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