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SEGMENT INFORMATION Continued (Details) - USD ($) $ in Millions | 12 Months Ended
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May 31, 2019 | May 31, 2018 | May 31, 2017
Revenues from external customers and long lived assets [Line Items] |  |  |  |
Revenues |  | $ 39,506 | $ 39,383 | $ 37,792
Long-Lived Assets | [1] | 7,869 | 7,354 | 6,728
United States [Member] |  |  |  |
Revenues from external customers and long lived assets [Line Items] |  |  |  |
Revenues |  | 18,596 | 18,330 | 17,856
Long-Lived Assets | [1] | 5,318 | 4,976 | 4,680
United Kingdom [Member] |  |  |  |
Revenues from external customers and long lived assets [Line Items] |  |  |  |
Revenues |  | 2,054 | 2,093 | 1,988
Long-Lived Assets | [1] | 423 | 510 | 402
Japan [Member] |  |  |  |
Revenues from external customers and long lived assets [Line Items] |  |  |  |
Revenues |  | 1,848 | 1,716 | 1,619
Long-Lived Assets | [1] | 422 | 388 | 380
Germany [Member] |  |  |  |
Revenues from external customers and long lived assets [Line Items] |  |  |  |
Revenues |  | 1,583 | 1,526 | 1,415
Long-Lived Assets | [1] | 263 | 179 | 116
Canada [Member] |  |  |  |
Revenues from external customers and long lived assets [Line Items] |  |  |  |
Revenues |  | 1,166 | 1,200 | 1,102
Long-Lived Assets | [1] | 87 | 78 | 60
Other countries [Member] |  |  |  |
Revenues from external customers and long lived assets [Line Items] |  |  |  |
Revenues |  | 14,259 | 14,518 | 13,812
Long-Lived Assets | [1] | $ 1,356 | $ 1,223 | $ 1,090
[1] | Long-lived assets exclude goodwill, intangible assets, equity investments and deferred taxes, which are not allocated to specific geographic locations as it is impracticable to do so.

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