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Goodwill and Other Intangible Assets - Schedule Of Identifiable Intangible Assets (Details) - USD ($) $ in Millions | May 31, 2019 | May 31, 2018
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Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 888 | $ 885
Accumulated Amortization | (472) | (405)
Net Book Value | 416 | 480
Customer Relationships [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 685 | 676
Accumulated Amortization | (293) | (250)
Net Book Value | 392 | 426
Technology [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 66 | 68
Accumulated Amortization | (51) | (39)
Net Book Value | 15 | 29
Trademarks and other [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 137 | 141
Accumulated Amortization | (128) | (116)
Net Book Value | $ 9 | $ 25

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