Goodwill and Other Intangible Assets - Schedule Of Identifiable Intangible Assets (Details) - USD ($) $ in Millions |
May 31, 2019 |
May 31, 2018 |
|---|---|---|
| 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 |