Table:
|  |  | Year Ended December 31, |  |
| --- | --- | --- | --- |
|  | 2019 | 2018 | 2017 |
|  |  | (Dollars in millions) |  |
| Operating revenue |  |  |  |
| International and Global Accounts | $3,596 | 3,653 | 1,382 |
| Enterprise | 6,133 | 6,133 | 4,186 |
| Small and Medium Business | 2,956 | 3,144 | 2,418 |
| Wholesale | 4,074 | 4,397 | 3,026 |
| Consumer | 5,642 | 6,116 | 6,451 |
| Total segment revenue | $22,401 | 23,443 | 17,463 |
| Operations and Other(1) | — | — | 193 |
| Total operating revenue | $22,401 | 23,443 | 17,656 |
Paragraphs:
Segment Results
General
Reconciliation of segment revenue to total operating revenue is below:
(1) On May 1, 2017 we sold a portion of our data centers and colocation business. See Note 3—Sale of Data Centers and Colocation Business to our consolidated financial statements in Item 8 of Part II of this report, for additional information.
Question:
What portion of business under Operations and Other was sold?
Answer: data centers and colocation business