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Operating Segments, Geographic Analysis and Major Customers (Tables) | 12 Months Ended
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Dec. 31, 2016
Operating Segments, Geographic Analysis and Major Customers |
Schedule of operating revenues for continuing operations by country | Operating revenues by country were as follows (in millions):
|  | Years ended December 31, |
|  | 2016 |  | 2015 |  | 2014 |
Operating revenues |  |  |  |  |  |  |  |  |  |
U.S. |  | $ | 1,977 |  | $ | 2,416 |  | $ | 2,410 |
U.K. |  |  | 551 |  |  | 1,139 |  |  | 1,194 |
Brazil |  |  | 453 |  |  | 673 |  |  | 651 |
Norway |  |  | 214 |  |  | 650 |  |  | 1,036 |
Other countries (a) |  |  | 966 |  |  | 2,508 |  |  | 3,894 |
Total operating revenues |  | $ | 4,161 |  | $ | 7,386 |  | $ | 9,185 |
| (a) |  | Other countries represent countries in which we operate that individually had operating revenues representing less than 10 percent of total operating revenues earned.
Schedule of long-lived assets of the entity's continuing operations by country | Long‑lived assets by country were as follows (in millions):
|  | December 31, |
|  | 2016 |  | 2015 |
Long-lived assets |  |  |  |  |  |  |
U.S. |  | $ | 6,181 |  | $ | 7,451 |
Trinidad |  |  | 3,977 |  |  | 1,766 |
Korea |  |  | 1,459 |  |  | 2,048 |
Other countries (a) |  |  | 9,476 |  |  | 9,544 |
Total long-lived assets |  | $ | 21,093 |  | $ | 20,809 |
| (a) |  | Other countries represents countries in which we operate that individually had long‑lived assets representing less than 10 percent of total long‑lived assets.

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