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SEGMENT INFORMATION (Tables) | 12 Months Ended
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Dec. 31, 2018
Segment Reporting [Abstract] |
Summary of Segment Results | Following is a summary of segment results (in millions of dollars):
| 2018
| United States |  | Canada |  | Total Reportable Segments |  | Other businesses |  | Total
Total net sales | $ | 8,588 |  |  | $ | 653 |  |  | $ | 9,241 |  |  | $ | 2,441 |  |  | $ | 11,682 |
Intersegment net sales | (457 | ) |  | — |  |  | (457 | ) |  | (4 | ) |  | (461 | )
Net sales to external customers | 8,131 |  |  | 653 |  |  | 8,784 |  |  | 2,437 |  |  | 11,221 |
Segment operating earnings | 1,338 |  |  | (49 | ) |  | 1,289 |  |  | 8 |  |  | 1,297 |
| 2017
| United States |  | Canada |  | Total Reportable Segments |  | Other businesses |  | Total
Total net sales | $ | 7,960 |  |  | $ | 753 |  |  | $ | 8,713 |  |  | $ | 2,120 |  |  | $ | 10,833 |
Intersegment net sales | (404 | ) |  | — |  |  | (404 | ) |  | (4 | ) |  | (408 | )
Net sales to external customers | 7,556 |  |  | 753 |  |  | 8,309 |  |  | 2,116 |  |  | 10,425 |
Segment operating earnings | 1,200 |  |  | (77 | ) |  | 1,123 |  |  | 56 |  |  | 1,179 |
| 2016
| United States |  | Canada |  | Total Reportable Segments |  | Other businesses |  | Total
Total net sales | $ | 7,870 |  |  | $ | 734 |  |  | $ | 8,604 |  |  | $ | 1,885 |  |  | $ | 10,489 |
Intersegment net sales | (348 | ) |  | — |  |  | (348 | ) |  | (4 | ) |  | (352 | )
Net sales to external customers | 7,522 |  |  | 734 |  |  | 8,256 |  |  | 1,881 |  |  | 10,137 |
Segment operating earnings | 1,269 |  |  | (65 | ) |  | 1,204 |  |  | 40 |  |  | 1,244 |
Significant Reconciling Items from Segments to Consolidated | Following are reconciliations of the segment information with the consolidated totals per the Financial Statements (in millions of dollars):
| 2018 |  | 2017 |  | 2016
Operating earnings: |  |  |  |  |
Total operating earnings for reportable segments | $ | 1,289 |  |  | $ | 1,123 |  |  | $ | 1,204 |
Other businesses | 8 |  |  | 56 |  |  | 40 |
Unallocated expenses | (139 | ) |  | (144 | ) |  | (131 | )
Total consolidated operating earnings | $ | 1,158 |  |  | $ | 1,035 |  |  | $ | 1,113 |
Assets: |  |  |  |  |
United States | $ | 2,496 |  |  | $ | 2,310 |  |  | $ | 2,275 |
Canada | 188 |  |  | 279 |  |  | 286 |
Assets for reportable segments | $ | 2,684 |  |  | $ | 2,589 |  |  | $ | 2,561 |
Other current and noncurrent assets | 2,879 |  |  | 3,033 |  |  | 2,959 |
Unallocated assets | 310 |  |  | 182 |  |  | 174 |
Total consolidated assets | $ | 5,873 |  |  | $ | 5,804 |  |  | $ | 5,694 |
Depreciation and amortization: |  |  |  |  |
United States | $ | 166 |  |  | $ | 169 |  |  | $ | 159 |
Canada | 19 |  |  | 19 |  |  | 18 |
Depreciation and amortization for reportable segments | $ | 185 |  |  | $ | 188 |  |  | $ | 177 |
Other businesses and unallocated | 49 |  |  | 53 |  |  | 46 |
Total consolidated depreciation and amortization | $ | 234 |  |  | $ | 241 |  |  | $ | 223 |
Additions to long-lived assets |  |  |  |  |
United States | $ | 200 |  |  | $ | 187 |  |  | $ | 154 |
Canada | 7 |  |  | 8 |  |  | 12 |
Additions to long-lived assets for reportable segments | $ | 207 |  |  | $ | 195 |  |  | $ | 166 |
Other businesses and unallocated | 39 |  |  | 67 |  |  | 106 |
Total consolidated additions to long-lived assets | $ | 246 |  |  | $ | 262 |  |  | $ | 272 |
| 2018 |  | 2017 |  | 2016
Revenue by geographic location: |  |  |  |  |
United States | $ | 8,613 |  |  | $ | 7,948 |  |  | $ | 7,834 |
Canada | 658 |  |  | 761 |  |  | 740 |
Other foreign countries | 1,950 |  |  | 1,716 |  |  | 1,563 |
| $ | 11,221 |  |  | $ | 10,425 |  |  | $ | 10,137 |
Long-lived segment assets by geographic location: |  |  |  |  |
United States | $ | 1,140 |  |  | $ | 1,098 |  |  | $ | 1,135 |
Canada | 136 |  |  | 199 |  |  | 211 |
Other foreign countries | 202 |  |  | 247 |  |  | 210 |
| $ | 1,478 |  |  | $ | 1,544 |  |  | $ | 1,556 |

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