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BUSINESS AND GEOGRAPHIC AREAS
 12 Months Ended
Dec. 31, 2017
Segment Reporting [Abstract]  
Business and Geographic Areas [Text Block]
BUSINESS AND GEOGRAPHIC REGIONS
Dow conducts its worldwide operations through principal product groups, and the Corporation's business activities comprise components of Dow's principal product groups rather than stand-alone operations. The Corporation sells substantially all of its products to Dow in order to simplify the customer interface process at market-based prices in accordance with Dow's intercompany pricing policy. Because there are no separable reportable business segments for the Corporation and no detailed business information is provided to a chief operating decision maker regarding the Corporation's stand-alone operations, the Corporation's results are reported as a single operating segment.

Sales are attributed to geographic regions based on customer location; long-lived assets are attributed to geographic regions based on asset location. Sales to external customers and long-lived assets by geographic region were as follows:

Geographic Region Information
United States
Asia Pacific
Rest of World
Total
In millions
2017
 
 
 
 
Sales to external customers 1
$
110

$
21

$
12

$
143

Long-lived assets
$
1,341

$
9

$
29

$
1,379

2016
 
 
 
 
Sales to external customers 1
$
95

$
3

$
10

$
108

Long-lived assets
$
1,353

$
10

$
31

$
1,394

2015
 
 
 
 
Sales to external customers 1
$
70

$
3

$
14

$
87

Long-lived assets
$
1,259

$
10

$
32

$
1,301


1. Of total sales to external customers, sales in Malaysia were approximately 15 percent in 2017, 3 percent in 2016 and 4 percent in 2015, and are included in Asia Pacific.