Annual report pursuant to Section 13 and 15(d)

Customer Concentration

v3.8.0.1
Customer Concentration
12 Months Ended
Dec. 31, 2017
Risks and Uncertainties [Abstract]  
Customer Concentration
CUSTOMER CONCENTRATION
  
The following table shows customers with revenues of 10% or greater of total third-party revenues and customers with accounts receivable balances of 10% or greater of total accounts receivable from third parties:
 
 
Percentage of Total Third-Party Revenues
 
Percentage of Accounts Receivable from Third Parties
 
 
Year Ended December 31,
 
December 31,
 
 
2017
 
2016
 
2015
 
2017
 
2016
Customer A
 
39%
 
52%
 
—%
 
39%
 
47%
Customer B
 
27%
 
*
 
—%
 
32%
 
50%
Customer C
 
23%
 
—%
 
—%
 
26%
 
—%
 
* Less than 10%

During the year ended December 31, 2017, revenues from external customers that were derived from domestic customers was $1.4 billion and from customers outside of the United States was $1.5 billion, of which $787 million and $666 million were from customers in Ireland and South Korea, respectively. During the year ended December 31, 2016, revenues from external customers that were derived from domestic customers was $677 million and from customers outside of the United States was $125 million. We attribute revenues from external customers to the country in which the party to the applicable agreement has its principal place of business. Substantially all of our long-lived assets are located in the United States.