Annual report pursuant to Section 13 and 15(d)

Customer Concentration (Details)

v3.8.0.1
Customer Concentration (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Concentration Risk [Line Items]                      
Revenues from external customers $ 1,518 $ 903 $ 992 $ 891 $ 551 $ 331 $ 151 $ 67 $ 4,304 $ 1,100 $ 270
Customer A [Member] | Total Third-Party Revenues [Member]                      
Concentration Risk [Line Items]                      
Concentration Risk, Percentage                 39.00% 52.00% 0.00%
Customer A [Member] | Accounts Receivable from Third-Parties [Member]                      
Concentration Risk [Line Items]                      
Concentration Risk, Percentage                 39.00% 47.00%  
Customer B [Member] | Total Third-Party Revenues [Member]                      
Concentration Risk [Line Items]                      
Concentration Risk, Percentage                 27.00%   0.00%
Customer B [Member] | Accounts Receivable from Third-Parties [Member]                      
Concentration Risk [Line Items]                      
Concentration Risk, Percentage                 32.00% 50.00%  
Customer C [Member] | Total Third-Party Revenues [Member]                      
Concentration Risk [Line Items]                      
Concentration Risk, Percentage                 23.00% 0.00% 0.00%
Customer C [Member] | Accounts Receivable from Third-Parties [Member]                      
Concentration Risk [Line Items]                      
Concentration Risk, Percentage                 26.00% 0.00%  
Domestic                      
Concentration Risk [Line Items]                      
Revenues from external customers                 $ 1,400 $ 677  
Non-US [Member]                      
Concentration Risk [Line Items]                      
Revenues from external customers                 1,500 $ 125  
Ireland                      
Concentration Risk [Line Items]                      
Revenues from external customers                 787    
South Korea                      
Concentration Risk [Line Items]                      
Revenues from external customers                 $ 666