Annual report pursuant to Section 13 and 15(d)

Customer Concentration - Schedule of Revenue from External Customers by Country (Details)

v3.19.3.a.u2
Customer Concentration - Schedule of Revenue from External Customers by Country (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Concentration Risk [Line Items]                      
Revenues from External Customers $ 1,908 $ 1,476 $ 1,705 $ 1,749 $ 1,897 $ 1,529 $ 1,407 $ 1,593 $ 6,838 $ 6,426 $ 4,304
Geographic Concentration Risk [Member]                      
Concentration Risk [Line Items]                      
Revenues from External Customers                 5,526 5,127 2,915
Geographic Concentration Risk [Member] | United States                      
Concentration Risk [Line Items]                      
Revenues from External Customers                 2,354 1,880 1,441
Geographic Concentration Risk [Member] | India                      
Concentration Risk [Line Items]                      
Revenues from External Customers                 1,113 981 0
Geographic Concentration Risk [Member] | South Korea                      
Concentration Risk [Line Items]                      
Revenues from External Customers                 1,071 1,168 666
Geographic Concentration Risk [Member] | Ireland                      
Concentration Risk [Line Items]                      
Revenues from External Customers                 988 1,098 787
Geographic Concentration Risk [Member] | Other countries                      
Concentration Risk [Line Items]                      
Revenues from External Customers                 $ 0 $ 0 $ 21