v3.19.3.a.u2
Convertible Notes and Borrowings - Additional Information (Details)
€ in Millions, $ in Millions
1 Months Ended 12 Months Ended
Apr. 03, 2018
EUR (€)
Dec. 29, 2017
USD ($)
shares
Dec. 15, 2017
USD ($)
shares
Apr. 01, 2016
USD ($)
Jan. 31, 2018
USD ($)
shares
Dec. 31, 2019
USD ($)
Oct. 17, 2019
shares
Oct. 04, 2019
shares
Jan. 01, 2018
shares
Nov. 20, 2013
shares
Nov. 13, 2012
shares
Disclosure Of Convertible Notes And Borrowings [Abstract]                      
Principal amount of convertible notes       $ 1,000              
Convertible notes due       2021              
Convertible note interest rate       5.00%              
Increase in Payment-in-kind interest rate basis       1.00%              
Discount on conversion price per share       20.00%              
Date of involuntary conversion event       12 months              
Increase in discount rate       2.50%              
Principal amount annualized return       10.00%              
Transaction costs expensed in finance costs           $ 20          
Convertible notes exchanged principal amount   $ 110 $ 301   $ 628            
Convertible notes accrued interest   $ 10 $ 27                
Ordinary shares issued | shares   1,754,960 4,800,000   9,431,960   1,991,627 1,600,000 9,431,960 8,233,160 4,204,120
Fair value of ordinary shares at exchange   $ 211 $ 600                
Fair value adjusted finance cost | € € 123                    
Issuance of shares upon exchange of Convertible Notes | € € 1,100