XML 116 R82.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Debt Future Repayments (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Maturities of Long-term Debt [Abstract]    
2020  $ 676  
2021  4  
2022  564  
2023  1,001  
2024  2,122  
2025 and Thereafter 13,593  
Total Repayments of Principal $ 17,960 $ 19,186