Quarterly report pursuant to Section 13 or 15(d)

Debt - Interest Expense (Details)

v3.19.2
Debt - Interest Expense (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Debt Disclosure [Abstract]        
Total interest cost $ 237 $ 234 $ 472 $ 466
Capitalized interest (7) (50) (55) (97)
Total interest expense, net $ 230 $ 184 $ 417 $ 369