Quarterly report pursuant to Section 13 or 15(d)

Supplemental Cash Flow Information (Details)

v3.10.0.1
Supplemental Cash Flow Information (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Supplemental Cash Flow Information [Abstract]    
Cash paid during the period for interest, net of amounts capitalized $ 350 $ 273
Balance in property, plant and equipment, net funded with accounts payable and accrued liabilities (including affiliate) $ 255 $ 266