Quarterly report pursuant to Section 13 or 15(d)

Supplemental Cash Flow Information (Details)

v3.8.0.1
Supplemental Cash Flow Information (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Supplemental Cash Flow Information [Abstract]    
Cash paid during the period for interest, net of amounts capitalized $ 242 $ 175
Balance in property, plant and equipment, net funded with accounts payable and accrued liabilities (including affiliate) $ 200 $ 316