CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 0	$ 2
Accounts receivable, net	39	45
Accounts receivable from related companies	11	12
Exchanges receivable	8	5
Inventories	86	150
Other current assets	6	3
Total current assets	150	217
Property, plant and equipment:
Property, plant and equipment	3,251	3,199
Accumulated depreciation	(504)	(419)
Net property, plant and equipment	2,747	2,780
Other non-current assets, net	186	167
Goodwill	23	23
Total assets	3,106	3,187
Current liabilities:
Current maturities of long-term debt	154	407
Accounts payable and accrued liabilities	3	3
Accounts payable to related companies	32	32
Exchanges payable	71	131
Other current liabilities	87	53
Total current liabilities	347	626
Long-term debt, less current maturities	252	411
Note payable to related party	366	113
Deferred income taxes	472	451
Other non-current liabilities	254	241
Commitments and contingencies
Partners’ capital:
Partners’ capital	1,420	1,348
Accumulated other comprehensive loss	(5)	(3)
Total partners’ capital	1,415	1,345
Total liabilities and partners’ capital	$ 3,106	$ 3,187