CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 2	$ 4
Accounts receivable, net	45	46
Accounts receivable from related companies	12	17
Exchanges receivable	5	7
Inventories	150	179
Other current assets	3	4
Total current assets	217	257
Property, plant and equipment
Total property, plant and equipment	3,199	3,242
Accumulated depreciation	(419)	(355)
Net property, plant and equipment	2,780	2,887
Other Assets, Noncurrent	167	153
Goodwill	23	285
Notes Receivable, Related Parties, Noncurrent	0	251
Total assets	3,187	3,833
Current liabilities:
Current maturities of long-term debt	407	307
Accounts payable and accrued liabilities	3	11
Accounts payable to related companies	32	66
Exchanges payable	131	165
Other current liabilities	53	61
Total current liabilities	626	610
Long-term debt, less current maturities	411	834
Note payable to related party	113	0
Deferred income taxes	451	711
Other non-current liabilities	241	217
Commitments and contingencies
Partners’ capital:
Partners’ capital	1,348	1,456
Accumulated other comprehensive income (loss)	(3)	5
Total partners’ capital	1,345	1,461
Total liabilities and partners’ capital	$ 3,187	$ 3,833