CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 2	$ 20
Accounts receivable, net	40	43
Accounts receivable from related companies	8	11
Exchanges receivable	6	8
Inventories	70	98
Other current assets	4	6
Total current assets	130	186
Property, plant and equipment:
Property, plant and equipment	3,217	3,196
Accumulated depreciation	(555)	(507)
Net property, plant and equipment	2,662	2,689
Operating Lease, Right-of-Use Asset	5	0
Other non-current assets, net	118	108
Goodwill	12	12
Total assets	2,927	2,995
Current liabilities:
Current maturities of long-term debt	0	152
Accounts payable and accrued liabilities	1	6
Accounts payable to related companies	18	46
Exchanges payable	53	85
Other current liabilities	53	69
Total current liabilities	125	358
Long-term debt, less current maturities	248	249
Note payable to related company	421	356
Deferred income taxes	444	437
Operating Lease, Liability, Noncurrent	5	0
Other non-current liabilities	231	233
Commitments and contingencies
Partners’ capital:
Partners’ capital	1,491	1,409
Accumulated other comprehensive loss	(38)	(47)
Total partners’ capital	1,453	1,362
Total liabilities and partners’ capital	$ 2,927	$ 2,995