CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 3	$ 4
Accounts receivable, net	46	46
Accounts receivable from related companies	13	17
Exchanges receivable	5	7
Inventories	144	179
Other current assets	2	4
Total current assets	213	257
Property, plant and equipment:
Property, Plant and Equipment, Gross	3,233	3,242
Accumulated depreciation	(356)	(355)
Net property, plant and equipment	2,877	2,887
Other non-current assets, net	156	153
Notes receivable from related parties	281	251
Goodwill	285	285
Total assets	3,812	3,833
Current liabilities:
Current maturities of long-term debt	305	307
Accounts payable and accrued liabilities	6	11
Accounts payable to related companies	61	66
Exchanges payable	129	165
Accrued interest	24	12
Customer advances and deposits	8	9
Other current liabilities	27	40
Total current liabilities	560	610
Long-term debt, less current maturities	830	834
Deferred income taxes	723	711
Other non-current liabilities	218	217
Commitments and contingencies
Partners’ capital:
Partners’ capital	1,476	1,456
Accumulated other comprehensive income	5	5
Total partners’ capital	1,481	1,461
Total liabilities and partners’ capital	$ 3,812	$ 3,833