Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Current Assets
Cash and cash equivalents	$ 16	$ 688
Receivables, net of allowance for doubtful accounts
Trade and other	149	129
Affiliate	114	101
Prepayments and other current assets	17	20
Total Current Assets	296	938
Property, Plant and Equipment, Net	4,013	3,444
Acquired Intangibles, Net	1,038	947
Equity Method Investments	325	337
Goodwill	127	117
Other Noncurrent Assets, Net	65	77
Total Assets	5,864	5,860
Accounts payable
Trade	109	69
Affiliate	43	56
Accrued interest and financing costs	92	42
Other current liabilities	48	45
Total Current Liabilities	292	212
Debt, Net of Unamortized Issuance Costs	3,765	4,053
Other Noncurrent Liabilities	56	53
Total Liabilities	4,113	4,318
Equity
Common unitholders; 108,075,130 units issued and outstanding (102,981,495 in 2016)	1,812	1,608
General partner; 2,202,880 units issued and outstanding (2,100,900 in 2016)	(61)	(66)
Total Equity	1,751	1,542
Total Liabilities and Equity	$ 5,864	$ 5,860