Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018
Current Assets
Cash and cash equivalents	$ 25	$ 10
Receivables, net of allowance for doubtful accounts
Trade and other	202	195
Affiliate	323	279
Prepayments and other current assets	65	79
Total Current Assets	615	563
Property, Plant and Equipment, Net
Property, plant and equipment, at cost	8,409	8,145
Accumulated depreciation	(1,480)	(1,300)
Property, Plant and Equipment, Net	6,929	6,845
Acquired Intangibles, Net	1,079	1,104
Goodwill	1,051	1,051
Equity Method Investments	605	602
Other Noncurrent Assets, Net	271	130
Total Assets	10,550	10,295
Accounts payable
Trade and other	196	214
Affiliate	277	252
Accrued interest and financing costs	41	41
Current maturities of debt	503	504
Other current liabilities	93	81
Total Current Liabilities	1,110	1,092
Debt, Net of Unamortized Issuance Costs	4,720	4,460
Other Noncurrent Liabilities	186	69
Total Liabilities	6,016	5,621
Commitments and Contingencies (Note 6)
Equity
Preferred unitholders; 600,000 units issued and outstanding in 2019 and 2018	603
Common unitholders; 245,630,444 units issued and outstanding (245,493,184 in 2018)	3,931
Total Equity	4,534	4,674
Total Liabilities and Equity	$ 10,550	$ 10,295