Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Current Assets:
Cash and cash equivalents	$ 11	$ 4
Restricted cash	0
Accounts receivable, net of allowance for doubtful accounts (Note 1)	223	244
Accounts receivable—affiliated companies	15	25
Inventory	43	46
Gas imbalances	38	35
Other current assets	44	35
Total current assets	374	389
Property, Plant and Equipment:
Property, plant and equipment	13,172	13,161
Less: Accumulated depreciation and amortization	2,430	2,291
Property, plant and equipment, net	10,742	10,870
Other Assets:
Intangible assets, net	570	601
Goodwill	0	12
Investment in equity method affiliate	301	309
Other, net of allowance for doubtful accounts (Note 1)	74	85
Total other assets	945	1,007
Total Assets	12,061	12,266
Current Liabilities:
Accounts payable	88	161
Accounts payable—affiliated companies	2	1
Current portion of long-term debt	0	251
Short-term debt	30	155
Taxes accrued	38	32
Gas imbalances	19	19
Other	113	161
Total current liabilities	290	780
Other Liabilities:
Accumulated deferred income taxes, net	5	4
Regulatory liabilities	25	24
Other	75	80
Total other liabilities	105	108
Long-Term Debt	4,349	3,969
Commitments and Contingencies (Note 14)
Partners’ Equity:
Series A Preferred Units (14,520,000 issued and outstanding at June 30, 2020 and December 31, 2019)	362	362
Common Units (435,454,209 issued and outstanding at June 30, 2020 and 435,201,365 issued and outstanding at December 31, 2019)	6,937	7,013
Accumulated other comprehensive loss	(9)	(3)
Noncontrolling interest	27	37
Total Partners’ Equity	7,317	7,409
Total Liabilities and Partners’ Equity	$ 12,061	$ 12,266