Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Current Assets:
Cash and cash equivalents	$ 4	$ 4
Restricted cash	0
Accounts receivable, net of allowance for doubtful accounts (Note 1)	192	244
Accounts receivable—affiliated companies	17	25
Inventory	43	46
Gas imbalances	36	35
Other current assets	41	35
Total current assets	333	389
Property, Plant and Equipment:
Property, plant and equipment	13,183	13,161
Less: Accumulated depreciation and amortization	2,366	2,291
Property, plant and equipment, net	10,817	10,870
Other Assets:
Intangible assets, net	585	601
Goodwill	0	12
Investment in equity method affiliate	305	309
Other, net of allowance for doubtful accounts (Note 1)	77	85
Total other assets	967	1,007
Total Assets	12,117	12,266
Current Liabilities:
Accounts payable	100	161
Accounts payable—affiliated companies	2	1
Current portion of long-term debt	0	251
Short-term debt	110	155
Taxes accrued	25	32
Gas imbalances	17	19
Other	137	161
Total current liabilities	391	780
Other Liabilities:
Accumulated deferred income taxes, net	3	4
Regulatory liabilities	24	24
Other	77	80
Total other liabilities	104	108
Long-Term Debt	4,270	3,969
Commitments and Contingencies (Note 14)
Partners’ Equity:
Series A Preferred Units (14,520,000 issued and outstanding at March 31, 2020 and December 31, 2019)	362	362
Common units (435,443,494 issued and outstanding at March 31, 2020 and 435,201,365 issued and outstanding at December 31, 2019, respectively)	6,972	7,013
Accumulated other comprehensive loss	(9)	(3)
Noncontrolling interest	27	37
Total Partners’ Equity	7,352	7,409
Total Liabilities and Partners’ Equity	$ 12,117	$ 12,266