CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
OPERATING REVENUES:
Transportation and storage of natural gas	$ 121	$ 125	$ 393	$ 417
Other	5	7	16	22
Total operating revenues	126	132	409	439
OPERATING EXPENSES:
Cost of natural gas and other energy	1	1	4	4
Operating and maintenance expense	56	55	159	151
General and administrative expense	12	12	35	33
Depreciation and amortization	31	33	101	96
Total operating expenses	100	101	299	284
OPERATING INCOME	26	31	110	155
OTHER INCOME (EXPENSE):
Interest expense, net	(13)	(15)	(38)	(52)
Income from unconsolidated affiliates	28	9	26	7
Interest income - affiliates	6	5	7	17
Other, net	1	1	5	5
Total other expenses, net	22	0	0	(23)
INCOME BEFORE INCOME TAX EXPENSE	48	31	110	132
Income tax expense	(28)	8	9	128
NET INCOME	76	23	101	4
Less: Net income attributable to noncontrolling interest	0	0	0	6
NET INCOME (LOSS) ATTRIBUTABLE TO PARTNERS	$ 76	$ 23	$ 101	$ (2)