CONDENSED STATEMENTS OF CONSOLIDATED INCOME (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Revenues	$ 1,235	$ 846	$ 3,088	$ 2,396
Expenses:
Natural gas	852	409	2,076	1,378
Natural gas-affiliates	28	0	28	0
Operation and maintenance	209	228	460	467
Depreciation and amortization	56	70	133	139
Taxes other than income taxes	34	33	85	77
Total	1,179	740	2,782	2,061
Operating Income	56	106	306	335
Other Income (Expense):
Interest and other finance charges	(37)	(44)	(82)	(89)
Equity in earnings of unconsolidated affiliates	37	8	42	17
Other, net	(5)	0	(5)	0
Total	(5)	(36)	(45)	(72)
Income Before Income Taxes	51	70	261	263
Income tax expense	213	28	295	103
Net Income (Loss)	$ (162)	$ 42	$ (34)	$ 160