STATEMENTS OF CONSOLIDATED INCOME (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenues	$ 6,367	$ 5,522	$ 4,901
Expenses:
Natural gas	4,921	3,908	2,873
Operation and maintenance	751	828	951
Depreciation and amortization	206	230	285
Taxes other than income taxes	154	155	146
Goodwill impairment	0	0	252
Total	6,032	5,121	4,507
Operating Income	335	401	394
Other Income (Expense):
Interest and other finance charges	(141)	(154)	(179)
Equity in earnings of unconsolidated affiliates	308	188	31
Step acquisition gain	0	0	136
Other, net	9	0	1
Total	176	34	(11)
Income Before Income Taxes	511	435	383
Income tax expense	188	371	246
Net Income	$ 323	$ 64	$ 137