CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current Assets:
Cash and cash equivalents	$ 4	$ 1
Accounts receivable, less bad debt reserve of $19 and $25, respectively	345	565
Accrued unbilled revenue	74	311
Accounts and notes receivable — affiliated companies	107	44
Materials and supplies	42	34
Natural gas inventory	253	145
Non-trading derivative assets	34	24
Taxes receivable	0	18
Deferred income tax assets	0	21
Prepaid expenses and other current assets	99	51
Total current assets	958	1,214
Property, Plant and Equipment:
Property, plant and equipment	5,193	4,815
Less: accumulated depreciation and amortization	1,500	1,379
Property, plant and equipment, net	3,693	3,436
Other Assets:
Goodwill	840	840
Non-trading derivative assets	17	10
Investment in unconsolidated affiliates	4,525	4,518
Notes receivable from unconsolidated affiliates	363	363
Other	149	161
Total other assets	5,894	5,892
Total Assets	10,545	10,542
Current Liabilities:
Short-term borrowings	80	43
Accounts payable	279	495
Accounts and notes payable — affiliated companies	52	103
Taxes accrued	55	74
Interest accrued	40	36
Customer deposits	77	78
Derivative Liability, Current	11	17
Other	154	163
Total current liabilities	748	1,009
Other Liabilities:
Deferred Tax Liabilities, Net, Noncurrent	2,189	2,082
Non-trading derivative liabilities	2	4
Benefit obligations	103	102
Regulatory liabilities	692	642
Other	152	160
Total other liabilities	3,138	2,990
Long-Term Debt	2,127	2,240
Commitments and Contingencies (Note 10)
Stockholder’s Equity:
Common stock	0	0
Paid-in capital	2,417	2,416
Retained earnings	2,110	1,882
Accumulated other comprehensive income	5	5
Total stockholder’s equity	4,532	4,303
Total Liabilities and Stockholder’s Equity	$ 10,545	$ 10,542