Condensed Consolidated Statements of Financial Position (Unaudited) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014		Dec. 31, 2013		Jun. 30, 2013
Current assets
Cash and cash equivalents	$ 122		$ 81		$ 153
Short-term investments	8		49		41
Receivables
Energy marketing	677		786		608
Gas, unbilled and other	520		736		403
Less allowance for uncollectible accounts	51		29		41
Total receivables, net	1,146		1,493		970
Inventories, net	460		658		522
Assets held for sale	257		283		289
Regulatory assets	165	[1]	114	[1]	74	[1]
Derivative instruments	105		99		113
Other	121		118		69
Total current assets	2,384	[1]	2,895	[1]	2,231	[1]
Long-term assets and other deferred debits
Property, plant and equipment	11,188		10,938		10,599
Less accumulated depreciation	2,400		2,295		2,240
Property, plant and equipment, net	8,788		8,643		8,359
Goodwill	1,827	[2]	1,827	[2]	1,822	[2]
Regulatory assets	726	[1]	705	[1]	880	[1]
Intangible assets	135		145		158
Derivative instruments	9		20		17
Other	312		315		241
Total long-term assets and other deferred debits	11,797		11,655		11,477
Total assets	14,181	[1]	14,550	[1]	13,708	[1]
Current liabilities
Energy marketing trade payables	724		671		628
Short-term debt	448		1,171		521
Other accounts payable - trade	319		421		336
Accrued expenses	213		203		163
Current portion of long-term debt	200
Regulatory liabilities	149	[1]	183	[1]	216	[1]
Temporary LIFO liquidation	116				84
Customer deposits and credit balances	107		136		114
Accrued environmental remediation liabilities	90		70		62
Derivative instruments	50		75		33
Liabilities held for sale	39		40		38
Other	140		148		153
Total current liabilities	2,595	[1]	3,118	[1]	2,348	[1]
Long-term liabilities and other deferred credits
Long-term debt	3,607		3,813		3,819
Accumulated deferred income taxes	1,675		1,628		1,534
Regulatory liabilities	1,565	[1]	1,518	[1]	1,510	[1]
Accrued pension and retiree welfare benefits	405		404		510
Accrued environmental remediation liabilities	379		377		406
Derivative instruments	12		5		6
Other	83		74		73
Total long-term liabilities and other deferred credits	7,726	[1]	7,819	[1]	7,858	[1]
Total liabilities and other deferred credits	10,321	[1]	10,937	[1]	10,206	[1]
Equity
Common stock, $5 par value; 750,000,000 shares authorized: outstanding: 119,464,063 shares at June 30, 2014, 118,888,876 shares at December 31, 2013 and 118,560,687 shares at June 30, 2013	598		595		594
Additional paid-in capital	2,073		2,054		2,037
Retained earnings	1,288		1,063		1,072
Accumulated other comprehensive loss	(133)	[3]	(136)	[3]	(209)	[3]
Treasury shares, at cost: 216,523 shares at June 30, 2014 and December 31, 2013 and June 30, 2013	(8)		(8)		(8)
Total common shareholders’ equity	3,818		3,568		3,486
Noncontrolling interest	42		45		16
Total equity	3,860	[1]	3,613	[1]	3,502	[1]
Total liabilities and equity	$ 14,181	[1]	$ 14,550	[1]	$ 13,708	[1]

[1] Amounts revised to include prior period adjustments. See Note 13 for additional information.

[2] Excludes goodwill at Tropical Shipping now classified as held for sale. See Note 12 for additional information.

[3] All amounts are net of income taxes. Amounts in parentheses indicate debits to accumulated other comprehensive loss.