Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 45,225		$ 49,042
Receivables, net	713,067		678,123
Inventories	282,391		317,415
Deferred income taxes	25,048		22,846
Commodity derivative instruments	1,447		18,304
Prepayments and other current assets	49,510		42,351
Total current assets	1,116,688		1,128,081
Investments	112,939		103,243
Property, plant and equipment (Note 1)	8,803,866		8,107,751
Less accumulated depreciation, depletion and amortization	3,872,487		3,608,912
Net property, plant and equipment	4,931,379		4,498,839
Deferred charges and other assets:
Goodwill (Note 5)	636,039	[1]	636,039	[1]
Other intangible assets, net (Note 5)	13,099		17,129
Other	251,188		299,160
Total deferred charges and other assets	900,326		952,328
Total assets	7,061,332		6,682,491
Current liabilities:
Short-term borrowings (Note 9)	11,500		28,200
Long-term debt due within one year	12,277		134,108
Accounts payable	404,961		388,015
Taxes payable	74,175		46,475
Dividends payable	33,737		171
Accrued compensation	69,661		48,448
Commodity derivative instruments	7,483		0
Other accrued liabilities	171,106		204,698
Total current liabilities	784,900		850,115
Long-term debt (Note 9)	1,842,286		1,610,867
Deferred credits and other liabilities:
Deferred income taxes	859,306		755,102
Other liabilities	718,938		818,159
Total deferred credits and other liabilities	1,578,244		1,573,261
Equity:
Preferred stocks (Note 11)	15,000		15,000
Common stockholders' equity:
Common stock (Note 12) Authorized - 500,000,000 shares, $1.00 par value Issued - 189,868,780 shares in 2013 and 189,369,450 shares in 2012	189,869		189,369
Other paid-in capital	1,056,996		1,039,080
Retained earnings	1,603,130		1,457,146
Accumulated other comprehensive loss	(38,205)		(48,721)
Treasury stock at cost - 538,921 shares	(3,626)		(3,626)
Total common stockholders' equity	2,808,164		2,633,248
Total stockholders' equity	2,823,164		2,648,248
Noncontrolling interest	32,738		0
Total equity	2,855,902		2,648,248
Total liabilities and equity	$ 7,061,332		$ 6,682,491

[1] Balance is presented net of accumulated impairment of $12.3 million at the pipeline and energy services segment, which occurred in prior periods.