Income Taxes (Tables)

12 Months Ended

Dec. 31, 2013

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

Income tax provisions (benefits) for continuing operations were:

	2013							2012									2011
(In millions)	Current		Deferred			Total		Current			Deferred			Total			Current			Deferred			Total
Federal	$	63	$	(46	)	$	17	$	(80	)	$	(30	)	$	(110	)	$	(193	)	$	(217	)	$	(410	)
State and local	44		1			45		(23		)	47			24			24			82			106
Foreign	3,290		(15		)	3,275		4,844			(241		)	4,603			3,088			(58		)	3,030
Total	$	3,397	$	(60	)	$	3,337	$	4,741		$	(224	)	$	4,517		$	2,919		$	(193	)	$	2,726

Schedule of Effective Income Tax Rate Reconciliation

A reconciliation of the federal statutory income tax rate applied to income from continuing operations before income taxes to the provision for income taxes follows:

	2013		2012		2011
Statutory rate applied to income from continuing operations before income taxes	35	%	35	%	35	%
Effects of foreign operations, including foreign tax credits	14		18		6
Change in permanent reinvestment assertion	—		—		5
Adjustments to valuation allowances	18		21		14
Tax law changes	—		—		1
Other	1		—		—
Effective income tax rate on continuing operations	68	%	74	%	61	%

Schedule of Deferred Tax Assets and Liabilities

Deferred tax assets and liabilities resulted from the following:

	December 31,
(In millions)	2013			2012
Deferred tax assets:
Employee benefits	$	387		$	510
Operating loss carryforwards	284			368
Foreign tax credits	5,730			4,351
Other	98			121
Valuation allowances:
Federal	(2,997		)	(2,067		)
State, net of federal benefit	(67		)	(60		)
Foreign	(149		)	(210		)
Total deferred tax assets	3,286			3,013
Deferred tax liabilities:
Property, plant and equipment	4,018			3,691
Investments in subsidiaries and affiliates	794			840
Other	67			12
Total deferred tax liabilities	4,879			4,543
Net deferred tax liabilities	$	1,593		$	1,530

Net Deferred Tax Assets Liabilities Table

Net deferred tax liabilities were classified in the consolidated balance sheets as follows:

	December 31,
(In millions)	2013		2012
Assets:
Other current assets	$	53	$	57
Other noncurrent assets	847		849
Liabilities:
Other current liabilities	1		4
Noncurrent deferred tax liabilities	2,492		2,432
Net deferred tax liabilities	$	1,593	$	1,530

Income Tax Returns Remaining Subject To Examination Table

As of December 31, 2013, our income tax returns remain subject to examination in the following major tax jurisdictions for the tax years indicated:

United States(a)	2004-2012
Canada	2008-2012
Equatorial Guinea	2007-2012
Libya	2006-2012
Norway	2008-2012
United Kingdom	2008-2012

^(a)  Includes federal and state jurisdictions.

Summary Of Activity In Unrecognized Tax Benefits Table

The following table summarizes the activity in unrecognized tax benefits:

(In millions)	2013			2012			2011
Beginning balance	$	98		$	157		$	103
Additions for tax positions related to the current year	14			—			4
Additions for tax positions of prior years	66			81			87
Reductions for tax positions of prior years	(25		)	(67		)	(29		)
Settlements	(5		)	(72		)	(8		)
Statute of limitations	(2		)	(1		)	—
Ending balance	$	146		$	98		$	157