Income Taxes (Tables)

12 Months Ended

Dec. 31, 2015

Valuation Allowance [Line Items]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

Our income tax (provision) benefit from continuing operations consisted of the following:

	Year Ended December 31,
(Dollars in millions)	2015			2014			2013
Total current provision	$	(303	)	$	(350	)	$	(177	)
Total deferred benefit	448			66			33
(Provision) Benefit for Income Taxes	$	145		$	(284	)	$	(144	)

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

The difference between the income tax (provision) benefit at the Swiss federal income tax rate and the income tax (provision) benefit attributable to “Loss Before Income Taxes” for each of the three years ended December 31, 2015, 2014 and 2013 is analyzed below:

	Year Ended December 31,
(Dollars in millions)	2015			2014			2013
Swiss federal income tax rate at 7.83%	$	164		$	20		$	13
Tax on operating earnings subject to rates different than the Swiss federal income tax rate	411			(70		)	89
Tax on divestitures gains subject to different tax rate	—			(109		)	—
Non-cash tax expense on distribution of subsidiary earnings	(265		)	—			—
Change in valuation allowance	(159		)	(222		)	(264		)
Change in uncertain tax positions	(6		)	97			18
(Provision) Benefit for Income Taxes	$	145		$	(284	)	$	(144	)

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

The components of the net deferred tax asset (liability) attributable to continuing operations were as follows: 

	December 31,
(Dollars in millions)	2015			2014
Net operating losses carryforwards	$	972		$	600
Accrued liabilities and reserves	190			235
Tax credit carryforwards	102			103
Employee benefits	52			70
Inventory	64			70
Other differences between financial and tax basis	267			108
Valuation allowance	(868		)	(732		)
Total deferred tax assets	779			454
Deferred tax liabilities:
Property, plant and equipment	(53		)	(324		)
Intangible assets	(209		)	(206		)
Deferred Income	(21		)	(22		)
Undistributed Subsidiary Earnings	(179		)	—
Other differences between financial and tax basis	(12		)	(21		)
Total deferred tax liabilities	(474		)	(573		)
Net deferred tax asset (liability)	$	305		$	(119	)

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

A tabular reconciliation of the total amounts of uncertain tax positions at the beginning and end of the period is as follows:

	Year Ended December 31,
(Dollars in millions)	2015			2014			2013
Balance at beginning of year	$	235		$	289		$	296
Additions as a result of tax positions taken during a prior period	28			23			64
Reductions as a result of tax positions taken during a prior period	(9		)	(35		)	(12		)
Additions as a result of tax positions taken during the current period	5			2			31
Reductions relating to settlements with taxing authorities	(46		)	(24		)	(60		)
Reductions as a result of a lapse of the applicable statute of limitations	(7		)	(9		)	(19		)
Foreign exchange effects	(11		)	(11		)	(11		)
Balance at end of year	$	195		$	235		$	289

Summary of Income Tax Contingencies [Table Text Block]

We are subject to income tax in many of the over 100 countries where we operate. As of December 31, 2015, the following table summarizes the tax years that remain subject to examination for the major jurisdictions in which we operate: 

Canada	2008 - 2015
Mexico	2007 - 2015
Russia	2013 - 2015
Switzerland	2010 - 2015
United States	2010 - 2015
Venezuela	2010 - 2015