Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended	1 Months Ended	3 Months Ended
Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Feb. 29, 2012 American Entertainment Properties Corp. [Member]	Sep. 30, 2012 Federal-Mogul [Member]
Income Tax Contingency [Line Items]
Income tax benefit (expense)	$ (110)	$ (13)	$ 8	$ (55)
Pre-tax income	210	(39)	643	1,183
Effective income tax rate	52.40%	(33.30%)	(1.20%)	4.60%
Statutory federal rate			35.00%
Release of valuation allowance					159
Decrease in unrecognized tax benefits, effectively settled						$ 298

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems.

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- Definition

The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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- Definition

The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to changes in the valuation allowance for deferred tax assets in the period.

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