Deferred Tax Assets and Liabilities (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Net operating loss carryforwards	$ 654	$ 788
Postretirement benefits, including pensions	148	123
Research and development costs	110	104
Expense accruals	57	62
Other tax credits recoverable	60	56
Capital loss carryforwards	55	65
Inventory reserves	18us-gaap_DeferredTaxAssetsInventory	17us-gaap_DeferredTaxAssetsInventory
Postemployment and other benefits	4	4
Other	25us-gaap_DeferredTaxAssetsOther	28us-gaap_DeferredTaxAssetsOther
Total	1,131us-gaap_DeferredTaxAssetsGross	1,247us-gaap_DeferredTaxAssetsGross
Valuation allowance	(728)	(982)
Deferred tax assets	403us-gaap_DeferredTaxAssetsNet	265us-gaap_DeferredTaxAssetsNet
Unremitted earnings	(31)	(86)
Intangibles	(41)	(52)
Depreciation	(39)	(39)
Other	(58)us-gaap_DeferredTaxLiabilitiesOther	(59)us-gaap_DeferredTaxLiabilitiesOther
Deferred tax liabilities	(169)us-gaap_DeferredTaxLiabilities	(236)us-gaap_DeferredTaxLiabilities
Net deferred tax assets	$ 234us-gaap_DeferredTaxAssetsLiabilitiesNet	$ 29us-gaap_DeferredTaxAssetsLiabilitiesNet

Deferred Tax Assets, Tax Deferred Expense, Compensation, Benefits, Pension And Other Post Employment Benefits

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from in-process research and development costs expensed in connection with a business combination.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from inventory.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to other deductible tax credit carryforwards not separately disclosed.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation and benefits costs.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of deferred tax liability attributable to taxable temporary differences net of deferred tax asset attributable to deductible temporary differences and carryforwards after valuation allowances.

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Amount of deferred tax liability attributable to taxable temporary differences from intangible assets including goodwill.

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Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.

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Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiaries and other recognized entities not within the country of domicile of the entity.

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