XML 123 R110.htm IDEA: XBRL DOCUMENT v2.4.1.9

Impairment, Restructuring Charges and Other Related Closure Costs - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended			3 Months Ended	0 Months Ended	3 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Dec. 10, 2012	Sep. 30, 2014 Employees
Restructuring Cost and Reserve [Line Items]
Impairment charges	$ 24us-gaap_AssetImpairmentCharges	$ 109us-gaap_AssetImpairmentCharges	$ 1,268us-gaap_AssetImpairmentCharges
Impairment charges on intangibles			4us-gaap_ImpairmentOfIntangibleAssetsFinitelived
Restructuring charges and other related closure costs	66us-gaap_RestructuringCharges	183us-gaap_RestructuringCharges	108us-gaap_RestructuringCharges
Termination benefits for employees	41us-gaap_SeveranceCosts1	178us-gaap_SeveranceCosts1	84us-gaap_SeveranceCosts1
Other related closure costs	25us-gaap_OtherRestructuringCosts	5us-gaap_OtherRestructuringCosts	24us-gaap_OtherRestructuringCosts
Expected payment	32us-gaap_RestructuringReserveCurrent	65us-gaap_RestructuringReserveCurrent
Restructuring charges and other related closure costs	86us-gaap_PaymentsForRestructuring
Digital Convergence Group ("DCG") [Member]
Restructuring Cost and Reserve [Line Items]
Impairment charges		56us-gaap_AssetImpairmentCharges / us-gaap_StatementBusinessSegmentsAxis = stm_DigitalConvergenceGroupMember
Digital Convergence Group ("DCG") [Member] | Goodwill [Member]
Restructuring Cost and Reserve [Line Items]
Impairment charges		38us-gaap_AssetImpairmentCharges / us-gaap_FairValueByAssetClassAxis = us-gaap_GoodwillMember / us-gaap_StatementBusinessSegmentsAxis = stm_DigitalConvergenceGroupMember
Digital Convergence Group ("DCG") [Member] | Dedicated Intangible Assets [Member]
Restructuring Cost and Reserve [Line Items]
Impairment charges	23us-gaap_AssetImpairmentCharges / us-gaap_FairValueByAssetClassAxis = stm_IntangibleAssetsImpairmentMember / us-gaap_StatementBusinessSegmentsAxis = stm_DigitalConvergenceGroupMember	18us-gaap_AssetImpairmentCharges / us-gaap_FairValueByAssetClassAxis = stm_IntangibleAssetsImpairmentMember / us-gaap_StatementBusinessSegmentsAxis = stm_DigitalConvergenceGroupMember
Digital Convergence Group ("DCG") [Member] | Other Intangible Assets [Member]
Restructuring Cost and Reserve [Line Items]
Impairment charges	1us-gaap_AssetImpairmentCharges / us-gaap_FairValueByAssetClassAxis = us-gaap_OtherIntangibleAssetsMember / us-gaap_StatementBusinessSegmentsAxis = stm_DigitalConvergenceGroupMember
Embedded Processing Solutions (EPS) [Member] | Wireless ("WPS") [Member]
Restructuring Cost and Reserve [Line Items]
Impairment charges			1,234us-gaap_AssetImpairmentCharges / us-gaap_ProductOrServiceAxis = stm_WirelessMember / us-gaap_StatementBusinessSegmentsAxis = stm_EmbeddedProcessingSolutionsMember	690us-gaap_AssetImpairmentCharges / us-gaap_ProductOrServiceAxis = stm_WirelessMember / us-gaap_StatementBusinessSegmentsAxis = stm_EmbeddedProcessingSolutionsMember
Carrollton [Member]
Restructuring Cost and Reserve [Line Items]
Impairment charges			21us-gaap_AssetImpairmentCharges / us-gaap_StatementBusinessSegmentsAxis = stm_CarrolltonMember
Goodwill and Other Intangible Assets [Member] | Embedded Processing Solutions (EPS) [Member] | Wireless ("WPS") [Member]
Restructuring Cost and Reserve [Line Items]
Impairment charges			544us-gaap_AssetImpairmentCharges / us-gaap_ProductOrServiceAxis = stm_WirelessMember / us-gaap_RestructuringCostAndReserveAxis = stm_GoodwillAndOtherIntangibleAssetsMember / us-gaap_StatementBusinessSegmentsAxis = stm_EmbeddedProcessingSolutionsMember
Goodwill [Member] | Embedded Processing Solutions (EPS) [Member] | Wireless ("WPS") [Member]
Restructuring Cost and Reserve [Line Items]
Impairment charges			922us-gaap_AssetImpairmentCharges / us-gaap_ProductOrServiceAxis = stm_WirelessMember / us-gaap_RestructuringCostAndReserveAxis = stm_GoodwillImpairmentChargesMember / us-gaap_StatementBusinessSegmentsAxis = stm_EmbeddedProcessingSolutionsMember
Contractual Customer Relationships [Member] | Embedded Processing Solutions (EPS) [Member] | Wireless ("WPS") [Member]
Restructuring Cost and Reserve [Line Items]
Impairment charges			261us-gaap_AssetImpairmentCharges / us-gaap_ProductOrServiceAxis = stm_WirelessMember / us-gaap_RestructuringCostAndReserveAxis = us-gaap_CustomerRelationshipsMember / us-gaap_StatementBusinessSegmentsAxis = stm_EmbeddedProcessingSolutionsMember
Capitalized Software [Member] | Embedded Processing Solutions (EPS) [Member] | Wireless ("WPS") [Member]
Restructuring Cost and Reserve [Line Items]
Impairment charges			45us-gaap_AssetImpairmentCharges / us-gaap_ProductOrServiceAxis = stm_WirelessMember / us-gaap_RestructuringCostAndReserveAxis = us-gaap_ComputerSoftwareIntangibleAssetMember / us-gaap_StatementBusinessSegmentsAxis = stm_EmbeddedProcessingSolutionsMember
Acquired technology [Member] | Embedded Processing Solutions (EPS) [Member] | Wireless ("WPS") [Member]
Restructuring Cost and Reserve [Line Items]
Impairment charges			6us-gaap_AssetImpairmentCharges / us-gaap_ProductOrServiceAxis = stm_WirelessMember / us-gaap_RestructuringCostAndReserveAxis = us-gaap_TechnologyEquipmentMember / us-gaap_StatementBusinessSegmentsAxis = stm_EmbeddedProcessingSolutionsMember
Veredus [Member]
Restructuring Cost and Reserve [Line Items]
Impairment charges		5us-gaap_AssetImpairmentCharges / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = stm_VeredusMember
Manufacturing Consolidation [Member]
Restructuring Cost and Reserve [Line Items]
Impairment charges		29us-gaap_AssetImpairmentCharges / us-gaap_RestructuringPlanAxis = stm_ManufacturingConsolidationMember
Restructuring charges and other related closure costs	12us-gaap_RestructuringCharges / us-gaap_RestructuringPlanAxis = stm_ManufacturingConsolidationMember
Termination benefits for employees	8us-gaap_SeveranceCosts1 / us-gaap_RestructuringPlanAxis = stm_ManufacturingConsolidationMember	8us-gaap_SeveranceCosts1 / us-gaap_RestructuringPlanAxis = stm_ManufacturingConsolidationMember
Other related closure costs	4us-gaap_OtherRestructuringCosts / us-gaap_RestructuringPlanAxis = stm_ManufacturingConsolidationMember
Pre-tax charges incurred	20us-gaap_RestructuringAndRelatedCostCostIncurredToDate1 / us-gaap_RestructuringPlanAxis = stm_ManufacturingConsolidationMember
Manufacturing Consolidation [Member] | Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges and other related closure costs	8us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = stm_EmployeeTerminationBenefitsMember / us-gaap_RestructuringPlanAxis = stm_ManufacturingConsolidationMember	8us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = stm_EmployeeTerminationBenefitsMember / us-gaap_RestructuringPlanAxis = stm_ManufacturingConsolidationMember
Manufacturing Consolidation [Member] | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges and other related closure costs	4us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = us-gaap_FacilityClosingMember / us-gaap_RestructuringPlanAxis = stm_ManufacturingConsolidationMember
ST-Ericsson Exit [Member]
Restructuring Cost and Reserve [Line Items]
Impairment charges		17us-gaap_AssetImpairmentCharges / us-gaap_RestructuringPlanAxis = stm_StEricssonExitMember	544us-gaap_AssetImpairmentCharges / us-gaap_RestructuringPlanAxis = stm_StEricssonExitMember
Termination benefits for employees		69us-gaap_SeveranceCosts1 / us-gaap_RestructuringPlanAxis = stm_StEricssonExitMember
ST-Ericsson Exit [Member] | Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges and other related closure costs		69us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = stm_EmployeeTerminationBenefitsMember / us-gaap_RestructuringPlanAxis = stm_StEricssonExitMember
ST-Ericsson Exit [Member] | Employee Termination Benefits [Member] | SWEDEN [Member]
Restructuring Cost and Reserve [Line Items]
Adjustments for unused provisions		31us-gaap_RestructuringReserveAccrualAdjustment / us-gaap_RestructuringCostAndReserveAxis = stm_EmployeeTerminationBenefitsMember / us-gaap_RestructuringPlanAxis = stm_StEricssonExitMember / us-gaap_StatementGeographicalAxis = country_SE
Digital Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Impairment charges		2us-gaap_AssetImpairmentCharges / us-gaap_RestructuringPlanAxis = stm_DigitalRestructuringPlanMember	7us-gaap_AssetImpairmentCharges / us-gaap_RestructuringPlanAxis = stm_DigitalRestructuringPlanMember
Impairment charges on intangibles			7us-gaap_ImpairmentOfIntangibleAssetsFinitelived / us-gaap_RestructuringPlanAxis = stm_DigitalRestructuringPlanMember
Restructuring charges and other related closure costs		16us-gaap_RestructuringCharges / us-gaap_RestructuringPlanAxis = stm_DigitalRestructuringPlanMember
Termination benefits for employees		1us-gaap_SeveranceCosts1 / us-gaap_RestructuringPlanAxis = stm_DigitalRestructuringPlanMember	13us-gaap_SeveranceCosts1 / us-gaap_RestructuringPlanAxis = stm_DigitalRestructuringPlanMember
Other related closure costs		2us-gaap_OtherRestructuringCosts / us-gaap_RestructuringPlanAxis = stm_DigitalRestructuringPlanMember
Digital Restructuring Plan [Member] | Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges and other related closure costs			13us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = stm_EmployeeTerminationBenefitsMember / us-gaap_RestructuringPlanAxis = stm_DigitalRestructuringPlanMember
Other Restructuring Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges and other related closure costs			11us-gaap_RestructuringCharges / us-gaap_RestructuringPlanAxis = stm_OtherRestructuringInitiativesMember
Termination benefits for employees		6us-gaap_SeveranceCosts1 / us-gaap_RestructuringPlanAxis = stm_OtherRestructuringInitiativesMember
Other related closure costs			8us-gaap_OtherRestructuringCosts / us-gaap_RestructuringPlanAxis = stm_OtherRestructuringInitiativesMember
Other Restructuring Initiatives [Member] | Long Lived Assets [Member]
Restructuring Cost and Reserve [Line Items]
Impairment charges			2us-gaap_AssetImpairmentCharges / us-gaap_PropertyPlantAndEquipmentByTypeAxis = stm_LongLivedAssetsMember / us-gaap_RestructuringPlanAxis = stm_OtherRestructuringInitiativesMember
Other Restructuring Initiatives [Member] | Digital Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges and other related closure costs		9us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = us-gaap_OtherRestructuringMember / us-gaap_RestructuringPlanAxis = stm_OtherRestructuringInitiativesMember
$600-650 Million Net Opex Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges and other related closure costs	112us-gaap_RestructuringCharges / us-gaap_RestructuringPlanAxis = stm_SixHundredToSixHundredAndFiftyMillionNetOpexPlanMember
Termination benefits for employees	17us-gaap_SeveranceCosts1 / us-gaap_RestructuringPlanAxis = stm_SixHundredToSixHundredAndFiftyMillionNetOpexPlanMember	88us-gaap_SeveranceCosts1 / us-gaap_RestructuringPlanAxis = stm_SixHundredToSixHundredAndFiftyMillionNetOpexPlanMember
Other related closure costs	7us-gaap_OtherRestructuringCosts / us-gaap_RestructuringPlanAxis = stm_SixHundredToSixHundredAndFiftyMillionNetOpexPlanMember
$600-650 Million Net Opex Plan [Member] | Minimum [Member]
Restructuring Cost and Reserve [Line Items]
Net operating expenses					600stm_NetOperatingExpenses / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_RestructuringPlanAxis = stm_SixHundredToSixHundredAndFiftyMillionNetOpexPlanMember
$600-650 Million Net Opex Plan [Member] | Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Net operating expenses					650stm_NetOperatingExpenses / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_RestructuringPlanAxis = stm_SixHundredToSixHundredAndFiftyMillionNetOpexPlanMember
$600-650 Million Net Opex Plan [Member] | Employee Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges and other related closure costs		88us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = stm_EmployeeTerminationBenefitsMember / us-gaap_RestructuringPlanAxis = stm_SixHundredToSixHundredAndFiftyMillionNetOpexPlanMember
$600-650 Million Net Opex Plan [Member] | Employee Termination Benefits [Member] | Europe [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges and other related closure costs	24us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = stm_EmployeeTerminationBenefitsMember / us-gaap_RestructuringPlanAxis = stm_SixHundredToSixHundredAndFiftyMillionNetOpexPlanMember / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember
EPS Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Number of employees affected						450us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated / us-gaap_RestructuringPlanAxis = stm_EpsRestructuringPlanMember
Restructuring charges and other related closure costs	30us-gaap_RestructuringCharges / us-gaap_RestructuringPlanAxis = stm_EpsRestructuringPlanMember
Termination benefits for employees	16us-gaap_SeveranceCosts1 / us-gaap_RestructuringPlanAxis = stm_EpsRestructuringPlanMember
Other related closure costs	14us-gaap_OtherRestructuringCosts / us-gaap_RestructuringPlanAxis = stm_EpsRestructuringPlanMember
Pre-tax charges incurred	30us-gaap_RestructuringAndRelatedCostCostIncurredToDate1 / us-gaap_RestructuringPlanAxis = stm_EpsRestructuringPlanMember
EPS Restructuring Plan [Member] | Minimum [Member]
Restructuring Cost and Reserve [Line Items]
Expected to result in pre-tax charges	65us-gaap_RestructuringAndRelatedCostExpectedCost1 / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_RestructuringPlanAxis = stm_EpsRestructuringPlanMember
EPS Restructuring Plan [Member] | Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Expected to result in pre-tax charges	70us-gaap_RestructuringAndRelatedCostExpectedCost1 / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_RestructuringPlanAxis = stm_EpsRestructuringPlanMember
ST-Ericsson Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges and other related closure costs		9us-gaap_RestructuringCharges / us-gaap_RestructuringPlanAxis = stm_StEricssonRestructuringPlanMember
Termination benefits for employees		6us-gaap_SeveranceCosts1 / us-gaap_RestructuringPlanAxis = stm_StEricssonRestructuringPlanMember	1us-gaap_SeveranceCosts1 / us-gaap_RestructuringPlanAxis = stm_StEricssonRestructuringPlanMember
Other related closure costs		3us-gaap_OtherRestructuringCosts / us-gaap_RestructuringPlanAxis = stm_StEricssonRestructuringPlanMember
ST-Ericsson April 2012 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges and other related closure costs			64us-gaap_RestructuringCharges / us-gaap_RestructuringPlanAxis = stm_CompanyRestructuringPlanForYearOneMember
Termination benefits for employees			60us-gaap_SeveranceCosts1 / us-gaap_RestructuringPlanAxis = stm_CompanyRestructuringPlanForYearOneMember
Other related closure costs			4us-gaap_OtherRestructuringCosts / us-gaap_RestructuringPlanAxis = stm_CompanyRestructuringPlanForYearOneMember
ST-Ericsson Cost Savings Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges and other related closure costs			20us-gaap_RestructuringCharges / us-gaap_RestructuringPlanAxis = stm_CompanyCostSavingsPlanMember
Manufacturing Restructuring Plans [Member]
Restructuring Cost and Reserve [Line Items]
Impairment charges			21us-gaap_AssetImpairmentCharges / us-gaap_RestructuringPlanAxis = stm_ManufacturingRestructuringPlanMember
Other related closure costs			2us-gaap_OtherRestructuringCosts / us-gaap_RestructuringPlanAxis = stm_ManufacturingRestructuringPlanMember
Pre-tax charges incurred	313us-gaap_RestructuringAndRelatedCostCostIncurredToDate1 / us-gaap_RestructuringPlanAxis = stm_ManufacturingRestructuringPlanMember
Manufacturing Restructuring Plans [Member] | Minimum [Member]
Restructuring Cost and Reserve [Line Items]
Expected to result in pre-tax charges	270us-gaap_RestructuringAndRelatedCostExpectedCost1 / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_RestructuringPlanAxis = stm_ManufacturingRestructuringPlanMember
Manufacturing Restructuring Plans [Member] | Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Expected to result in pre-tax charges	$ 300us-gaap_RestructuringAndRelatedCostExpectedCost1 / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_RestructuringPlanAxis = stm_ManufacturingRestructuringPlanMember

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Net Operating Expenses

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation.

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