XML 168 R101.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Shareholders' Equity - Summary of Grants under Outstanding Stock Award Plans (Detail) | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012
Employees [Member] |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |
Awards granted, Number of shares | 6,412,045 |
Employees [Member] | Employee Plan 2010 [Member] |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |
Awards granted, Number of shares |  |
Employees [Member] | 2012 CEO Special Bonus [Member] |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |
Awards granted, Number of shares |  |
Employees [Member] | Employee Plan 2012 [Member] |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |
Awards granted, Number of shares |  |
Employees [Member] | Employee Plan 2013 [Member] |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |
Awards granted, Number of shares | 6,412,045 |
2005 [Member] | Supervisory Board [Member] |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |
Year of grant | 2005 |
Options granted and vested | 66,000 |
Options waived at grant | (15,000) |
2006 [Member] | Supervisory Board [Member] |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |
Year of grant | 2006 |
Options granted and vested | 66,000 |
Options waived at grant | (15,000) |
2007 [Member] | Supervisory Board [Member] |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |
Year of grant | 2007 |
Options granted and vested | 165,000 |
Options waived at grant | (22,500) |
2008 [Member] | Supervisory Board [Member] |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |
Year of grant | 2008 |
Options granted and vested | 165,000 |
Options waived at grant | (22,500) |
2009 [Member] | Supervisory Board [Member] |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |
Year of grant | 2009 |
Options granted and vested | 165,000 |
Options waived at grant | (7,500) |
2010 [Member] | Supervisory Board [Member] |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |
Year of grant | 2010 |
Options granted and vested | 172,500 |
Options waived at grant | (7,500) |
2011 [Member] | Supervisory Board [Member] |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |
Year of grant | 2011 |
Options granted and vested | 172,500 |
Options waived at grant | (30,000) |
2012 [Member] | Supervisory Board [Member] |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |
Year of grant | 2012 |
Options granted and vested | 180,000 | 180,000
Options waived at grant | (22,500) | (22,500)
2013 [Member] | Supervisory Board [Member] |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |
Year of grant | 2013 |
Options granted and vested | 0 |
Options waived at grant | 0 |
July 22, 2010 [Member] | Employees [Member] | Employee Plan 2010 [Member] |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |
Grant date of Nonvested share | Jul. 22, 2010 |
Awards granted, Number of shares | 6,344,725 |
Options waived at grant |  |
Share based compensation arrangement by share based payment award, Number of shares lost on performance | (2,076,448) |
December 17, 2010 [Member] | Employees [Member] | Employee Plan 2010 [Member] |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |
Grant date of Nonvested share | Dec. 17, 2010 |
Awards granted, Number of shares | 221,650 |
Options waived at grant |  |
Share based compensation arrangement by share based payment award, Number of shares lost on performance | (73,524) |
July 25, 2011 [Member] | Employees [Member] | Employee Plan 2011 [Member] |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |
Grant date of Nonvested share | Jul. 25, 2011 |
Awards granted, Number of shares | 5,881,630 |
Options waived at grant |  |
Share based compensation arrangement by share based payment award, Number of shares lost on performance | (5,824,445) |
November 14, 2011 [Member] | Employees [Member] | Employee Plan 2011 [Member] |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |
Grant date of Nonvested share | Jul. 14, 2011 |
Awards granted, Number of shares | 95,000 |
Options waived at grant |  |
Share based compensation arrangement by share based payment award, Number of shares lost on performance | (91,540) |
May 30, 2012 [Member] | Employees [Member] | 2012 CEO Special Bonus [Member] |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |
Grant date of Nonvested share | May 30, 2012 |
Awards granted, Number of shares | 100,862 |
Options waived at grant |  |
Share based compensation arrangement by share based payment award, Number of shares lost on performance |  |
July 23, 2012 [Member] | Employees [Member] | Employee Plan 2012 [Member] |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |
Grant date of Nonvested share | Jul. 23, 2012 |
Awards granted, Number of shares | 6,216,285 |
Options waived at grant | (2,400) |
Share based compensation arrangement by share based payment award, Number of shares lost on performance | (1,991,558) |
December 21, 2012 [Member] | Employees [Member] | Employee Plan 2012 [Member] |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |
Grant date of Nonvested share | Dec. 21, 2012 |
Awards granted, Number of shares | 304,480 |
Options waived at grant |  |
Share based compensation arrangement by share based payment award, Number of shares lost on performance | (100,373) |
July 22, 2013 [Member] | Employees [Member] | Employee Plan 2013 [Member] |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |
Grant date of Nonvested share | Jul. 22, 2013 |
Awards granted, Number of shares | 5,750,730 |
Options waived at grant |  |
Share based compensation arrangement by share based payment award, Number of shares lost on performance |  |
December 18, 2013 [Member] | Employees [Member] | Employee Plan 2013 [Member] |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |
Grant date of Nonvested share | Dec. 18, 2013 |
Awards granted, Number of shares | 659,515 |
Options waived at grant |  |
Share based compensation arrangement by share based payment award, Number of shares lost on performance |  |
December 27, 2013 [Member] | Employees [Member] | Employee Plan 2013 [Member] |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |
Grant date of Nonvested share | Dec. 27, 2013 |
Awards granted, Number of shares | 1,800 |
Options waived at grant |  |
Share based compensation arrangement by share based payment award, Number of shares lost on performance |  |

X
- Definition Grant date of Nonvested share. + References No definition available. + Details
Name: | stm_GrantDateOfNonvestedShare
Namespace Prefix: | stm_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | instant

X
- Definition Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Granted And Vested In Period + References No definition available. + Details
Name: | stm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedAndVestedInPeriod
Namespace Prefix: | stm_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Lost On Performance + References No definition available. + Details
Name: | stm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesLostOnPerformance
Namespace Prefix: | stm_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Waived + References No definition available. + Details
Name: | stm_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesWaived
Namespace Prefix: | stm_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Year O Grant Date Of Non vested Share + References No definition available. + Details
Name: | stm_YearGrantDateOfNonVestedShare
Namespace Prefix: | stm_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration