XML 21 R50.htm IDEA: XBRL DOCUMENT
v2.4.0.6

STOCKHOLDERS'EQUITY: (Details 3) | 6 Months Ended
--- | ---
Jun. 30, 2012 | Jun. 30, 2011
Directors' Stock Award Plan |  |
Share based compensation plan |  |
Common shares received on election as director | 1,200 |
Additional shares issued at each annual general meeting | 1,200 |
Total SCC shares reserved for the plan | 600,000 | 600,000
Activity in directors' stock award plan |  |
Granted at the beginning of the period (in shares) | (271,200) | (256,800)
Granted in the period (in shares) | (14,400) | (14,400)
Granted at the end of the period (in shares) | (285,600) | (271,200)
Remaining shares reserved | 314,400 | 328,800
Employee Stock Purchase Plan |  |
Share based compensation |  |
Percentage of title acquire by employee in every two years on shares paid in previous two years | 50.00% |
The period describing the expiration of the contribution period and the bonus eligibility | 8 years |
Bonus shares granted to participant (as a ratio) | 0.1 |
Employee Stock Purchase Plan | Voluntary resignation |  |
Share based compensation |  |
Deduction over the amount to be paid to the employee on termination of employment after first year (as a percent) | 90.00% |
Deduction over the amount to be paid to the employee on termination of employment after second year (as a percent) | 80.00% |
Deduction over the amount to be paid to the employee on termination of employment after third year (as a percent) | 70.00% |
Deduction over the amount to be paid to the employee on termination of employment after fourth year (as a percent) | 60.00% |
Deduction over the amount to be paid to the employee on termination of employment after fifth year (as a percent) | 50.00% |
Deduction over the amount to be paid to the employee on termination of employment after sixth year (as a percent) | 40.00% |
Deduction over the amount to be paid to the employee on termination of employment after seventh year (as a percent) | 20.00% |
Employee Stock Purchase Plan | Involuntary termination |  |
Share based compensation |  |
Deduction over the amount to be paid to the employee on termination of employment after first year (as a percent) | 100.00% |
Deduction over the amount to be paid to the employee on termination of employment after second year (as a percent) | 95.00% |
Deduction over the amount to be paid to the employee on termination of employment after third year (as a percent) | 90.00% |
Deduction over the amount to be paid to the employee on termination of employment after fourth year (as a percent) | 80.00% |
Deduction over the amount to be paid to the employee on termination of employment after fifth year (as a percent) | 70.00% |
Deduction over the amount to be paid to the employee on termination of employment after sixth year (as a percent) | 60.00% |
Deduction over the amount to be paid to the employee on termination of employment after seventh year (as a percent) | 50.00% |

X
- Definition Represents the additional number of shares issued to the director at each annual general meeting. + References No definition available. + Details
Name: | scco_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalAnnualSharesGrantedToDirectors
Namespace Prefix: | scco_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the ratio of bonus granted to the participant upon meeting the eligibility period of the share based compensation plan. + References No definition available. + Details
Name: | scco_ShareBasedCompensationArrangementByShareBasedPaymentAwardBonusGrantedAtTheEndOfExpirationTerm
Namespace Prefix: | scco_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition The period after which the employee has purchased shares through the plan through payroll deductions and is therefore eligible for the bonus grant. + References No definition available. + Details
Name: | scco_ShareBasedCompensationArrangementByShareBasedPaymentAwardContributionExpirationAndBonusGrant
Namespace Prefix: | scco_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Upon voluntary or involuntary termination of employment, represents the deduction from the amount payable to the employee if the terminating event takes place the fifth year after the grant date, as a percent. The amount payable to the employee is the fair market sales price per fully paid share, net costs and taxes when the fair market value exceeds the purchase price. + References No definition available. + Details
Name: | scco_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPercentageOfDeductionInFairMarketSalesValueAfterFifthYear
Namespace Prefix: | scco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Upon voluntary or involuntary termination of employment, represents the deduction from the amount payable to the employee if the terminating event takes place the first year after the grant date, as a percent. The amount payable to the employee is the fair market sales price per fully paid share, net costs and taxes when the fair market value exceeds the purchase price. + References No definition available. + Details
Name: | scco_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPercentageOfDeductionInFairMarketSalesValueAfterFirstYear
Namespace Prefix: | scco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Upon voluntary or involuntary termination of employment, represents the deduction from the amount payable to the employee if the terminating event takes place the fourth year after the grant date, as a percent. The amount payable to the employee is the fair market sales price per fully paid share, net costs and taxes when the fair market value exceeds the purchase price. + References No definition available. + Details
Name: | scco_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPercentageOfDeductionInFairMarketSalesValueAfterFourthYear
Namespace Prefix: | scco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Upon voluntary or involuntary termination of employment, represents the deduction from the amount payable to the employee if the terminating event takes place the second year after the grant date, as a percent. The amount payable to the employee is the fair market sales price per fully paid share, net costs and taxes when the fair market value exceeds the purchase price. + References No definition available. + Details
Name: | scco_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPercentageOfDeductionInFairMarketSalesValueAfterSecondYear
Namespace Prefix: | scco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Upon voluntary or involuntary termination of employment, represents the deduction from the amount payable to the employee if the terminating event takes place the seventh year after the grant date, as a percent. The amount payable to the employee is the fair market sales price per fully paid share, net costs and taxes when the fair market value exceeds the purchase price. + References No definition available. + Details
Name: | scco_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPercentageOfDeductionInFairMarketSalesValueAfterSeventhYear
Namespace Prefix: | scco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Upon voluntary or involuntary termination of employment, represents the deduction from the amount payable to the employee if the terminating event takes place the sixth year after the grant date, as a percent. The amount payable to the employee is the fair market sales price per fully paid share, net costs and taxes when the fair market value exceeds the purchase price. + References No definition available. + Details
Name: | scco_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPercentageOfDeductionInFairMarketSalesValueAfterSixthYear
Namespace Prefix: | scco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Upon voluntary or involuntary termination of employment, represents the deduction from the amount payable to the employee if the terminating event takes place the third year after the grant date, as a percent. The amount payable to the employee is the fair market sales price per fully paid share, net costs and taxes when the fair market value exceeds the purchase price. + References No definition available. + Details
Name: | scco_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPercentageOfDeductionInFairMarketSalesValueAfterThirdYear
Namespace Prefix: | scco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the percentage of title acquired by the employee in every two years on shares paid in previous two years. + References No definition available. + Details
Name: | scco_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfTitleAcquiredByEmployeeEveryTwoYearsOnSharesPaidInPreviousTwoYears
Namespace Prefix: | scco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of shares issued to the director at the time of election. + References No definition available. + Details
Name: | scco_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesGrantedOnElectionToDirectors
Namespace Prefix: | scco_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of shares granted under the share based compensation arrangement plan as of the balance sheet date. + References No definition available. + Details
Name: | scco_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesGrants
Namespace Prefix: | scco_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the number of shares granted during the period under share based compensation arrangement. + References No definition available. + Details
Name: | scco_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesGrantsInPeriod
Namespace Prefix: | scco_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | scco_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesGrantsRollForward
Namespace Prefix: | scco_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

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

X
- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant