XML 24 R52.htm IDEA: XBRL DOCUMENT v2.4.0.6

STOCKHOLDERS' EQUITY: (Details 2) (Employee stock purchase plan)	3 Months Ended
	Mar. 31, 2012
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 (in years)	8
Ratio of bonus shares granted to employee, numerator	1
Ratio of bonus shares granted to employee, denominator	10
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%
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 denominator of the ratio of bonus shares granted to the participant upon meeting the eligibility period of the share based compensation plan.

+ References

No definition available.

+ Details

Name:	scco_ShareBasedCompensationArrangementByShareBasedPaymentAwardBonusGrantedAtTheEndOfExpirationTermDenominator
Namespace Prefix:	scco_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the numerator of the ratio of bonus shares granted to the participant upon meeting the eligibility period of the share based compensation plan.

+ References

No definition available.

+ Details

Name:	scco_ShareBasedCompensationArrangementByShareBasedPaymentAwardBonusGrantedAtTheEndOfExpirationTermNumerator
Namespace Prefix:	scco_
Data Type:	xbrli:integerItemType
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:stringItemType
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

- Details

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