XML 93 R72.htm IDEA: XBRL DOCUMENT
v3.3.1.900

STOCKHOLDERS' EQUITY: (Details 2) - USD ($) $ / shares in Units, $ in Millions | 1 Months Ended | 3 Months Ended | 12 Months Ended | 60 Months Ended | 96 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2015 | Nov. 30, 2015 | Oct. 31, 2015 | Sep. 30, 2015 | Aug. 31, 2015 | Jul. 31, 2015 | Apr. 30, 2015 | Mar. 31, 2015 | Feb. 28, 2015 | Jan. 31, 2015 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2015 | Dec. 31, 2008
SCC share repurchase program: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount authorized for share repurchase program | $ 3,000.0 |  |  |  |  |  |  |  |  |  | $ 3,000.0 |  |  |  | $ 3,000.0 |  |  |  | $ 3,000.0 | $ 500.0
Total Number of Shares Purchased | 4,448,900 | 4,635,000 | 1,525,000 | 3,724,273 | 6,160,000 | 1,603,800 | 1,511,200 | 4,563,649 | 2,590,076 | 5,927,154 | 10,608,900 | 11,488,073 | 1,511,200 | 13,080,879 | 36,689,052 | 22,711,428 | 10,245,000 | 46,914,486 | 116,559,966 |
Average Price Paid per Share (in dollars per share) | $ 25.61 | $ 26.59 | $ 28.08 | $ 26.69 | $ 26.90 | $ 27.84 | $ 29.42 | $ 29.16 | $ 29.45 | $ 27.12 | $ 26.39 | $ 26.97 | $ 29.42 | $ 29.29 | $ 27.38 | $ 30.06 | $ 27.47 | $ 18.72 | $ 24.42 |
Total Number of Shares Purchased as Part of Publicly Announced Plan | 116,559,966 | 112,111,066 | 107,476,066 | 105,951,066 | 102,226,793 | 96,066,793 | 94,462,993 | 92,951,793 | 88,388,144 | 85,798,068 | 116,559,966 | 105,951,066 |  | 92,951,793 | 116,559,966 | 79,870,914 | 57,159,486 | 46,914,486 | 116,559,966 |
Maximum Number of Shares that May Yet Be Purchased Under the Plan @ $26.12 | 5,871,706.00 |  |  |  |  |  |  |  |  |  | 5,871,706.00 |  |  |  | 5,871,706.00 |  |  |  | 5,871,706.00 |
Total Cost | $ 114.0 | $ 123.2 | $ 42.8 | $ 99.4 | $ 165.7 | $ 44.7 | $ 44.5 | $ 133.1 | $ 76.3 | $ 160.7 | $ 280.0 | $ 309.8 | $ 44.5 | $ 370.1 | $ 1,004.4 | $ 682.8 | $ 281.4 | $ 878.1 | $ 2,846.6 |
Percentage of Ownership by Parent | 88.60% |  |  |  |  |  |  |  |  |  | 88.60% |  |  |  | 88.60% | 84.60% |  |  | 88.60% |

X
- Definition Represents the percentage of stock owned by parent. + References No definition available. + Details
Name: | scco_PercentageOfOwnershipByParent
Namespace Prefix: | scco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | scco_StockRepurchaseProgramAbstract
Namespace Prefix: | scco_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the total number of shares purchased under the stock repurchase program as part of the publicly announced plan. + References No definition available. + Details
Name: | scco_TreasuryStockSharesAcquiredCumulative
Namespace Prefix: | scco_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
Name: | us-gaap_TreasuryStockAcquiredAverageCostPerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares that have been repurchased during the period and are being held in treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 + Details
Name: | us-gaap_TreasuryStockSharesAcquired
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_TreasuryStockValueAcquiredCostMethod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration