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Contingencies (Narrative) (Details) |  |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Dec. 21, 2016 USD ($) Plantiffs | Dec. 21, 2016 PHP (₱) Plantiffs | Nov. 29, 2016 USD ($) Plantiffs | Nov. 29, 2016 PHP (₱) Plantiffs | Jun. 23, 2014 USD ($) | Jun. 23, 2014 PHP (₱) | Aug. 31, 2017 USD ($) | Dec. 31, 2004 USD ($) | Dec. 31, 2004 PHP (₱)
Republic of the Philippines, Department of Labor and Employment and the National Labor Relations Commission [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Loss Contingency, Damages Awarded, Value |  |  | $ 282,000,000 | ₱ 14,858,495,937 |  |  |  | $ 66,000,000 | ₱ 3,453,664,710
Loss Contingency, Number of Plaintiffs, Award Increase |  |  | 4,922 | 4,922 |  |  |  |  |
Estimated Percentage of Settling Complainants | 18.00% | 18.00% |  |  |  |  |  |  |
Loss Contingency, Number of Plaintiffs | 5,984 | 5,984 | 5,984 | 5,984 |  |  |  |  |
Loss Contingency, Damages Paid Per Complainant | $ 1,300 | ₱ 68,000 |  |  |  |  |  |  |
Mark Lopez Case [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Loss Contingency, Damages Awarded, Value | $ |  |  |  |  |  |  | $ 13,000,000 |  |
Maximum [Member] | Republic of the Philippines, Department of Labor and Employment and the National Labor Relations Commission [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Litigation settlement, amount requested by respondent |  |  |  |  | $ 6,500,000 | ₱ 342,287,800 |  |  |

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