| Entity Registrant Name | Merck & Co. Inc. |
| CIK | 0000310158 |
| Accession number | 0000310158-14-000009 |
| Link to XBRL instance | http://www.sec.gov/Archives/edgar/data/310158/000031015814000009/mrk-20131231.xml |
| Fiscal year end | --12-31 |
| Fiscal year focus | 2013 |
| Fiscal period focus | FY |
| Current balance sheet date | 2013-12-31 |
| Current year-to-date income statement start date | 2013-01-01 |
| Commentary | Did not manually investigate. |
| Level 3 (Disclosure) Text Block concept | NOT FOUND |
NOT FOUND |
Level 4 Details Key Concepts: Future minimum payments
| Description | Fact value | US GAAP XBRL Concept |
|---|---|---|
| Year 1 (Current portion) | 259,000,000 | us-gaap:OperatingLeasesFutureMinimumPaymentsDueCurrent |
| Year 2 | 208,000,000 | us-gaap:OperatingLeasesFutureMinimumPaymentsDueInTwoYears |
| Year 3 | 132,000,000 | us-gaap:OperatingLeasesFutureMinimumPaymentsDueInThreeYears |
| Year 4 | 91,000,000 | us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFourYears |
| Year 5 | 64,000,000 | us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFiveYears |
| Thereafter | 144,000,000 | us-gaap:OperatingLeasesFutureMinimumPaymentsDueThereafter |
| Total Long-term Debt | 898,000,000 | |
| CHECK | 0 |
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