XML 52 R42.htm IDEA: XBRL DOCUMENT
v3.21.2

Income Taxes (Details) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 Rate | Jun. 30, 2020 Rate | Jun. 30, 2021 Rate | Jun. 30, 2020 Rate
Effective Income Tax Rate Reconciliation, Percent | 19.80% | 18.50% | 19.60% | 17.90%
Annual Effective Tax Rate before recurring discrete tax items |  |  | 19.50% | 20.50%

X
- Definition Annual Effective Tax Rate before recurring discrete tax items + References No definition available. + Details
Name: | mtd_AnnualEffectiveTaxRatebeforerecurringdiscretetaxitems
Namespace Prefix: | mtd_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
Name: | us-gaap_EffectiveIncomeTaxRateContinuingOperations
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration