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Retirement Plans (Schedule of Defined Contribution Plan Disclosures) (Details) - USD ($) shares in Millions, $ in Millions | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Retirement Benefits [Abstract] |  |  |
Plan expense | $ 181 | $ 166 | $ 148
Expense funded with Stryker common stock | 25 | 22 | 20
Stryker common stock held by plan, amount | $ 353 | $ 272 | $ 203
Stryker common stock held by plan, shares | 2.3 | 2.3 | 2.2
Stryker common stock held by plan, value as a percentage of total plan assets | 11.00% | 11.00% | 11.00%

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- Definition Defined Contribution Retirement Plans Common Stock Value Held by Company + References No definition available. + Details
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- Definition Total Percentage of Defined Contribution Retirement Plan Assets Value Held by Company + References No definition available. + Details
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- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
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