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Retirement Plans (Schedule of Defined Contribution Plan Disclosures) (Details) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	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 Held by Company

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- Definition

Defined Contribution Retirement Plans Common Stock Value Held by Company

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- Definition

Total Percentage of Defined Contribution Retirement Plan Assets Value Held by Company

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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

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- Definition

Amount of discretionary contributions made by an employer to a defined contribution plan.

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