Retirement Plans (Schedule of Defined Contribution Plan Disclosures) (Details) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Retirement Benefits [Abstract]
Plan expense	$ 235	$ 205	$ 180
Expense funded with Stryker common stock	34	31	29
Stryker common stock held by plan, amount	$ 542	$ 470	$ 358
Stryker common stock held by plan, shares	2.2	2.2	2.3
Stryker common stock held by plan, value as a percentage of total plan assets	11.00%	12.00%	12.00%