QUARTERLY FINANCIAL INFORMATION (UNAUDITED) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		3 Months Ended								12 Months Ended
	Feb. 29, 2016	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Quarterly Financial Information Disclosure [Abstract]
Net sales		$ 996.5	$ 954.2	$ 1,022.0	$ 772.6	$ 671.1	$ 648.9	$ 698.0	$ 656.3	$ 3,745.3	$ 2,674.3	$ 2,922.6
Gross profit		541.5	513.6	526.9	418.9	374.7	369.4	399.7	373.4	2,000.9	1,517.2	1,599.8
Operating income		134.2	126.6	121.2	72.7	93.1	98.6	85.8	97.7	454.7	375.2	445.6
Net income attributable to Dentsply Sirona, basic		$ 107.0	$ 92.5	$ 105.4	$ 125.0	$ 58.6	$ 84.5	$ 44.1	$ 64.0	$ 429.9	$ 251.2	$ 322.9
Earnings per common share - basic (in dollars per share)		$ 0.46	$ 0.40	$ 0.45	$ 0.72	$ 0.42	$ 0.60	$ 0.32	$ 0.46	$ 1.97	$ 1.79	$ 2.28
Basic, rounding (in dollars per share)										(0.06)	(0.01)
Earnings per common share - diluted (in dollars per share) (in dollars per share)		0.46	0.39	0.44	0.70	0.41	0.59	0.31	0.45	1.94	1.76	$ 2.24
Diluted, rounding (in dollars per share)										(0.05)
Cash dividends declared per common share		$ 0.0775	$ 0.0775	$ 0.0775	$ 0.0775	$ 0.0725	$ 0.0725	$ 0.0725	$ 0.0725	$ 0.31	$ 0.29
Common Stock | Sirona Dental Systems Inc
Business Acquisition [Line Items]
DENTSPLY common stock issued for consideration	101.8