CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Millions	Total	Total Dentsply Sirona Equity	Common Stock	Capital in Excess of Par Value	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock	Noncontrolling Interests
Beginning Balance at Dec. 31, 2019	$ 5,048	$ 5,046	$ 3	$ 6,587	$ 1,359	$ (602)	$ (2,301)	$ 2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	(134)	(134)			(134)
Other comprehensive income (loss)	(112)	(112)				(112)
Exercise of stock options	4	4					4
Stock based compensation expense	9	9		9
Funding of employee stock purchase plan	2	2		1			1
Treasury shares purchased	(140)	(140)		(28)			(112)
Restricted stock unit distributions	(6)	(6)		(15)			9
Cash dividends	(22)	(22)			(22)
Ending Balance at Mar. 31, 2020	4,649	4,647	3	6,554	1,203	(714)	(2,399)	2
Beginning Balance at Dec. 31, 2019	5,048	5,046	3	6,587	1,359	(602)	(2,301)	2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	(178)
Other comprehensive income (loss)	23
Ending Balance at Sep. 30, 2020	4,720	4,718	3	6,592	1,115	(579)	(2,413)	2
Beginning Balance at Mar. 31, 2020	4,649	4,647	3	6,554	1,203	(714)	(2,399)	2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	(92)	(91)			(91)			(1)
Other comprehensive income (loss)	68	68				68
Exercise of stock options	1	1					1
Stock based compensation expense	10	10		10
Treasury shares purchased	0			28			(28)
Restricted stock unit distributions	(6)	(6)		(16)			10
Cash dividends	(22)	(22)			(22)
Ending Balance at Jun. 30, 2020	4,608	4,607	3	6,576	1,090	(646)	(2,416)	1
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	48	47			47			1
Other comprehensive income (loss)	67	67				67
Stock based compensation expense	17	17		17
Funding of employee stock purchase plan	3	3		1			2
Restricted stock unit distributions	(1)	(1)		(2)			1
Cash dividends	(22)	(22)			(22)
Ending Balance at Sep. 30, 2020	4,720	4,718	3	6,592	1,115	(579)	(2,413)	2
Beginning Balance at Dec. 31, 2020	4,935	4,932	3	6,604	1,198	(464)	(2,409)	3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	112	112			112
Other comprehensive income (loss)	(90)	(90)				(90)
Exercise of stock options	33	33		11			22
Stock based compensation expense	13	13		13
Funding of employee stock purchase plan	3	3		1			2
Treasury shares purchased	(90)	(90)					(90)
Restricted stock unit distributions	(4)	(4)		(11)			7
Cash dividends	(22)	(22)			(22)
Ending Balance at Mar. 31, 2021	4,890	4,887	3	6,618	1,288	(554)	(2,468)	3
Beginning Balance at Dec. 31, 2020	4,935	4,932	3	6,604	1,198	(464)	(2,409)	3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	292
Other comprehensive income (loss)	(103)
Treasury shares purchased	(90)
Ending Balance at Sep. 30, 2021	5,063	5,060	3	6,659	1,419	(567)	(2,454)	3
Beginning Balance at Mar. 31, 2021	4,890	4,887	3	6,618	1,288	(554)	(2,468)	3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	96	96			96
Other comprehensive income (loss)	43	43				43
Exercise of stock options	12	12		3			9
Stock based compensation expense	19	19		19
Restricted stock unit distributions	(1)	(1)		(2)			1
Cash dividends	(25)	(25)			(25)
Ending Balance at Jun. 30, 2021	5,034	5,031	3	6,638	1,359	(511)	(2,458)	3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	84	84			84
Other comprehensive income (loss)	(56)	(56)				(56)
Exercise of stock options	1	1					1
Stock based compensation expense	23	23		23
Funding of employee stock purchase plan	2	2		1			1
Restricted stock unit distributions	(2)	(2)		(4)			2
Restricted stock unit dividends	0			1	(1)
Cash dividends	(23)	(23)			(23)
Ending Balance at Sep. 30, 2021	$ 5,063	$ 5,060	$ 3	$ 6,659	$ 1,419	$ (567)	$ (2,454)	$ 3