Comprehensive Income - Accumulated Other Comprehensive Income and Comprehensive Income Components (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 25, 2022	Jun. 26, 2021	Jun. 25, 2022	Jun. 26, 2021	Dec. 25, 2021
Attributable to Redeemable noncontrolling interests:
Foreign currency translation adjustment	$ (38)		$ (38)		$ (31)
Attributable to noncontrolling interests:
Foreign currency translation adjustment	(1)		(1)		0
Attributable to Henry Schein, Inc.:
Foreign currency translation adjustment	(234)		(234)		(155)
Unrealized gain (loss) from foreign currency hedging activities	7		7		(2)
Pension adjustment loss	(14)		(14)		(14)
Accumulated other comprehensive loss	(241)		(241)		(171)
Total Accumulated other comprehensive income (loss)	(280)		(280)		$ (202)
Components of Comprehensive Income
Net Income (loss)	167	$ 164	353	$ 339
Foreign currency translation gain (loss)	(90)	38	(87)	0
Tax effect	0	0	0	0
Foreign currency translation gain (loss)	(90)	38	(87)	0
Unrealized gain (loss) from foreign currency hedging activities	10	(2)	12	2
Tax effect	(2)	0	(3)	(1)
Unrealized gain (loss) from foreign currency hedging activities	8	(2)	9	1
Pension adjustment gain	0	0	0	1
Tax effect	0	0	0	0
Pension adjustment gain	0	0	0	1
Comprehensive income	$ 85	$ 200	$ 275	$ 341

Accumulated adjustment attributable to nonredeemable noncontrolling interests, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains (losses).

No definition available.