Segment Data (Business Segment Information) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 27, 2026	Jun. 28, 2025	Jun. 27, 2026	Jun. 28, 2025
Segment Reporting Information [Line Items]
Net sales	$ 3,458	$ 3,240	$ 6,826	$ 6,408
Cost of sales	2,357	2,224	4,655	4,392
Operating income	171	151	353	326
Depreciation and amortization	84	76	165	149
Global Distribution and Value-Added Services [Member]
Segment Reporting Information [Line Items]
Net sales	2,905	2,727	5,741	5,399
Global Specialty Products [Member]
Segment Reporting Information [Line Items]
Net sales	372	346	731	680
Global Technology [Member]
Segment Reporting Information [Line Items]
Net sales	181	167	354	329
Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales	3,511	3,284	6,920	6,489
Operating income	292	256	579	521
Depreciation and amortization	27	25	53	47
Operating Segments [Member] \| Global Distribution and Value-Added Services [Member]
Segment Reporting Information [Line Items]
Net sales	2,911	2,731	5,750	5,407
Cost of sales	2,167	2,043	4,274	4,038
Operating expenses	563	529	1,112	1,043
Operating income	181	159	364	326
Depreciation and amortization	7	7	14	13
Operating Segments [Member] \| Global Distribution and Value-Added Services [Member] \| Global Dental [Member]
Segment Reporting Information [Line Items]
Net sales	1,854	1,715	3,620	3,336
Operating Segments [Member] \| Global Distribution and Value-Added Services [Member] \| Global Dental Merchandise [Member]
Segment Reporting Information [Line Items]
Net sales	1,337	1,218	2,629	2,403
Operating Segments [Member] \| Global Distribution and Value-Added Services [Member] \| Global Dental Equipment [Member]
Segment Reporting Information [Line Items]
Net sales	456	439	873	823
Operating Segments [Member] \| Global Distribution and Value-Added Services [Member] \| Global Value-Added Services [Member]
Segment Reporting Information [Line Items]
Net sales	61	58	118	110
Operating Segments [Member] \| Global Distribution and Value-Added Services [Member] \| Global Medical [Member]
Segment Reporting Information [Line Items]
Net sales	1,057	1,016	2,130	2,071
Operating Segments [Member] \| Global Specialty Products [Member]
Segment Reporting Information [Line Items]
Net sales	419	386	816	753
Cost of sales	186	175	363	336
Operating expenses	171	159	333	309
Operating income	62	52	120	108
Depreciation and amortization	9	9	18	17
Operating Segments [Member] \| Global Technology [Member]
Segment Reporting Information [Line Items]
Net sales	181	167	354	329
Cost of sales	55	53	109	105
Operating expenses	77	69	150	137
Operating income	49	45	95	87
Depreciation and amortization	11	9	21	17
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Operating income	(42)	(31)	(76)	(66)
Depreciation and amortization	11	7	21	15
Eliminations and Reconciling Items [Member]
Segment Reporting Information [Line Items]
Net sales	(53)	(44)	(94)	(81)
Operating income	(79)	(74)	(150)	(129)
Depreciation and amortization	46	44	91	87
Eliminations and Reconciling Items [Member] \| Global Distribution and Value-Added Services [Member]
Segment Reporting Information [Line Items]
Net sales	(6)	(4)	(9)	(8)
Eliminations and Reconciling Items [Member] \| Global Specialty Products [Member]
Segment Reporting Information [Line Items]
Net sales	(47)	(40)	(85)	(73)
Eliminations and Reconciling Items [Member] \| Global Technology [Member]
Segment Reporting Information [Line Items]
Net sales	$ 0	$ 0	$ 0	$ 0

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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