Goodwill and Other Intangible Assets (Goodwill) (Details) - USD ($) $ in Millions			12 Months Ended
		Jul. 31, 2018	Dec. 31, 2020	Dec. 31, 2019
Goodwill [Roll Forward]
Beginning balance			$ 2,592	$ 2,519
Additions / Adjustments			75	102
Other	[1]		27	(29)
Ending balance			2,694	2,592
Abaxis Inc
Goodwill [Roll Forward]
Purchase price allocation amount		$ 977
United States
Goodwill [Roll Forward]
Beginning balance			1,367	1,265
Additions / Adjustments			58	102
Other	[1]		0	0
Ending balance			1,425	1,367
International
Goodwill [Roll Forward]
Beginning balance			1,225	1,254
Additions / Adjustments			17	0
Other	[1]		27	(29)
Ending balance			$ 1,269	$ 1,225

[1] Includes adjustments for foreign currency translation.