Earnings per Share (Tables)

6 Months Ended

Jul. 02, 2022

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three months ended				Six months ended
	July 2,		July 3,		July 2,		July 3,
(In millions except per share amounts)	2022		2021		2022		2021
Net income attributable to Thermo Fisher Scientific Inc.	$	1,664	$	1,828	$	3,879	$	4,165
Basic weighted average shares	392		393		392		394
Plus effect of: stock options and restricted stock units	2		3		2		3
Diluted weighted average shares	394		396		394		397
Basic earnings per share	$	4.25	$	4.65	$	9.90	$	10.58
Diluted earnings per share	$	4.22	$	4.61	$	9.83	$	10.50
Antidilutive stock options excluded from diluted weighted average shares	2		1		2		1