XML 64 R49.htm IDEA: XBRL DOCUMENT v3.26.1
Supplemental Income Statement Information - Schedule of Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended
Mar. 28, 2026
Mar. 29, 2025
Supplemental Income Statement Elements [Abstract]    
Net income attributable to Thermo Fisher Scientific Inc. $ 1,651 $ 1,507
Basic weighted average shares (in shares) 372 378
Plus effect of: stock options and restricted stock units (in shares) 1 1
Diluted weighted average shares (in shares) 373 379
Basic earnings per share (in dollars per share) $ 4.44 $ 3.99
Diluted earnings per share (in dollars per share) $ 4.43 $ 3.98
Antidilutive stock options excluded from diluted weighted average shares (in shares) 3 3