EARNINGS PER SHARE (Policies)	3 Months Ended
Mar. 31, 2025
Earnings Per Share [Abstract]
Earnings Per Share, Policy	Basic earnings per share (Basic EPS) is computed by dividing Net earnings attributable to Labcorp Holdings Inc. by the weighted-average number of common shares outstanding. Diluted earnings per common share (Diluted EPS) is computed by dividing Net earnings attributable to Labcorp Holdings Inc., and if applicable, including the impact of dilutive adjustments by the weighted-average number of common shares outstanding plus potentially dilutive shares, as if they had been issued at the earlier of the date of issuance or the beginning of the period presented. Potentially dilutive common shares result primarily from the Company’s outstanding stock options, restricted stock units, and performance share awards.

EARNINGS PER SHARE (Policies)

3 Months Ended

Mar. 31, 2025

Basic earnings per share (Basic EPS) is computed by dividing Net earnings attributable to Labcorp Holdings Inc. by the weighted-average number of common shares outstanding. Diluted earnings per common share (Diluted EPS) is computed by dividing Net earnings attributable to Labcorp Holdings Inc., and if applicable, including the impact of dilutive adjustments by the weighted-average number of common shares outstanding plus potentially dilutive shares, as if they had been issued at the earlier of the date of issuance or the beginning of the period presented. Potentially dilutive common shares result primarily from the Company’s outstanding stock options, restricted stock units, and performance share awards.