Subsequent Events	3 Months Ended
Sep. 30, 2023
Subsequent Events [Abstract]
Subsequent Events	SUBSEQUENT EVENTSOn October 4, 2023, the Company announced it had entered into an agreement with Baystate Health, Inc. (Baystate Health) to acquire its outreach laboratory business and select operating assets, including laboratory service centers operated by Baystate Health throughout Massachusetts for $151.1 in cash. This strategic relationship will build upon Labcorp's and Baystate Health's existing reference laboratory relationship to improve the efficiency of routine and specialty lab testing.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org//855/tableOfContent

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483399/855-10-50-2

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