BENEFIT PLANS

12 Months Ended

Dec. 31, 2021

Retirement Benefits [Abstract]

BENEFIT PLANS

BENEFIT PLANS

The Company maintains a defined contribution 401(k) savings plan (the "Plan") covering certain U.S. employees. In connection with acquisitions, effective at the date of such acquisitions, the Company assumed defined contribution plans covering the U.S. employees of the acquired companies. The Company also maintains certain other defined contribution plans outside of the United States for which it provides contributions for participating employees. The Company's matching contributions during the years ended December 31, 2021, 2020, and 2019 were $32 million, $33 million, and $26 million, respectively.