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CASH, CASH EQUIVALENTS AND INVESTMENTS - UNRESTRICTED AND RESTRICTED (Tables)

12 Months Ended

Dec. 31, 2022

Cash and Cash Equivalents [Abstract]

Summary of Cash, Cash Equivalents and Investments

Our total cash, cash equivalents and investments are summarized below:

			December 31, 2022									December 31, 2021
(in millions)			Cash and cash equivalents			Available-for-sale marketable securities						Total			Cash and cash equivalents			Available-for-sale marketable securities						Total
Cash and cash equivalents			$	354		$	—					$	354		$	612		$	—					$	612
Investments			—			76						76			—			135						135
Restricted cash, cash equivalents and investments
Payroll funds collected			1,062			—						1,062			1,012			—						1,012
Collateral for health benefits claims			29			110						139			25			98						123
Collateral for workers' compensation claims			58			—						58			58			—						58
Other security deposits			4			—						4			2			—						2
Total restricted cash, cash equivalents and investments			1,153			110						1,263			1,097			98						1,195
Investments, noncurrent			—			151						151			—			168						168
Restricted cash, cash equivalents and investments, noncurrent
Collateral for workers' compensation claims			27			123						150			29			137						166
Other security deposits			3			—						3			—			—						—
Total			$	1,537		$	460					$	1,997		$	1,738		$	538					$	2,276

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- Definition

Tabular disclosure of the components of cash, cash equivalents, and investments.

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