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Cash, Cash Equivalents and Investments - Unrestricted and Restricted - (Tables)

6 Months Ended

Jun. 30, 2022

Cash and Cash Equivalents [Abstract]

Summary of Cash, Cash Equivalents and Investments

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

			June 30, 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			$	336		$	—					$	336					$	612		$	—					$	612
Investments			—			120						120						—			135						135
Restricted cash, cash equivalents and investments:
Payroll funds collected			836			—						836						1,012			—						1,012
Collateral for health benefits claims			27			105						132						25			98						123
Collateral for workers' compensation claims			57			—						57						58			—						58
Other security deposits			3			—						3						2			—						2
Total restricted cash, cash equivalents and investments			923			105						1,028						1,097			98						1,195
Investments, noncurrent			—			159						159						—			168						168
Restricted cash, cash equivalents and investments, noncurrent
Collateral for workers' compensation claims			24			121						145						29			137						166
Other security deposits			4			—						4						—			—						—
Total			$	1,287		$	505					$	1,792					$	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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