DESCRIPTION OF BUSINESS AND SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026 USD ($)	Jun. 30, 2026 USD ($) segment	Dec. 31, 2025 USD ($)
Product Information [Line Items]
Number of reportable segments \| segment		1
Prepayments offsetting accrued health insurance costs	$ 114	$ 114	$ 62
ERTC receivables	310	310	384
ERTC distributed	21	21	19
Health Care
Product Information [Line Items]
Prepayments offsetting accrued health insurance costs	24	$ 24	$ 87
Recognition of previous expenses	$ 21
Non-US \| Revenue \| Foreign Sales
Product Information [Line Items]
Percent of concentration risk (less than)		1.00%

Employee-Related Liabilities, Employee Retention Tax Credits

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Employee-related Liabilities, Employee Retention Tax Credits, Distributed

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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- Definition

The amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses.

+ References

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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