Restructuring and Related Activities, Target Percent For Annual Productivity Savings

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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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.

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Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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RESTRUCTURING ACTIVITIES AND IMPAIRMENT CHARGES - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Restructuring Cost and Reserve [Line Items]
Asset impairment charges	$ 24	$ 0	$ 24	$ 0
Total restructuring and impairment charges	25	8	36	14
Total restructuring charges	$ 1	8	$ 12	14
Invigorate Program
Restructuring Cost and Reserve [Line Items]
Target percent for annual productivity savings	3.00%		3.00%
Pre-tax restructuring charges	$ 1	8	$ 12	14
Asset impairment charges	24		24
Invigorate Program \| Accounts Payable and Accrued Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	12		12		$ 13
Invigorate Program \| Cost of services
Restructuring Cost and Reserve [Line Items]
Total restructuring and impairment charges			6
Total restructuring charges		4		8
Invigorate Program \| Selling, general and administrative
Restructuring Cost and Reserve [Line Items]
Total restructuring and impairment charges	1		6
Total restructuring charges		$ 4		$ 6
Invigorate Program \| Other Operating Income, net
Restructuring Cost and Reserve [Line Items]
Total restructuring and impairment charges	$ 24		$ 24