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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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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BUSINESS ACQUISITIONS - Additional Information (Details) $ in Millions, $ in Millions			3 Months Ended
	Aug. 23, 2024 CAD ($)	Aug. 23, 2024 USD ($)	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)
Business Acquisition [Line Items]
Cash paid for business acquisitions			$ 0	$ 142
LifeLabs Inc.
Business Acquisition [Line Items]
Cash paid for business acquisitions	$ 1,350	$ 1,000
Deferred tax asset, increase			9
Goodwill, decrease			$ 9