BUSINESS COMBINATIONS - Additional Information (Details) $ in Millions		3 Months Ended	12 Months Ended
	Feb. 02, 2026 USD ($)	Mar. 31, 2026 USD ($) business arrangement	Dec. 31, 2025 USD ($) business
Business Combination [Line Items]
Number of arrangements for provisions | arrangement		3
CertaSite, LLC
Business Combination [Line Items]
Cash paid at closing	$ 268
Total consideration	271
Accrued consideration	0
Cash deposited into escrow	$ 3
Series of Individually Immaterial Business Combinations
Business Combination [Line Items]
Cash paid at closing		$ 19	$ 186
Number of businesses acquired | business		4	14
Total consideration		$ 25	$ 235
Accrued consideration		6	32
Goodwill, expected tax deductible amount		122	118
Cash deposited into escrow		0	17
API Acquisition
Business Combination [Line Items]
Contingent compensation		7	7
Maximum payout of contingent compensation		15	15
Payout of accrued contingent compensation		7	7
Liability for deferred payments		$ 44	$ 39
API Acquisition | Minimum
Business Combination [Line Items]
Contingent compensation arrangements recognized period		1 year
Liability for deferred payments recognition period		1 year
API Acquisition | Maximum
Business Combination [Line Items]
Contingent compensation arrangements recognized period		4 years
Liability for deferred payments recognition period		3 years