BUSINESS COMBINATIONS - Schedule of Business Acquisitions, by Acquisition (Details) - USD ($) $ in Millions			6 Months Ended	12 Months Ended
	Jun. 08, 2026	Feb. 02, 2026	Jun. 30, 2026	Dec. 31, 2025
Business Combination [Line Items]
Goodwill			$ 3,643	$ 3,167
CertaSite
Business Combination [Line Items]
Cash paid at closing		$ 268
Cash deposited into escrow		3
Accrued consideration		0
Total net consideration		271
Cash and cash equivalents		3
Accounts receivable		18
Inventories		6
Contract assets		3
Other current assets		1
Operating lease right-of-use assets		4
Property and equipment		7
Intangible assets		98
Goodwill		155
Accounts payable		(3)
Other accrued liabilities		(3)
Operating and finance lease liabilities		(7)
Other noncurrent liabilities		(11)
Net assets acquired		$ 271
Onyx-Fire
Business Combination [Line Items]
Cash paid at closing	$ 518
Cash deposited into escrow	4
Accrued consideration	0
Total net consideration	522
Cash and cash equivalents	13
Accounts receivable	42
Inventories	13
Contract assets	14
Other current assets	9
Operating lease right-of-use assets	0
Property and equipment	17
Intangible assets	181
Goodwill	326
Accounts payable	(13)
Other accrued liabilities	(7)
Operating and finance lease liabilities	0
Other noncurrent liabilities	(73)
Net assets acquired	$ 522
Series of Individually Immaterial Business Combinations
Business Combination [Line Items]
Cash paid at closing			37	186
Cash deposited into escrow			0	17
Accrued consideration			10	22
Total net consideration			47	225
Cash and cash equivalents			1	13
Accounts receivable			2	27
Inventories			0
Contract assets			0	2
Other current assets			0	1
Operating lease right-of-use assets			0
Property and equipment			0	3
Intangible assets			10	90
Goodwill			37	116
Accounts payable			(1)	(8)
Other accrued liabilities			0	(9)
Operating and finance lease liabilities			0
Contract liabilities				(8)
Other noncurrent liabilities			(2)	(2)
Net assets acquired			$ 47	$ 225