CONTRACT ASSETS AND CONTRACT LIABILITIES - Schedule of Change in Carrying Amount of Contract Assets and Contract Liabilities (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Contract Assets
Balance at beginning of year	$ 609	$ 720
Recognized in current year	177	194
Reclassified to accounts receivable	(189)	(184)
Acquisitions/adjustments	3	0
Foreign currency impact	(2)	7
Balance at end of period	598	737
Contract Liabilities
Balance at beginning of year	1,356	1,173
Recognized in current year	255	459
Amounts in beginning balance reclassified to revenue	(270)	(235)
Current year amounts reclassified to revenue	(73)	(195)
Acquisitions	19	0
Foreign currency impact	4	12
Balance at end of period	$ 1,291	$ 1,214