CONTRACT ASSETS AND CONTRACT LIABILITIES - Change in Carrying Amount of Contract Assets and Contract Liabilities (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Contract Assets
Balance at beginning of year	$ 706	$ 545
Recognized in current year	562	463
Reclassified to accounts receivable	(456)	(344)
Acquisitions/adjustments	(2)	28
Foreign currency impact	(4)	(36)
Balance at end of period	806	656
Contract Liabilities
Balance at beginning of year	956	824
Recognized in current year	1,043	768
Amounts in beginning balance reclassified to revenue	(632)	(348)
Current year amounts reclassified to revenue	(393)	(343)
Acquisitions	1	12
Foreign currency impact	(6)	(33)
Balance at end of period	$ 969	$ 880