REVENUE RECOGNITION AND CONTRACTS WITH CUSTOMERS - Contract Assets and Liabilities (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Contract With Customer, Asset And Liability [Roll Forward]
Contract assets - beginning balance			$ 2,294	$ 2,060
Contract assets - ending balance	$ 2,418	$ 2,239	2,418	2,239
Change in contract assets—increase (decrease)			124	179
Contract liabilities - beginning balance			(4,583)	(4,290)
Contract liabilities - ending balance	(4,081)	(4,177)	(4,081)	(4,177)
Change in contract liabilities—decrease (increase)			502	113
Net change			626	292
Contract liability, revenue recognized	333	$ 362	1,814	$ 1,633
Unbilled balances	$ 2,377		$ 2,377		$ 2,265