REVENUE RECOGNITION AND CONTRACTS WITH CUSTOMERS - Contract Assets and Liabilities (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Contract With Customer, Asset And Liability [Roll Forward]
Contract assets - beginning balance	$ 2,207	$ 2,013
Contract assets - ending balance	2,383	1,939
Change in contract assets - increase (decrease)	176	(74)
Contract liabilities - beginning balance	(4,220)	(4,326)
Contract liabilities - ending balance	(4,300)	(4,005)
Change in contract liabilities - (increase) decrease	(80)	321
Net change	96	247
Contract liability, revenue recognized	1,000	$ 993
Unbilled balances	$ 2,312		$ 2,139