ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Components of AOCI (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	$ 7,955	$ 8,180	$ 7,399	$ 6,927	$ 8,180	$ 6,927
Other comprehensive income (loss), before reclassifications					(17)	26
Other comprehensive income (loss), net of tax	(141)	(49)	72	(37)	(190)	35
Ending balance	7,602	7,955	7,575	7,399	7,602	7,575
Non-controlling interest					0	3
Total
Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	(2,423)	(2,374)	(2,316)	(2,278)	(2,374)	(2,278)
Other comprehensive income (loss), before reclassifications					223	(39)
Amounts reclassified from other comprehensive income					33	(7)
Other comprehensive income (loss), net of tax	(141)	(49)	70	(38)	(190)	32
Ending balance	(2,564)	(2,423)	(2,246)	(2,316)	(2,564)	(2,246)
Unrealized Gain (Loss) on Cash Flow Hedges
Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance		(10)		46	(10)	46
Other comprehensive income (loss), before reclassifications					(17)	26
Amounts reclassified from other comprehensive income					34	0
Other comprehensive income (loss), net of tax					51	(26)
Ending balance	41		20		41	20
Change in Retirement Plans’ Funded Status
Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance		(351)		(285)	(351)	(285)
Other comprehensive income (loss), before reclassifications					0	1
Amounts reclassified from other comprehensive income					(1)	(7)
Other comprehensive income (loss), net of tax					(1)	(8)
Ending balance	(352)		(293)		(352)	(293)
Foreign Currency Translation
Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance		(1,763)		(1,800)	(1,763)	(1,800)
Other comprehensive income (loss), before reclassifications					220	(81)
Amounts reclassified from other comprehensive income					0	0
Other comprehensive income (loss), net of tax					(220)	81
Ending balance	(1,983)		(1,719)		(1,983)	(1,719)
Share of Other Comprehensive Income (Loss) of Entities Using the Equity Method
Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance		$ (250)		$ (239)	(250)	(239)
Other comprehensive income (loss), before reclassifications					20	15
Amounts reclassified from other comprehensive income					0	0
Other comprehensive income (loss), net of tax					(20)	(15)
Ending balance	$ (270)		$ (254)		$ (270)	$ (254)