EQUITY - Changes in Accumulated Other Comprehensive (Loss) Income (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	$ 17,075	$ 16,451
Other comprehensive income (loss) before reclassifications	136
Amounts reclassified from Accumulated other comprehensive loss (income)	(4)
Total comprehensive income (loss)	132	116
Balance at end of period	17,485	$ 16,656
Accumulated other comprehensive loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(3,946)
Balance at end of period	(3,814)
Currency translation and related hedging instruments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(3,264)
Other comprehensive income (loss) before reclassifications	121
Amounts reclassified from Accumulated other comprehensive loss (income)	(1)
Total comprehensive income (loss)	119
Balance at end of period	(3,145)
Pensions and other postretirement benefits
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(810)
Other comprehensive income (loss) before reclassifications	(11)
Amounts reclassified from Accumulated other comprehensive loss (income)	8
Total comprehensive income (loss)	(2)
Balance at end of period	(813)
Cash flow hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	129
Other comprehensive income (loss) before reclassifications	26
Amounts reclassified from Accumulated other comprehensive loss (income)	(11)
Total comprehensive income (loss)	15
Balance at end of period	$ 144