ACCUMULATED OTHER COMPREHENSIVE LOSS - Change in Other Comprehensive Loss By Component (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 16,434	$ 17,319
Net current period other comprehensive income (loss)	615	(665)	$ (598)
Ending balance	19,154	16,434	17,319
Foreign Exchange Translation Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(3,101)	(2,832)	(2,478)
Other comprehensive income (loss) before reclassifications	229	(269)	(344)
Amounts reclassified from accumulated other comprehensive loss	0	0	(10)
Net current period other comprehensive income (loss)	229	(269)	(354)
Ending balance	(2,872)	(3,101)	(2,832)
Pension and Other Postretirement Benefit Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(1,055)	(648)	(415)
Other comprehensive income (loss) before reclassifications	343	(477)	(623)
Amounts reclassified from accumulated other comprehensive loss	70	70	390
Net current period other comprehensive income (loss)	413	(407)	(233)
Ending balance	(642)	(1,055)	(648)
Changes in Fair Value of Available for Sale Investments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(2)	(7)	1
Other comprehensive income (loss) before reclassifications	1	5	(8)
Amounts reclassified from accumulated other comprehensive loss	0	0	0
Net current period other comprehensive income (loss)	1	5	(8)
Ending balance	(1)	(2)	(7)
Changes in Fair Value of Cash Flow Hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	23	12	(3)
Other comprehensive income (loss) before reclassifications	17	60	71
Amounts reclassified from accumulated other comprehensive loss	(16)	(49)	(56)
Net current period other comprehensive income (loss)	1	11	15
Ending balance	24	23	12
Total
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(4,135)	(3,475)	(2,895)
Other comprehensive income (loss) before reclassifications	590	(681)	(904)
Amounts reclassified from accumulated other comprehensive loss	54	21	324
Net current period other comprehensive income (loss)	644	(660)	(580)
Ending balance	$ (3,491)	$ (4,135)	$ (3,475)