ACCUMULATED OTHER COMPREHENSIVE LOSS - Changes in Amounts Included in Our Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of period	$ 9,721
Translation adjustments	2	$ (9)
Total other comprehensive income (loss)	13	(1)
Balance at end of period	9,645	10,054
Pension
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of period	(583)	(515)
Other comprehensive income before reclassifications	0	1
Amounts reclassified from accumulated other comprehensive loss to earnings	10	8
Total other comprehensive income (loss)	10	9
Balance at end of period	(573)	(506)
Other Post-Employment Benefits
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of period	23	24
Other comprehensive income before reclassifications	(1)	(2)
Amounts reclassified from accumulated other comprehensive loss to earnings	0	1
Total other comprehensive income (loss)	(1)	(1)
Balance at end of period	22	23
Translation Adjustments and Other
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of period	158	198
Translation adjustments	2	(9)
Unrealized gain on cash flow hedges	2	0
Total other comprehensive income (loss)	4	(9)
Balance at end of period	162	189
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of period	(402)	(293)
Total other comprehensive income (loss)	13	(1)
Balance at end of period	$ (389)	$ (294)