ACCUMULATED OTHER COMPREHENSIVE LOSS - Changes in Amounts Included in Our Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of period			$ 10,749
Translation adjustments	$ (7)	$ (53)	0	$ (62)
Total other comprehensive income (loss)	2	(20)	24	61
Balance at end of period	10,228	10,838	10,228	10,838
Pension
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of period	(444)	(632)	(458)	(720)
Other comprehensive income (loss) before reclassifications	0	14	(1)	65
Amounts reclassified from accumulated other comprehensive loss to earnings	9	19	24	56
Total other comprehensive income (loss)	9	33	23	121
Balance at end of period	(435)	(599)	(435)	(599)
Other Post-Employment Benefits
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of period	21	0	20	(2)
Other comprehensive income (loss) before reclassifications	(1)	(1)	0	(1)
Amounts reclassified from accumulated other comprehensive loss to earnings	1	1	1	3
Total other comprehensive income (loss)	0	0	1	2
Balance at end of period	21	0	21	0
Translation Adjustments and Other
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of period	198	234	191	243
Translation adjustments	(7)	(53)	0	(62)
Total other comprehensive income (loss)	(7)	(53)	0	(62)
Balance at end of period	191	181	191	181
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of period	(225)	(398)	(247)	(479)
Total other comprehensive income (loss)	2	(20)	24	61
Balance at end of period	$ (223)	$ (418)	$ (223)	$ (418)