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, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of period			$ 10,767
Translation adjustments	$ (53)	$ (25)	(62)	$ (1)
Total other comprehensive income (loss)	(20)	5	61	171
Balance at end of period	10,838	10,369	10,838	10,369
Pension
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of period	(632)	(924)	(720)	(1,064)
Other comprehensive income (loss) before reclassifications	14	6	65	102
Amounts reclassified from accumulated other comprehensive loss to earnings	19	23	56	67
Total other comprehensive income (loss)	33	29	121	169
Balance at end of period	(599)	(895)	(599)	(895)
Other Post-Employment Benefits
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of period	0	(10)	(2)	(12)
Other comprehensive income (loss) before reclassifications	(1)	(1)	(1)	(1)
Amounts reclassified from accumulated other comprehensive loss to earnings	1	2	3	4
Total other comprehensive income (loss)	0	1	2	3
Balance at end of period	0	(9)	0	(9)
Translation Adjustments and Other
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of period	234	278	243	254
Translation adjustments	(53)	(25)	(62)	(1)
Total other comprehensive income (loss)	(53)	(25)	(62)	(1)
Balance at end of period	181	253	181	253
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of period	(398)	(656)	(479)	(822)
Total other comprehensive income (loss)	(20)	5	61	171
Balance at end of period	$ (418)	$ (651)	$ (418)	$ (651)