BORROWINGS - Schedule of Borrowings (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Short-term borrowings
Total short-term borrowings	$ 1,253	$ 3,739
Long-term borrowings
Long-term borrowings and lease obligation	19,711	20,320
Total borrowings	20,965	24,059
Senior notes
Long-term borrowings
Long-term borrowings	$ 17,509	$ 18,079
Average Rate	3.99%	3.96%
Senior and subordinated notes
Long-term borrowings
Long-term borrowings	$ 1,383	$ 1,340
Average Rate	4.43%	4.72%
Other
Long-term borrowings
Long-term borrowings and lease obligation	$ 819	$ 901
Senior notes
Short-term borrowings
Current portion of long-term borrowings	$ 1,044	$ 3,525
Long-term borrowings
Average Rate	2.42%	1.30%
Senior and subordinated notes
Short-term borrowings
Current portion of long-term borrowings	$ 107	$ 100
Long-term borrowings
Average Rate	6.73%	6.71%
Other
Short-term borrowings
Other	$ 103	$ 115