BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Collaborative Arrangements (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenue from External Customer [Line Items]
Cost of sales	$ 6,761	$ 6,226	$ 5,574	$ 5,747	$ 6,256	$ 5,992	$ 5,693	$ 4,998
Services
Revenue from External Customer [Line Items]
Cost of sales									$ 13,967	$ 13,039	$ 10,836
Equipment
Revenue from External Customer [Line Items]
Cost of sales									10,341	9,900	8,151
Collaborative Arrangement | Services
Revenue from External Customer [Line Items]
Cost of sales									4,144	3,781	2,890
Collaborative Arrangement | Equipment
Revenue from External Customer [Line Items]
Cost of sales									$ 784	$ 663	$ 658