INTANGIBLE ASSETS AND GOODWILL - Changes in Carrying Amount of Goodwill (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Change in the carrying amount of goodwill
Balance at the beginning of the period	$ 4,575	$ 4,507
Acquisitions (Note 5)		31
Foreign exchange	(37)	37
Balance at the end of the period	4,538	4,575
Vision Care
Change in the carrying amount of goodwill
Balance at the beginning of the period	3,556	3,549
Acquisitions (Note 5)		0
Foreign exchange	(12)	7
Balance at the end of the period	3,544	3,556
Pharmaceuticals
Change in the carrying amount of goodwill
Balance at the beginning of the period	693	645
Acquisitions (Note 5)		23
Foreign exchange	(23)	25
Balance at the end of the period	670	693
Surgical
Change in the carrying amount of goodwill
Balance at the beginning of the period	326	313
Acquisitions (Note 5)		8
Foreign exchange	(2)	5
Balance at the end of the period	$ 324	$ 326