STOCKHOLDERS' EQUITY - Performance Stock Units Fair Value Assumptions (Detail) - Performance Shares - $ / shares	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Baxter volatility	29.00%	27.00%	27.00%
Peer group volatility minimum	20.00%	23.00%	24.00%
Peer group volatility maximum	52.00%	54.00%	54.00%
Correlation of returns minimum	0.12	0.23	0.21
Correlation of returns maximum	0.51	0.48	0.61
Risk-free interest rate	4.30%	4.60%	1.60%
Fair value per PSU (in dollars per share)	$ 57	$ 30	$ 102