v3.25.4
RELATED PARTY TRANSACTIONS - Narrative (Details) - Grail, Inc. - Illumina, Inc. - shares
Feb. 17, 2026
Dec. 31, 2025
Jun. 24, 2024
Related Party Transaction [Line Items]      
Spinoff transaction, number of shares retained   4,502,126  
Percentage of shares retained after spin-off (as a percent)   6.00% 14.50%
Noncontrolling interest, sale of owned shares, (in shares)   2,000,000  
Noncontrolling interest, number of shares, outstanding (in shares)   2,502,126  
Subsequent Event      
Related Party Transaction [Line Items]      
Noncontrolling interest, number of shares, outstanding (in shares) 1,302,126