LEASES - Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Leases [Abstract]
Operating lease right-of-use assets	$ 958	$ 869
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Operating lease liabilities	$ 1,042	$ 956
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Other liabilities	Other liabilities
Weighted average remaining lease term (years)	7 years	7 years
Weighted average discount rate	3.89%	3.51%