LEASES - Lease Position (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Leases [Abstract]
Operating lease assets	$ 1,268	$ 1,296
Finance lease assets	227	53
Total lease assets	1,495	1,349
Current portion of operating lease liabilities	197	207
Current portion of finance lease liabilities	$ 181	$ 8
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Current portion of long-term debt and finance leases	Current portion of long-term debt and finance leases
Operating lease liabilities, net of current portion	$ 1,141	$ 1,198
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Long-term debt and finance leases, net of current portion	Long-term debt and finance leases, net of current portion
Finance lease liabilities, net of current portion	$ 65	$ 47
Total lease liabilities	$ 1,584	$ 1,460
Weighted-average remaining lease term (in years)
Operating leases	9 years 1 month 6 days	8 years 10 months 24 days
Finance leases	2 years 7 months 6 days	6 years 6 months
Weighted-average discount rate
Operating leases	6.70%	6.40%
Finance leases	6.20%	6.30%