GEOGRAPHIC AREAS - Long-Lived Assets by Geographic Area (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 14,325	$ 14,268
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	14,037	13,979
Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 288	$ 289