FINANCIAL INSTRUMENTS, DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Amounts Recorded on Condensed Consolidated Balance Sheet Related to Fair Value Hedges (Details) - Long-term Debt [Member] - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Derivatives, Fair Value [Line Items]
Carrying amount of hedged item	$ 103	$ 103
Cumulative amount of fair value hedging adjustment included in the carrying amount of the hedged item	$ 6	$ 7