FINANCIAL INSTRUMENTS - Fair Values of Derivatives (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Derivatives, Fair Value [Line Items]
Derivative assets	$ 163	$ 189
Derivative liabilities	246	204
Derivatives designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative assets	92	147
Derivative liabilities	192	162
Derivatives designated as hedging instruments | Interest rate contracts
Derivatives, Fair Value [Line Items]
Derivative assets	54	77
Derivative liabilities	125	106
Derivatives designated as hedging instruments | Foreign currency contracts
Derivatives, Fair Value [Line Items]
Derivative assets	38	70
Derivative liabilities	67	56
Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative assets	71	42
Derivative liabilities	54	42
Derivatives not designated as hedging instruments | Interest rate contracts
Derivatives, Fair Value [Line Items]
Derivative assets	44	28
Derivative liabilities	44	28
Derivatives not designated as hedging instruments | Foreign currency contracts
Derivatives, Fair Value [Line Items]
Derivative assets	27	14
Derivative liabilities	$ 10	$ 14