PENSION AND OTHER POSTRETIREMENT BENEFIT PROGRAMS - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation of company's pension plans	$ 4,300	$ 4,100
Allowed variance from target allocation of plan assets	5.00%
General investment portfolio limits on holdings, description	5.00%
International plans
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, expected future employer contributions, next fiscal year	$ 41
OPEB
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, expected future employer contributions, next fiscal year	$ 19
Return-Seeking Investments
Defined Benefit Plan Disclosure [Line Items]
Allowed variance from target allocation of plan assets	50.00%
Liability Hedging Investments
Defined Benefit Plan Disclosure [Line Items]
Allowed variance from target allocation of plan assets	50.00%