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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% |

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