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COMPANY-SPONSORED EMPLOYEE BENEFIT PLANS COMPANY-SPONSORED EMPLOYEE BENEFIT PLANS - Effects of One Basis Point Change on Projected Benefit Obligation (Details) - U.S. Pension Benefits $ in Millions | 12 Months Ended
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Dec. 31, 2018 USD ($)
Pension Benefits |
effects of one-basis point change one PBO [Line Items] |
Defined Benefit Plan, Effect of One Percentage Point Increase on Projected Benefit Obligation | $ (69)
Defined Benefit Plan, Effect of One Percentage Point Decrease on Projected Benefit Obligation | 73
Postemployment Retirement Benefits |
effects of one-basis point change one PBO [Line Items] |
Defined Benefit Plan, Effect of One Percentage Point Increase on Projected Benefit Obligation | (2)
Defined Benefit Plan, Effect of One Percentage Point Decrease on Projected Benefit Obligation | $ 2

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