COMPANY-SPONSORED EMPLOYEE BENEFIT PLANS COMPANY-SPONSORED EMPLOYEE BENEFIT PLANS - Effects of One Basis Point Change on Projected Benefit Obligation (Details) - United States $ in Millions |
12 Months Ended |
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Dec. 31, 2020
USD ($)
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| 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 | $ (110) |
| Defined Benefit Plan, Effect of One Percentage Point Decrease on Projected Benefit Obligation | 118 |
| 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 | $ 3 |
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- Definition Defined Benefit Plan, Effect of One Percentage Point Decrease on Projected Benefit Obligation No definition available.
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- Definition [Line Items] for effects of one-basis point change one PBO [Table] No definition available.
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- Definition Increase (Decrease) in Defined Benefit Plan, Effect of One Percentage Point Increase on Projected Benefit Obligation No definition available.
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