EMPLOYEE BENEFIT PLANS - FAIR VALUE USING UNOBSERVABLE INPUTS (Details) - Defined Benefit Plans - USD ($) $ in Millions |
12 Months Ended | |
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Dec. 31, 2019 |
Dec. 31, 2018 |
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| Fair Value Measurements of Plan Assets Using Significant Unobservable Inputs (Level 3) | ||
| Fair value of plan assets at beginning of year | $ 2,400 | |
| Fair value of plan assets at end of year | 2,800 | $ 2,400 |
| Significant unobservable inputs (Level 3) | Real Estate/Other | ||
| Fair Value Measurements of Plan Assets Using Significant Unobservable Inputs (Level 3) | ||
| Fair value of plan assets at beginning of year | 121 | 117 |
| Return on pension plan assets | 4 | 4 |
| Purchases, sales and settlements | (1) | |
| Fair value of plan assets at end of year | $ 124 | $ 121 |
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- Definition Amount, measured using unobservable inputs, of increase (decrease) in plan assets of defined benefit plan from actual return (loss) on assets still held. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, measured using unobservable input, of increase (decrease) in plan asset of defined benefit plan from purchase, sale and settlement of trade associated with underlying investment. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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