PENSIONS AND OTHER POSTRETIREMENT BENEFITS - Pension and Other Postretirement Benefits (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jan. 04, 2021 |
Jun. 30, 2022 |
Jun. 30, 2021 |
Jun. 30, 2022 |
Jun. 30, 2021 |
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| Pension Plan | |||||
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | |||||
| Service cost | $ 12 | $ 14 | $ 24 | $ 28 | |
| Interest cost | 31 | 26 | 63 | 52 | |
| Expected return on plan assets | (92) | (90) | (184) | (180) | |
| Net actuarial loss (gain) | 3 | 8 | 7 | 16 | |
| Net periodic benefit costs (credits) | (46) | (42) | (90) | (84) | |
| Defined benefit pension contributions | $ 118 | 0 | 7 | 0 | 153 |
| Other Postretirement Benefit Plans, Defined Benefit | |||||
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | |||||
| Service cost | 10 | 12 | 21 | 25 | |
| Interest cost | 20 | 19 | 40 | 37 | |
| Expected return on plan assets | (9) | (10) | (19) | (20) | |
| Net actuarial loss (gain) | (3) | 1 | (6) | 2 | |
| Net periodic benefit costs (credits) | 18 | 22 | 36 | 44 | |
| OPEB contributions | $ 28 | $ 5 | $ 56 | $ 5 | |
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- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of cost recognized for passage of time related to defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of net periodic benefit cost (credit) for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of cash outflow for other postretirement benefit. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. Excludes pension benefit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of cash outflow for pension benefit. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. Excludes other postretirement benefit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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