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v3.22.2.2

SUBSEQUENT EVENTS (Details) |  |  | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Oct. 12, 2022 USD ($) employee location | Sep. 30, 2022 USD ($) employee | Sep. 30, 2022 USD ($) employee | Sep. 30, 2021 USD ($) | Sep. 30, 2022 USD ($) employee | Sep. 30, 2021 USD ($) | Dec. 31, 2022 USD ($) | Jan. 01, 2023 USD ($) | Dec. 31, 2021 USD ($)
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Pension and OPEB, asset |  | $ 390,000,000 | $ 390,000,000 |  | $ 390,000,000 |  |  |  | $ 224,000,000
Term of labor agreement |  | 47 months | 47 months |  | 47 months |  |  |  |
Number of employees covered in labor agreement | employee |  | 2,000 | 2,000 |  | 2,000 |  |  |  |
Service multiplier |  | $ 115 | $ 115 |  | $ 115 |  |  |  |
Forecast |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Service multiplier |  |  |  |  |  |  |  | $ 126 |
Net periodic benefit costs (credits) |  |  |  |  |  |  | $ (104,000,000) |  |
Pension Plan |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Pension and OPEB, asset |  | 227,000,000 | 227,000,000 |  | 227,000,000 |  |  |  |
Current liabilities |  | (4,000,000) | (4,000,000) |  | (4,000,000) |  |  |  |
Non-current liabilities |  | (464,000,000) | (464,000,000) |  | (464,000,000) |  |  |  |
Funded Status |  | (241,000,000) | $ (241,000,000) |  | $ (241,000,000) |  |  |  |
Increase (decrease) in funded status of plan due to remeasurement |  | 38,000,000 |  |  |  |  |  |  |
Actuarial gains on pension benefit obligations |  | 247,000,000 |  |  |  |  |  |  |
Plan amendment gains (losses) |  | (32,000,000) |  |  |  |  |  |  |
Actual plan asset losses |  | $ (177,000,000) |  |  |  |  |  |  |
Discount rate used to measure benefit obligations |  | 5.64% | 5.64% |  | 5.64% |  |  |  | 2.97%
Net periodic benefit costs (credits) |  |  | $ (45,000,000) | $ (40,000,000) | $ (135,000,000) | $ (124,000,000) |  |  |
Pension Plan | Pension Plan, October 2022 Remeasurement |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Discount rate used to measure benefit obligations |  |  |  |  |  |  |  |  | 2.74%
Service multiplier |  | $ 115 | 115 |  | 115 |  |  |  |
Pension Plan | Pro Forma |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Pension and OPEB, asset |  | 227,000,000 | 227,000,000 |  | 227,000,000 |  |  |  |
Current liabilities |  | (4,000,000) | (4,000,000) |  | (4,000,000) |  |  |  |
Non-current liabilities |  | (558,000,000) | (558,000,000) |  | (558,000,000) |  |  |  |
Funded Status |  | (335,000,000) | (335,000,000) |  | (335,000,000) |  |  |  |
Pension Plan | Forecast | Pension Plan, October 2022 Remeasurement |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Service multiplier |  |  |  |  |  |  |  | $ 126 |
Other Postretirement Benefit Plans, Defined Benefit |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Pension and OPEB, asset |  | 163,000,000 | 163,000,000 |  | 163,000,000 |  |  |  |
Current liabilities |  | (130,000,000) | (130,000,000) |  | (130,000,000) |  |  |  |
Non-current liabilities |  | (2,287,000,000) | (2,287,000,000) |  | (2,287,000,000) |  |  |  |
Funded Status |  | (2,254,000,000) | $ (2,254,000,000) |  | $ (2,254,000,000) |  |  |  |
Increase (decrease) in funded status of plan due to remeasurement |  | 81,000,000 |  |  |  |  |  |  |
Actuarial gains on pension benefit obligations |  | 76,000,000 |  |  |  |  |  |  |
Plan amendment gains (losses) |  | 86,000,000 |  |  |  |  |  |  |
Actual plan asset losses |  | $ (81,000,000) |  |  |  |  |  |  |
Discount rate used to measure benefit obligations |  | 5.64% | 5.64% |  | 5.64% |  |  |  | 2.91%
Net periodic benefit costs (credits) |  |  | $ 18,000,000 | $ 21,000,000 | $ 54,000,000 | $ 65,000,000 |  |  |
Other Postretirement Benefit Plans, Defined Benefit | Other Postretirement Benefits Plan, October 2022 Remeasurement |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Discount rate used to measure benefit obligations |  |  |  |  |  |  |  |  | 3.12%
Other Postretirement Benefit Plans, Defined Benefit | Pro Forma |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Pension and OPEB, asset |  | $ 163,000,000 | 163,000,000 |  | 163,000,000 |  |  |  |
Current liabilities |  | (94,000,000) | (94,000,000) |  | (94,000,000) |  |  |  |
Non-current liabilities |  | (801,000,000) | (801,000,000) |  | (801,000,000) |  |  |  |
Funded Status |  | $ (732,000,000) | $ (732,000,000) |  | $ (732,000,000) |  |  |  |
Subsequent Event |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Term of labor agreement | 4 years |  |  |  |  |  |  |  |
Number of employees covered in labor agreement | employee | 12,000 |  |  |  |  |  |  |  |
Labor agreement, number of locations | location | 13 |  |  |  |  |  |  |  |
Net periodic benefit costs (credits) |  |  |  |  |  |  | $ (125,000,000) |  |
Subsequent Event | Pension Plan | Pension Plan, October 2022 Remeasurement |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Increase (decrease) in funded status of plan due to remeasurement | $ (94,000,000) |  |  |  |  |  |  |  |
Actuarial gains on pension benefit obligations | 648,000,000 |  |  |  |  |  |  |  |
Plan amendment gains (losses) | (90,000,000) |  |  |  |  |  |  |  |
Actual plan asset losses | $ (652,000,000) |  |  |  |  |  |  |  |
Discount rate used to measure benefit obligations | 5.61% |  |  |  |  |  |  |  |
Subsequent Event | Other Postretirement Benefit Plans, Defined Benefit | Other Postretirement Benefits Plan, October 2022 Remeasurement |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Increase (decrease) in funded status of plan due to remeasurement | $ 1,522,000,000 |  |  |  |  |  |  |  |
Actuarial gains on pension benefit obligations | 1,460,000,000 |  |  |  |  |  |  |  |
Plan amendment gains (losses) | $ 62,000,000 |  |  |  |  |  |  |  |
Discount rate used to measure benefit obligations | 5.63% |  |  |  |  |  |  |  |

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