PENSION AND OTHER POSTRETIREMENT BENEFIT PROGRAMS - Summary of Pre-Tax losses Included in AOCI (Details) - USD ($) $ in Millions |
Dec. 31, 2022 |
Dec. 31, 2021 |
---|---|---|
Pension benefits | ||
Summary of the pre-tax losses included in AOCI | ||
Actuarial loss (gain) | $ 509 | $ 509 |
Prior service credit and transition obligation | 8 | 8 |
Total pre-tax loss (gain) recognized in AOCI | 517 | 517 |
OPEB | ||
Summary of the pre-tax losses included in AOCI | ||
Actuarial loss (gain) | (69) | (37) |
Prior service credit and transition obligation | (27) | (36) |
Total pre-tax loss (gain) recognized in AOCI | $ (96) | $ (73) |