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EMPLOYEE BENEFIT PLANS - Unrecognized Net Actuarial (Gain) Loss (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Unrecognized net actuarial (gain) loss	$ 744	$ 620
Unrecognized prior service cost (credit)	(1)	(1)
Total	743	619
Post-retirement Plans
Defined Benefit Plan Disclosure [Line Items]
Unrecognized net actuarial (gain) loss	17	135
Unrecognized prior service cost (credit)	(24)	(26)
Total	$ (7)	$ 109

X

- Definition

Amount, before tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).

+ References

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- Definition

Amount, before tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.

+ References

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-Publisher FASB
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- Definition

Amount, before tax, of accumulated other comprehensive (income) loss for cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit).

+ References

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