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RETIREMENT AND DEFERRED COMPENSATION PLANS - Changes in Benefit Obligation, Fair Value of Plan Assets and Funded Status of Pension and Postretirement Benefit Plans (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Change in Plan Assets |  |  |
Fair value of plan assets at beginning of year | $ 137 |  |
Fair value of plan assets at end of year | 150 | $ 137 |
Pension Benefits |  |  |
Change in Projected Benefit Obligation |  |  |
Projected benefit obligation at beginning of year | 108 | 211 | $ 233
Service cost | 1 | 2 | 3
Interest cost | 5 | 3 | 3
Foreign currency exchange rates | 6 | (21) | (2)
Actuarial losses (gains) | 3 | (79) | (5)
Plan settlements | 0 | 0 | (17)
Benefits paid | (5) | (8) | (4)
Retiree contributions | 0 | 0 | 0
Projected benefit obligation at end of year | 118 | 108 | 211
Change in Plan Assets |  |  |
Fair value of plan assets at beginning of year | 137 | 254 | 262
Actual return (loss) on plan assets | 8 | (87) | 11
Foreign currency exchange rates | 8 | (26) | (3)
Employer contributions | 2 | 4 | 5
Plan settlements | 0 | 0 | (17)
Benefits paid | (5) | (8) | (4)
Retiree contributions | 0 | 0 | 0
Fair value of plan assets at end of year | 150 | 137 | 254
Funded status at end of year | 32 | 29 | 43
Amounts recognized in Consolidated Balance Sheet |  |  |
Current liability | 0 | 0 | 0
Non-current asset | 32 | 29 | 43
Amounts recognized in Consolidated Balance Sheet | 32 | 29 | 43
Pre-tax Amounts Recognized in Accumulated Other Comprehensive Income (Loss) |  |  |
Accumulated gain (loss) | $ (12) | $ (10) | $ 1
Weighted Average Assumptions used as of December 31 |  |  |
Discount rate | 4.80% | 5.00% | 1.80%
Salary increases | 4.60% | 4.70% | 4.90%
Expected return on assets | 4.80% | 4.70% | 1.90%
Postretirement Benefits |  |  |
Change in Projected Benefit Obligation |  |  |
Projected benefit obligation at beginning of year | $ 15 | $ 20 | $ 20
Service cost | 1 | 1 | 1
Interest cost | 1 | 0 | 0
Foreign currency exchange rates | 0 | 0 | 0
Actuarial losses (gains) | 0 | (5) | 1
Plan settlements | 0 | 0 | 0
Benefits paid | (3) | (3) | (4)
Retiree contributions | 1 | 2 | 2
Projected benefit obligation at end of year | 15 | 15 | 20
Change in Plan Assets |  |  |
Fair value of plan assets at beginning of year | 0 | 0 | 0
Actual return (loss) on plan assets | 0 | 0 | 0
Foreign currency exchange rates | 0 | 0 | 0
Employer contributions | 1 | 2 | 2
Plan settlements | 0 | 0 | 0
Benefits paid | (3) | (4) | (4)
Retiree contributions | 2 | 2 | 2
Fair value of plan assets at end of year | 0 | 0 | 0
Funded status at end of year | (15) | (15) | (20)
Amounts recognized in Consolidated Balance Sheet |  |  |
Current liability | (2) | (2) | (2)
Non-current liability | (13) | (13) | (18)
Amounts recognized in Consolidated Balance Sheet | (15) | (15) | (20)
Pre-tax Amounts Recognized in Accumulated Other Comprehensive Income (Loss) |  |  |
Accumulated gain (loss) | $ 16 | $ 18 | $ 14
Weighted Average Assumptions used as of December 31 |  |  |
Discount rate | 5.00% | 5.29% | 2.57%
Healthcare cost trend |  |  |
Initial | 6.25% | 6.50% | 6.25%
Ultimate in 2030 | 5.25% | 5.25% | 5.00%

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