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EMPLOYEE BENEFIT PLANS - ABO and PBO (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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Summary of pension obligations greater than fair value of related plan assets |  |
Total accumulated benefit obligations | $ 1,703 | $ 2,342
Plans with pension obligations in excess of plan assets: |  |
PBO | 1,398 | 1,836
ABO | 1,396 | 1,834
Fair value of plan assets | 1,229 | 1,661
United States |  |
Summary of pension obligations greater than fair value of related plan assets |  |
Total accumulated benefit obligations | 1,387 | 1,826
Plans with pension obligations in excess of plan assets: |  |
PBO | 1,387 | 1,826
ABO | 1,387 | 1,826
Fair value of plan assets | 1,229 | 1,661
Non-U.S. |  |
Summary of pension obligations greater than fair value of related plan assets |  |
Total accumulated benefit obligations | 316 | 516
Plans with pension obligations in excess of plan assets: |  |
PBO | 11 | 10
ABO | 9 | 8
Fair value of plan assets | $ 0 | $ 0

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- Definition Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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