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PENSION AND OTHER POSTRETIREMENT BENEFIT PROGRAMS - Funded Status Percentage of Company's Pension Plans (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
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Funded status percentage of the company's pension plans |  |
Fair value of plan assets | $ 3,784 | $ 3,434
PBO | $ 4,443 |
Funded status percentage | 85.00% |
Qualified Pension Plan | U.S. |  |
Funded status percentage of the company's pension plans |  |
Fair value of plan assets | $ 2,700 |
PBO | $ 2,713 |
Funded status percentage | 100.00% |
Qualified Pension Plan | International plans |  |
Funded status percentage of the company's pension plans |  |
Fair value of plan assets | $ 1,084 |
PBO | $ 1,015 |
Funded status percentage | 107.00% |
Non Qualified Pension Plan | U.S. |  |
Funded status percentage of the company's pension plans |  |
PBO | $ 257 |
Non Qualified Pension Plan | International plans |  |
Funded status percentage of the company's pension plans |  |
PBO | $ 458 |

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- Definition Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. + 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 (a) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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