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PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS (Tables) | 6 Months Ended
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Jun. 30, 2022
Retirement Benefits [Abstract] |
Schedule of Net Benefit Costs [Table Text Block] | The following table provides the components of the Company's net periodic benefit cost for all significant plans:
Net Periodic Benefit Cost for All Significant Plans | Three Months Ended | Six Months Ended
In millions | Jun 30, 2022 | Jun 30, 2021 | Jun 30, 2022 | Jun 30, 2021
Defined Benefit Pension Plans |  |  |  |
Service cost | $ | 99 |  | $ | 96 |  | $ | 198 |  | $ | 198 |
Interest cost | 171 |  | 150 |  | 342 |  | 293 |
Expected return on plan assets | (423) |  | (435) |  | (847) |  | (857) |
Amortization of prior service credit | (5) |  | (5) |  | (11) |  | (10) |
Amortization of net loss | 165 |  | 200 |  | 332 |  | 424 |
Curtailment gain | — |  | — |  | — |  | (19) |
Net periodic benefit cost | $ | 7 |  | $ | 6 |  | $ | 14 |  | $ | 29 |
Other Postretirement Benefit Plans |  |  |  |
Service cost | $ | 2 |  | $ | 2 |  | $ | 3 |  | $ | 4 |
Interest cost | 7 |  | 5 |  | 14 |  | 11 |
Amortization of net gain | (4) |  | (1) |  | (8) |  | (3) |
Net periodic benefit cost | $ | 5 |  | $ | 6 |  | $ | 9 |  | $ | 12 |

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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