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PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS | 9 Months Ended
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Sep. 30, 2023
Retirement Benefits [Abstract] |
Pension and Other Postretirement Benefits Disclosure [Text Block] | PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS A summary of the Company's pension and other postretirement benefit plans can be found in Note 19 to the Consolidated Financial Statements included in the 2022 10-K. The following table provides the components of the Company's net periodic benefit cost (credit) for all significant plans:
Net Periodic Benefit Cost (Credit) for All Significant Plans | Three Months Ended | Nine Months Ended
In millions | Sep 30, 2023 | Sep 30, 2022 | Sep 30, 2023 | Sep 30, 2022
Defined Benefit Pension Plans |  |  |  |
Service cost | $ | 71 |  | $ | 97 |  | $ | 212 |  | $ | 295 |
Interest cost | 280 |  | 170 |  | 838 |  | 512 |
Expected return on plan assets | (391) |  | (420) |  | (1,170) |  | (1,267) |
Amortization of prior service credit | (7) |  | (5) |  | (20) |  | (16) |
Amortization of net loss | 24 |  | 163 |  | 71 |  | 495 |
Net periodic benefit cost (credit) | $ | (23) |  | $ | 5 |  | $ | (69) |  | $ | 19 |
Other Postretirement Benefit Plans |  |  |  |
Service cost | $ | 1 |  | $ | 1 |  | $ | 3 |  | $ | 4 |
Interest cost | 11 |  | 6 |  | 34 |  | 20 |
Amortization of net gain | (14) |  | (3) |  | (43) |  | (11) |
Net periodic benefit cost (credit) | $ | (2) |  | $ | 4 |  | $ | (6) |  | $ | 13 |
Net periodic benefit cost (credit), other than the service cost component, is included in "Sundry income (expense) - net" in the consolidated statements of income.

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