POSTRETIREMENT BENEFIT PLANS - Plan Obligations in Excess of Plan Assets (Details) - USD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
Jan. 01, 2023 |
|---|---|---|---|
| Retirement Benefits [Abstract] | |||
| Accumulated benefit obligation | $ 22,595 | $ 22,185 | $ 22,906 |
| Plans with accumulated benefit obligation in excess of plan assets | |||
| Accumulated benefit obligation | 19,754 | 19,517 | |
| Fair value of plan assets | 14,677 | 14,327 | |
| Plans with projected benefit obligation in excess of plan assets | |||
| Projected benefit obligation | 19,778 | 19,540 | |
| Fair value of plan assets | $ 14,677 | $ 14,327 |
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- References No definition available.
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- Definition Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of plan asset for defined benefit pension plan with projected benefit obligation in excess of plan assets. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of projected benefit obligation for defined benefit pension plan with projected benefit obligation in excess of plan assets. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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- Definition Amount of accumulated benefit obligation for defined benefit plan with accumulated benefit obligation in excess of plan assets. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of plan asset for defined benefit plan with accumulated benefit obligation in excess of plan assets. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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