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COMPANY-SPONSORED EMPLOYEE BENEFIT PLANS - Projected Benefit Obligation, Accumulated Benefit Obligation, and Fair Value of Plan Assets for Pension Plans With an Accumulated Benefit Obligation in Excess of Plan Assets (Details) - Pension Benefits - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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United States |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Projected benefit obligation, Projected Benefit Obligation Exceeds the Fair Value of the Plan Assets | $ 46,559 | $ 47,712
Accumulated benefit obligation, Projected Benefit Obligation Exceeds the Fair Value of the Plan Assets | 46,526 | 47,674
Fair value of plan assets, Projected Benefit Obligation Exceeds the Fair Value of the Plan Assets | 41,499 | 43,491
Projected benefit obligation, Accumulated Benefit Obligation Exceeds the Fair Value of Plan Assets | 46,559 | 47,712
Accumulated benefit obligation, Accumulated Benefit Obligation Exceeds the Fair Value of Plan Assets | 46,526 | 47,674
Fair value of plan assets, Accumulated Benefit Obligation Exceeds the Fair Value of Plan Assets | 41,499 | 43,491
International Pension Benefits |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Projected benefit obligation, Projected Benefit Obligation Exceeds the Fair Value of the Plan Assets | 337 | 345
Accumulated benefit obligation, Projected Benefit Obligation Exceeds the Fair Value of the Plan Assets | 301 | 304
Fair value of plan assets, Projected Benefit Obligation Exceeds the Fair Value of the Plan Assets | 135 | 127
Projected benefit obligation, Accumulated Benefit Obligation Exceeds the Fair Value of Plan Assets | 281 | 315
Accumulated benefit obligation, Accumulated Benefit Obligation Exceeds the Fair Value of Plan Assets | 255 | 281
Fair value of plan assets, Accumulated Benefit Obligation Exceeds the Fair Value of Plan Assets | $ 88 | $ 100

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