Annual report [Section 13 and 15(d), not S-K Item 405]

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)

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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, 2025
Dec. 31, 2024
United States    
Defined Benefit Plan Disclosure [Line Items]    
Projected benefit obligation, Projected Benefit Obligation Exceeds the Fair Value of the Plan Assets $ 48,472 $ 46,559
Accumulated benefit obligation, Projected Benefit Obligation Exceeds the Fair Value of the Plan Assets 48,445 46,526
Fair value of plan assets, Projected Benefit Obligation Exceeds the Fair Value of the Plan Assets 43,689 41,499
Projected benefit obligation, Accumulated Benefit Obligation Exceeds the Fair Value of Plan Assets 48,472 46,559
Accumulated benefit obligation, Accumulated Benefit Obligation Exceeds the Fair Value of Plan Assets 48,445 46,526
Fair value of plan assets, Accumulated Benefit Obligation Exceeds the Fair Value of Plan Assets 43,689 41,499
International Pension Benefits    
Defined Benefit Plan Disclosure [Line Items]    
Projected benefit obligation, Projected Benefit Obligation Exceeds the Fair Value of the Plan Assets 379 337
Accumulated benefit obligation, Projected Benefit Obligation Exceeds the Fair Value of the Plan Assets 345 301
Fair value of plan assets, Projected Benefit Obligation Exceeds the Fair Value of the Plan Assets 159 135
Projected benefit obligation, Accumulated Benefit Obligation Exceeds the Fair Value of Plan Assets 318 281
Accumulated benefit obligation, Accumulated Benefit Obligation Exceeds the Fair Value of Plan Assets 296 255
Fair value of plan assets, Accumulated Benefit Obligation Exceeds the Fair Value of Plan Assets $ 105 $ 88