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

PENSION AND OTHER POSTRETIREMENT BENEFITS (Details 1) -Obligations, Assets and Funded Status

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PENSION AND OTHER POSTRETIREMENT BENEFITS (Details 1) -Obligations, Assets and Funded Status
$ in Millions
12 Months Ended
Dec. 31, 2025
USD ($)
country
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Amounts recognized in consolidated balance sheets      
Pension assets $ 1,033 $ 1,189  
Liability, Defined Benefit Pension Plan, Noncurrent (443) (503)  
UNITED STATES      
Change in benefit obligation      
Benefit obligation at the beginning of the year 3,167 3,381  
Service cost 133 142 $ 117
Interest cost 173 167 168
Actuarial loss (gain) 105 (163)  
Benefits paid directly by employer or from fund (247) (328)  
Benefit obligation at the end of the year 3,300 3,167 3,381
Change in plan assets      
Fair value of plan assets at the beginning of the year 3,706 3,826  
Actual return on plan assets 330 178  
Employer contributions 0 30  
Benefits paid from Fund (247) (328)  
Exchange rate changes 0 0  
Fair value of plan assets at the end of the year 3,789 3,706 3,826
Funded status      
Funded status at end of year 489 539  
Amounts recognized in consolidated balance sheets      
Pension assets 963 1,071  
Accrued compensation, benefits and retirement costs (31) (29)  
Liability, Defined Benefit Pension Plan, Noncurrent (443) (503)  
Net amount recognized 489 539  
Amounts recognized in accumulated other comprehensive loss consist of:      
Net actuarial loss (gain) 464 429  
Prior service cost (credit) 4 6  
Net amount recognized 468 435  
UNITED STATES | Nonqualified Plan      
Change in benefit obligation      
Benefits paid directly by employer or from fund (31) (32)  
UNITED KINGDOM      
Change in benefit obligation      
Benefit obligation at the beginning of the year 1,350 1,525  
Service cost 15 18 17
Interest cost 77 71 70
Actuarial loss (gain) 4 (133)  
Benefits paid directly by employer or from fund (98) (108)  
Exchange rate changes 100 (23)  
Benefit obligation at the end of the year 1,448 1,350 1,525
Change in plan assets      
Fair value of plan assets at the beginning of the year 1,468 1,720  
Actual return on plan assets 19 (128)  
Employer contributions 19 9  
Benefits paid from Fund (98) (108)  
Exchange rate changes 110 (25)  
Fair value of plan assets at the end of the year 1,518 1,468 1,720
Funded status      
Funded status at end of year 70 118  
Amounts recognized in consolidated balance sheets      
Pension assets 70 118  
Accrued compensation, benefits and retirement costs 0 0  
Liability, Defined Benefit Pension Plan, Noncurrent 0 0  
Net amount recognized 70 118  
Amounts recognized in accumulated other comprehensive loss consist of:      
Net actuarial loss (gain) 739 691  
Prior service cost (credit) 6 7  
Net amount recognized 745 698  
Other Pension Plan      
Change in plan assets      
Employer contributions $ 23 21  
Less Significant Defined Benefit or Other Postretirement Plans Applicable to Number of Countries | country 15    
Percentage of Defined Benefit Plans Assets Included in Other Liabilities and Deferred Revenue 6.00%    
Percentage of Defined Benefit Plans, Obligations Included in Other Liabilities and Deferred Revenue 7.00%    
Other Postretirement Benefit Plan      
Change in benefit obligation      
Benefit obligation at the beginning of the year $ 120 150  
Interest cost 6 7 9
Plan participants' contributions 5 8  
Actuarial loss (gain) (13) (18)  
Benefits paid directly by employer or from fund (10) (27)  
Benefit obligation at the end of the year $ 108 $ 120 $ 150
Change in plan assets      
Less Significant Defined Benefit or Other Postretirement Plans Applicable to Number of Countries | country 5    
Percentage of Defined Benefit Plans, Obligations Included in Other Liabilities and Deferred Revenue 20.00% 17.00%  
Funded status      
Funded status at end of year $ (108) $ (120)  
Amounts recognized in consolidated balance sheets      
Accrued compensation, benefits and retirement costs (14) (16)  
Liability, Other Postretirement Defined Benefit Plan, Noncurrent (94) (104)  
Net amount recognized (108) (120)  
Amounts recognized in accumulated other comprehensive loss consist of:      
Net actuarial loss (gain) (68) (60)  
Prior service cost (credit) (3) (3)  
Net amount recognized $ (71) $ (63)