v3.25.4
Employee Benefits, Changes in Benefit Obligation and Fair Value of Plan Assets (Details) - USD ($)
$ in Millions
 12 Months Ended 198 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2025
Cash balance plan [Member]        
Employee Benefits and Other Expenses Textual [Abstract]        
New benefits accrued       $ 0
Pension benefits qualified [Member]        
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]        
Benefit obligation at beginning of period $ 7,476 $ 8,126    
Service cost 34 29 $ 25  
Interest cost 390 387 403  
Plan participants’ contributions 0 0    
Actuarial loss (gain) 159 (379)    
Benefits paid (702) (679)    
Settlements, Curtailments, and Amendments 1 (3)    
Foreign exchange impact (5) (5)    
Benefit obligation at end of period 7,353 7,476 8,126 7,353
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]        
Fair value of plan assets at beginning of period 8,136 8,634    
Actual return on plan assets 668 167    
Employer contribution 18 16    
Plan participants’ contributions 0 0    
Benefits paid (702) (679)    
Foreign exchange impact (1) (2)    
Fair value of plan assets at end of period 8,119 8,136 8,634 8,119
Funded status at end of period 766 660   766
Amounts recognized on the consolidated balance sheet at end of period, Assets 874 751   874
Amounts recognized on the consolidated balance sheet at end of period, Liabilities (108) (91)   (108)
Employee Benefits and Other Expenses Textual [Abstract]        
Settlement loss 0 0 0  
Pension benefits qualified [Member] | Cash balance plan [Member]        
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]        
Employer contribution 0      
Employee Benefits and Other Expenses Textual [Abstract]        
Expected future employer contributions, next fiscal year 0     0
Settlement loss 0 0    
Pension benefits nonqualified [Member]        
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]        
Benefit obligation at beginning of period 325 375    
Service cost 0 0 0  
Interest cost 15 17 18  
Plan participants’ contributions 0 0    
Actuarial loss (gain) 18 (27)    
Benefits paid (40) (40)    
Settlements, Curtailments, and Amendments 0 0    
Foreign exchange impact 0 0    
Benefit obligation at end of period 318 325 375 318
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]        
Fair value of plan assets at beginning of period 0 0    
Actual return on plan assets 0 0    
Employer contribution 40 40    
Plan participants’ contributions 0 0    
Benefits paid (40) (40)    
Foreign exchange impact 0 0    
Fair value of plan assets at end of period 0 0 0 0
Funded status at end of period (318) (325)   (318)
Amounts recognized on the consolidated balance sheet at end of period, Assets 0 0   0
Amounts recognized on the consolidated balance sheet at end of period, Liabilities (318) (325)   (318)
Employee Benefits and Other Expenses Textual [Abstract]        
Settlement loss 1 0 0  
Other benefits [Member]        
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]        
Benefit obligation at beginning of period 269 287    
Service cost 0 0 0  
Interest cost 13 13 15  
Plan participants’ contributions 37 33    
Actuarial loss (gain) (10) (1)    
Benefits paid (72) (66)    
Settlements, Curtailments, and Amendments 21 4    
Foreign exchange impact 0 (1)    
Benefit obligation at end of period 258 269 287 258
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]        
Fair value of plan assets at beginning of period 496 497    
Actual return on plan assets 40 26    
Employer contribution 6 6    
Plan participants’ contributions 37 33    
Benefits paid (72) (66)    
Foreign exchange impact 0 0    
Fair value of plan assets at end of period 507 496 497 507
Funded status at end of period 249 227   249
Amounts recognized on the consolidated balance sheet at end of period, Assets 261 240   261
Amounts recognized on the consolidated balance sheet at end of period, Liabilities (12) (13)   $ (12)
Employee Benefits and Other Expenses Textual [Abstract]        
Settlement loss $ 0 $ 0 $ 0