v3.25.4
Employee Benefit Plans - Summary of Change in Assets Measured at Level 3 (Details) - Level 3 - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
The effect of fair-value measurements using significant unobservable inputs on changes in Level 3 plan assets for the period are outlined below    
Beginning balance $ 152 $ 138
Actual Return on Plan Assets:    
Assets held at the reporting date 8 10
Assets sold during the period 10 11
Purchases, Sales and Settlements 454 (7)
Transfers in and/or out of Level 3 0 0
Ending balance 624 152
U.S.    
The effect of fair-value measurements using significant unobservable inputs on changes in Level 3 plan assets for the period are outlined below    
Beginning balance 0 1
Actual Return on Plan Assets:    
Assets held at the reporting date 0 (1)
Assets sold during the period 0 0
Purchases, Sales and Settlements 0 0
Transfers in and/or out of Level 3 0 0
Ending balance 0 0
International    
The effect of fair-value measurements using significant unobservable inputs on changes in Level 3 plan assets for the period are outlined below    
Beginning balance 21 0
Actual Return on Plan Assets:    
Assets held at the reporting date 8 11
Assets sold during the period 0 2
Purchases, Sales and Settlements 0 2
Transfers in and/or out of Level 3 0 6
Ending balance 29 21
Real Estate    
The effect of fair-value measurements using significant unobservable inputs on changes in Level 3 plan assets for the period are outlined below    
Beginning balance 0 0
Actual Return on Plan Assets:    
Assets held at the reporting date 0 0
Assets sold during the period 0 0
Purchases, Sales and Settlements 0 0
Transfers in and/or out of Level 3 0 0
Ending balance 0 0
Other    
The effect of fair-value measurements using significant unobservable inputs on changes in Level 3 plan assets for the period are outlined below    
Beginning balance 131 137
Actual Return on Plan Assets:    
Assets held at the reporting date 0 0
Assets sold during the period 10 9
Purchases, Sales and Settlements 454 (9)
Transfers in and/or out of Level 3 0 (6)
Ending balance $ 595 $ 131