v3.26.1
Employee Benefits - Narrative (Details)
$ in Millions
3 Months Ended
Mar. 31, 2026
USD ($)
Defined Benefit Plan Disclosure [Line Items]  
Pre-medicare company contribution for retiree medical coverage, maximum percent 4.00%
Contribution to other post retirement plans $ 44
Pension Benefits  
Defined Benefit Plan Disclosure [Line Items]  
Defined benefit plan, contributions by employer to employee pension plan 251
Pension Benefits | United States  
Defined Benefit Plan Disclosure [Line Items]  
Defined benefit plan, contributions by employer to employee pension plan $ 224