v3.25.2
Benefit Obligations - Schedule of Company Commitments to Fund Benefit Obligations (Details)
$ in Millions
 6 Months Ended
Jun. 30, 2025
USD ($)
Cash contributions to defined benefit pension plans  
Defined Benefit Plan Disclosure [Line Items]  
Total contributions year-to-date $ 14
Total expected contributions in current fiscal year 30
Benefit payments to nonqualified pension plans  
Defined Benefit Plan Disclosure [Line Items]  
Total contributions year-to-date 9
Total expected contributions in current fiscal year 18
Benefit payments to other postretirement benefit plans  
Defined Benefit Plan Disclosure [Line Items]  
Total contributions year-to-date 4
Total expected contributions in current fiscal year $ 3