v3.22.4
Employee Benefit Plans - Fair Value of the Pension Assets (Details) - Pension Benefits - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair values of the plan assets by asset category and by levels of fair value $ 2,266 $ 3,147 $ 3,202
Fixed income and cash investment funds      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair values of the plan assets by asset category and by levels of fair value 1,482 1,890  
Global equity securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair values of the plan assets by asset category and by levels of fair value 180 250  
U.S. equity securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair values of the plan assets by asset category and by levels of fair value 102 222  
Insurance contracts      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair values of the plan assets by asset category and by levels of fair value 100 112  
Real estate      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair values of the plan assets by asset category and by levels of fair value 53 59  
Private equities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair values of the plan assets by asset category and by levels of fair value 37 48  
Other investments      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair values of the plan assets by asset category and by levels of fair value $ 313 $ 566