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Employee Benefit Plans - Narrative (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]      
Funded (unfunded) status of the plan $ 51 $ 84  
Defined benefit plan, net periodic benefit expense 142 43  
Cost for defined contribution retirement plans 52 53 $ 52
Amount not yet recognized in net periodic benefit income (expense) $ 9 0  
Fixed income securities      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan, target allocation percentage 90.00%    
Defined benefit plan, target allocation percentage to hedge projected liabilities 100.00%    
Equity securities      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan, target allocation percentage 10.00%    
U.S. equities      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan, target allocation within equity securities 50.00%    
Non-US Equity      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan, target allocation within equity securities 50.00%    
Postretirement Medical Plan      
Defined Benefit Plan Disclosure [Line Items]      
Funded (unfunded) status of the plan $ (30) (41)  
Amount not yet recognized in net periodic benefit income (expense) (1) $ 0  
Qualified Plans      
Defined Benefit Plan Disclosure [Line Items]      
Funded (unfunded) status of the plan $ 106    
Expected long-term rate of return on plan assets 5.40% 5.00%  
Discount rate - net periodic benefit costs 2.43% 1.96%  
Non-Qualified Plans      
Defined Benefit Plan Disclosure [Line Items]      
Funded (unfunded) status of the plan $ (55)    
Employer contributions $ 5    
Minimum | Postretirement Medical Plan      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate - net periodic benefit costs 2.14% 1.56% 2.66%
Minimum | Qualified Plans      
Defined Benefit Plan Disclosure [Line Items]      
Expected long-term rate of return on plan assets     5.60%
Discount rate - net periodic benefit costs     2.96%
Minimum | Non-Qualified Plans      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate - net periodic benefit costs 1.70% 1.11% 2.40%
Maximum | Postretirement Medical Plan      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate - net periodic benefit costs 2.79% 2.34% 3.22%
Maximum | Non-Qualified Plans      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate - net periodic benefit costs 2.23% 1.71% 2.78%