v3.22.4
Postretirement Benefit Plans - Plan Assets by Level Three Hierarchy (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
U.S. | Defined Benefit      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 421 $ 934 $ 1,061
U.S. | Retiree Health Care      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 280 385 389
Non-U.S. | Defined Benefit      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 1,822 2,813 $ 3,008
Other | U.S. | Defined Benefit      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets [1] 421 934  
Other | U.S. | Retiree Health Care      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets [1] 273 375  
Other | Non-U.S. | Defined Benefit      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets [1] 1,669 2,587  
Level 1 | U.S. | Defined Benefit      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Level 1 | U.S. | Retiree Health Care      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 7 10  
Level 1 | Non-U.S. | Defined Benefit      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 92 120  
Level 2 | U.S. | Defined Benefit      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Level 2 | U.S. | Retiree Health Care      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Level 2 | Non-U.S. | Defined Benefit      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 61 106  
Fixed income securities and cash equivalents | U.S. | Defined Benefit      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 272 655  
Fixed income securities and cash equivalents | U.S. | Retiree Health Care      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 182 248  
Fixed income securities and cash equivalents | Non-U.S. | Defined Benefit      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 1,382 2,220  
Fixed income securities and cash equivalents | Other | U.S. | Defined Benefit      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets [1] 272 655  
Fixed income securities and cash equivalents | Other | U.S. | Retiree Health Care      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets [1] 175 238  
Fixed income securities and cash equivalents | Other | Non-U.S. | Defined Benefit      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets [1] 1,282 2,045  
Fixed income securities and cash equivalents | Level 1 | U.S. | Defined Benefit      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Fixed income securities and cash equivalents | Level 1 | U.S. | Retiree Health Care      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 7 10  
Fixed income securities and cash equivalents | Level 1 | Non-U.S. | Defined Benefit      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 40 71  
Fixed income securities and cash equivalents | Level 2 | U.S. | Defined Benefit      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Fixed income securities and cash equivalents | Level 2 | U.S. | Retiree Health Care      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Fixed income securities and cash equivalents | Level 2 | Non-U.S. | Defined Benefit      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 60 104  
Equity securities | U.S. | Defined Benefit      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 149 279  
Equity securities | U.S. | Retiree Health Care      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 98 137  
Equity securities | Non-U.S. | Defined Benefit      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 440 593  
Equity securities | Other | U.S. | Defined Benefit      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets [1] 149 279  
Equity securities | Other | U.S. | Retiree Health Care      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets [1] 98 137  
Equity securities | Other | Non-U.S. | Defined Benefit      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets [1] 387 542  
Equity securities | Level 1 | U.S. | Defined Benefit      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Equity securities | Level 1 | U.S. | Retiree Health Care      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Equity securities | Level 1 | Non-U.S. | Defined Benefit      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 52 49  
Equity securities | Level 2 | U.S. | Defined Benefit      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Equity securities | Level 2 | U.S. | Retiree Health Care      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Equity securities | Level 2 | Non-U.S. | Defined Benefit      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 1 $ 2  
[1] Consists of bond index and equity index funds, measured at net asset value per share, as well as cash equivalents.