v3.22.4
Post-Employment Benefits - Defined Benefit Pension Plan Assets (Details) - Defined benefit plans - 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 value of plan assets $ 8,472 $ 10,655 $ 9,702
Fair value measured at Levels 1, 2 and 3      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets 3,360 4,503  
Fair value measured at Levels 1, 2 and 3 | U.S. large cap      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [1] 949 1,428  
Fair value measured at Levels 1, 2 and 3 | U.S. mid cap      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [2] 157 198  
Fair value measured at Levels 1, 2 and 3 | International      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [3] 327 458  
Fair value measured at Levels 1, 2 and 3 | U.S. government securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [4] 237 228  
Fair value measured at Levels 1, 2 and 3 | Corporate debt instruments      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [4] 680 945  
Fair value measured at Levels 1, 2 and 3 | Non-U.S. government securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [4] 548 602  
Fair value measured at Levels 1, 2 and 3 | Other fixed income securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [4] 84 273  
Fair value measured at Levels 1, 2 and 3 | Absolute return funds      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [5] 91 100  
Fair value measured at Levels 1, 2 and 3 | Real assets      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets 9 10  
Fair value measured at Levels 1, 2 and 3 | Other plan assets      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [6] 278 261  
Quoted prices in active markets for identical assets (Level 1)      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets 2,419 3,302  
Quoted prices in active markets for identical assets (Level 1) | U.S. large cap      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [1] 949 1,428  
Quoted prices in active markets for identical assets (Level 1) | U.S. mid cap      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [2] 157 198  
Quoted prices in active markets for identical assets (Level 1) | International      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [3] 327 458  
Quoted prices in active markets for identical assets (Level 1) | U.S. government securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [4] 69 95  
Quoted prices in active markets for identical assets (Level 1) | Corporate debt instruments      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [4] 144 179  
Quoted prices in active markets for identical assets (Level 1) | Non-U.S. government securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [4] 402 445  
Quoted prices in active markets for identical assets (Level 1) | Other fixed income securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [4] 81 268  
Quoted prices in active markets for identical assets (Level 1) | Absolute return funds      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [5] 4 5  
Quoted prices in active markets for identical assets (Level 1) | Real assets      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets 9 10  
Quoted prices in active markets for identical assets (Level 1) | Other plan assets      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [6] 277 216  
Significant other observable inputs (Level 2)      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets 941 1,201  
Significant other observable inputs (Level 2) | U.S. large cap      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [1] 0 0  
Significant other observable inputs (Level 2) | U.S. mid cap      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [2] 0 0  
Significant other observable inputs (Level 2) | International      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [3] 0 0  
Significant other observable inputs (Level 2) | U.S. government securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [4] 168 133  
Significant other observable inputs (Level 2) | Corporate debt instruments      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [4] 536 766  
Significant other observable inputs (Level 2) | Non-U.S. government securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [4] 146 157  
Significant other observable inputs (Level 2) | Other fixed income securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [4] 3 5  
Significant other observable inputs (Level 2) | Absolute return funds      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [5] 87 95  
Significant other observable inputs (Level 2) | Real assets      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets 0 0  
Significant other observable inputs (Level 2) | Other plan assets      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [6] 1 45  
Significant unobservable inputs (Level 3)      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets 0 0  
Significant unobservable inputs (Level 3) | U.S. large cap      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [1] 0 0  
Significant unobservable inputs (Level 3) | U.S. mid cap      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [2] 0 0  
Significant unobservable inputs (Level 3) | International      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [3] 0 0  
Significant unobservable inputs (Level 3) | U.S. government securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [4] 0 0  
Significant unobservable inputs (Level 3) | Corporate debt instruments      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [4] 0 0  
Significant unobservable inputs (Level 3) | Non-U.S. government securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [4] 0 0  
Significant unobservable inputs (Level 3) | Other fixed income securities      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [4] 0 0  
Significant unobservable inputs (Level 3) | Absolute return funds      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [5] 0 0  
Significant unobservable inputs (Level 3) | Real assets      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets 0 0  
Significant unobservable inputs (Level 3) | Other plan assets      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets [6] 0 0  
Total assets measured at NAV      
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]      
Fair value of plan assets $ 5,112 $ 6,152  
[1] A mix of index funds and actively managed equity accounts that are benchmarked to various large cap indices.
[2] A mix of index funds and actively managed equity accounts that are benchmarked to various mid cap indices.
[3] A mix of index funds and actively managed equity accounts that are benchmarked to various non-U.S. equity indices in both developed and emerging markets.
[4] Securities held by actively managed accounts, index funds and mutual funds.
[5] Primarily funds having global mandates with the flexibility to allocate capital broadly across a wide range of asset classes and strategies, including but not limited to equities, fixed income, commodities, financial futures, currencies and other securities, with objectives to outperform agreed upon benchmarks of specific return and volatility targets.
[6] Investments in cash and cash equivalents.