XML 255 R148.htm IDEA: XBRL DOCUMENT v3.25.1
Pensions and Post-Employment Benefits - Summary of Plan Assets Measured at Estimated Fair Value (Detail) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of fair value of plan assets [line items]      
Cash $ 25 $ 24  
Investments in corporate bonds 283 402  
Investments in government bonds 339 323  
Total fixed-income securities 647 749  
Investment in marketable securities 200 222  
Other investments and private funds 298 304  
Total variable-income securities 498 526  
Total plan assets 1,145 1,275 $ 1,208
Level 1 [Member]      
Disclosure of fair value of plan assets [line items]      
Cash 25 24  
Investments in corporate bonds 237 11  
Investments in government bonds 339 114  
Total fixed-income securities 601 149  
Investment in marketable securities 127 179  
Other investments and private funds 44 70  
Total variable-income securities 171 249  
Total plan assets 772 398  
Level 2 [Member]      
Disclosure of fair value of plan assets [line items]      
Investments in corporate bonds 46 391  
Investments in government bonds 0 209  
Total fixed-income securities 46 600  
Investment in marketable securities 73 43  
Other investments and private funds 32 33  
Total variable-income securities 105 76  
Total plan assets 151 676  
Level 3 [Member]      
Disclosure of fair value of plan assets [line items]      
Other investments and private funds 222 201  
Total variable-income securities 222 201  
Total plan assets $ 222 $ 201