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Long-term Employee Benefits - Plan Assets (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]      
Total weighted-average allocation 100.00% 100.00%  
Pension Plan [Member] | Foreign [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Total pension assets $ 462 $ 464 $ 422
Pension Plan [Member] | Foreign [Member] | Cash and Cash Equivalents [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Total weighted-average allocation 2.00% 6.00%  
Total pension assets at fair value $ 9 $ 28  
Pension Plan [Member] | Foreign [Member] | Cash and Cash Equivalents [Member] | Level 1 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Total pension assets at fair value 9 $ 28  
Pension Plan [Member] | Foreign [Member] | Cash and Cash Equivalents [Member] | Level 2 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Total pension assets at fair value $ 0    
Pension Plan [Member] | Foreign [Member] | Equity securities [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Total weighted-average allocation 38.00% 36.00%  
Total pension assets at fair value $ 175 $ 168  
Pension Plan [Member] | Foreign [Member] | Equity securities [Member] | Level 1 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Total pension assets at fair value 18 39  
Pension Plan [Member] | Foreign [Member] | Equity securities [Member] | Level 2 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Total pension assets at fair value $ 157 $ 129  
Pension Plan [Member] | Foreign [Member] | Fixed Income Securities [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Total weighted-average allocation 60.00% 58.00%  
Pension Plan [Member] | Foreign [Member] | Total Pension Assets at Fair Value [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Total pension assets $ 431 $ 443  
Pension Plan [Member] | Foreign [Member] | Total Pension Assets at Fair Value [Member] | Level 1 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Total pension assets 36 105  
Pension Plan [Member] | Foreign [Member] | Total Pension Assets at Fair Value [Member] | Level 2 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Total pension assets 395 338  
Pension Plan [Member] | Foreign [Member] | Pooled Mortgage Funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Total pension assets 31 21  
Pension Plan [Member] | Foreign [Member] | Government Issued [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Total pension assets at fair value 69 63  
Pension Plan [Member] | Foreign [Member] | Government Issued [Member] | Level 1 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Total pension assets at fair value 5 15  
Pension Plan [Member] | Foreign [Member] | Government Issued [Member] | Level 2 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Total pension assets at fair value 64 48  
Pension Plan [Member] | Foreign [Member] | Corporate Issued [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Total pension assets at fair value 116 116  
Pension Plan [Member] | Foreign [Member] | Corporate Issued [Member] | Level 1 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Total pension assets at fair value 4 23  
Pension Plan [Member] | Foreign [Member] | Corporate Issued [Member] | Level 2 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Total pension assets at fair value 112 93  
Pension Plan [Member] | Foreign [Member] | Derivative Financial Instruments, Assets      
Defined Benefit Plan Disclosure [Line Items]      
Total pension assets at fair value 60 66  
Pension Plan [Member] | Foreign [Member] | Derivative Financial Instruments, Assets | Level 1 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Total pension assets at fair value 0 0  
Pension Plan [Member] | Foreign [Member] | Derivative Financial Instruments, Assets | Level 2 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Total pension assets at fair value 60 66  
Pension Plan [Member] | Foreign [Member] | Other Plan Assets      
Defined Benefit Plan Disclosure [Line Items]      
Total pension assets at fair value 2 2  
Pension Plan [Member] | Foreign [Member] | Other Plan Assets | Level 1 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Total pension assets at fair value 0 0  
Pension Plan [Member] | Foreign [Member] | Other Plan Assets | Level 2 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Total pension assets at fair value $ 2 $ 2