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(Pension Allocations By Type Of Fund And Target Allocations) (Details)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
U.S. Plans    
Defined Benefit Plan Disclosure [Line Items]    
Actual Allocation Percentage 100.00% 100.00%
Hedging assets | U.S. Plans    
Defined Benefit Plan Disclosure [Line Items]    
Actual Allocation Percentage 66.00% 64.00%
Return seeking assets (a) | U.S. Plans    
Defined Benefit Plan Disclosure [Line Items]    
Actual Allocation Percentage [1] 34.00% 36.00%
Real estate funds    
Defined Benefit Plan Disclosure [Line Items]    
Actual Allocation Percentage 9.00% 9.00%
Private equity    
Defined Benefit Plan Disclosure [Line Items]    
Actual Allocation Percentage 7.00% 8.00%
Minimum [Member] | Hedging assets | U.S. Plans    
Defined Benefit Plan Disclosure [Line Items]    
Target Allocations 61  
Minimum [Member] | Return seeking assets (a) | U.S. Plans    
Defined Benefit Plan Disclosure [Line Items]    
Target Allocations [1] 28  
Maximum [Member] | Hedging assets | U.S. Plans    
Defined Benefit Plan Disclosure [Line Items]    
Target Allocations 72  
Maximum [Member] | Return seeking assets (a) | U.S. Plans    
Defined Benefit Plan Disclosure [Line Items]    
Target Allocations [1] 39  
[1] a) Return seeking assets include Real Estate (9% for both 2023 and 2022) and Private Equity (7% and 8% for 2023 and 2022, respectively).