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Fair Value Information Narrative (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Derivative assets $ 189 $ 70
Derivative Liability 137 259
Fair Value, Inputs, Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Redeemable Preferred Securities Of Subsidiaries Fair Value Disclosure 37 26
Net Asset Value or Its Equivalent | Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Company-owned life insurance (COLI) $ 71 $ 67