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Fair Value Disclosures - Narrative (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Debt Instrument [Line Items]    
Carrying value $ 17,400 $ 14,660
Level 2    
Debt Instrument [Line Items]    
Estimated fair value of long-term debt portfolio $ 16,234 $ 13,337