XML 49 R38.htm IDEA: XBRL DOCUMENT v3.24.3
Fair Value Disclosures - Narrative (Details) - USD ($)
$ in Millions
Sep. 30, 2024
Dec. 31, 2023
Debt Instrument [Line Items]    
Carrying value of long-term debt portfolio $ 18,753 $ 14,660
Level 2    
Debt Instrument [Line Items]    
Estimated fair value of long-term debt portfolio $ 17,634 $ 13,337