XML 81 R56.htm IDEA: XBRL DOCUMENT v3.24.2.u1
Fair Value Investment in Marketable Securities (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Gain Loss On Marketable Securities        
Gross proceeds from sales of AFS securities $ 375 $ 370 $ 494 $ 739