XML 66 R54.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Fair Value - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($)
$ in Millions
Mar. 31, 2024
Dec. 31, 2023
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Investments in equity securities $ 65 $ 69
Available-for-sale debt securities 178 182
Trading securities 5 5
Total assets 248 256
Fair Value, Inputs, Level 1    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Investments in equity securities 65 69
Total assets 65 69
Fair Value, Inputs, Level 2    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Available-for-sale debt securities 178 182
Trading securities 5 5
Total assets $ 183 $ 187