v3.24.0.1
Investments - Narrative (Details) - USD ($)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Investments, Debt and Equity Securities [Abstract]      
Allowance for credit loss, available-for-sale debt securities $ 0 $ 0  
Debt securities in an unrealized loss position 777,000,000 748,000,000  
Debt securities, unrealized loss 16,000,000 19,000,000  
Debt securities, available-for-sale, continuous unrealized loss position, 12 months or longer, accumulated loss 283,000,000 92,000,000  
Debt securities, available-for-sale, continuous unrealized loss position, 12 months or longer 14,000,000 13,000,000  
Realized loss on marketable equity securities     $ 13,000,000
Equity securities without readily determinable fair value, carrying value 83,000,000 75,000,000  
Impairment of investments 0 0 3,000,000
Downward adjustment 0 0  
Upward adjustment 4,000,000 0 0
Cumulative impairment of investments 56,000,000    
Carrying value of equity method investments 8,000,000 14,000,000  
Loss from equity method investments 6,000,000 5,000,000 4,000,000
Impairment in equity method investments $ 0 $ 0 $ 0