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Investments - Short-Term and Long-Term Investment Securities (Details) - USD ($)
$ in Millions
Mar. 31, 2023
Dec. 31, 2022
Investment securities    
Available-for-sale investment securities $ 170 $ 337
Held-to-maturity investment securities 177 177
Total investment in debt securities 347 514
Time deposits    
Investment securities    
Available-for-sale investment securities 150 285
Commercial paper    
Investment securities    
Available-for-sale investment securities 7 39
Debt securities    
Investment securities    
Available-for-sale investment securities 13 13
Corporate bonds    
Investment securities    
Held-to-maturity investment securities $ 177 $ 177