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Marketable Securities - Schedule of Debt Securities Based on Contractual Maturity Dates (Details) - USD ($)
$ in Millions
Jun. 30, 2023
Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]    
Maturities within one year $ 6,999.1 $ 4,636.4
Maturities after one year through five years 5,281.1 5,381.4
Maturities after five years 9.8 0.4
Total $ 12,290.0 $ 10,018.2