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Fair Value Measurements - Narrative (Details) - USD ($)
$ in Millions
Jun. 30, 2023
Mar. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments in equity securities $ 237 $ 237
Fair value, inputs, level 1 | Fair Value, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money market funds at carrying value $ 806 $ 1,400