Fair Value Measurements - Schedule of Long-Term Debt is Recorded at Amortized Cost (Details) - Fair Value, Recurring - Fair value, inputs, level 2 - USD ($) $ in Millions	Dec. 31, 2022	Mar. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying amount of liabilities	$ 5,856	$ 5,879
Estimated fair values of liabilities	$ 5,607	$ 5,999