Share-Based Compensation (Details) - USD ($) $ in Millions	3 Months Ended
Jun. 30, 2024	Jun. 30, 2023
Share-based Compensation by Award [Line Items]
Total compensation expense	$ 18	$ 6
Deferred Compensation Share-based Arrangements, Liability, Current and Noncurrent	$ 38
SARs
Share-based Compensation by Award [Line Items]
Number of SARs granted (in shares)	1,440,152
Unrecognized compensation expense	$ 12
Unrecognized compensation expense, weighted average period of recognition (years)	1 year 6 months
RSUs
Share-based Compensation by Award [Line Items]
Number of RSUs granted (in shares)	1,678,791
Cash payments to settle liabilities	$ 14	13
Unrecognized compensation expense	$ 28
Unrecognized compensation expense, weighted average period of recognition (years)	1 year 8 months 12 days
Cash
Share-based Compensation by Award [Line Items]
Cash payments to settle liabilities	$ 1	$ 3

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Amount of cash paid to settle liability for award under share-based payment arrangement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Net number of non-option equity instruments granted to participants.

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