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Debt - Schedule of Interest Rate Derivatives (Details) - USD ($) $ in Millions	Dec. 31, 2023	Mar. 31, 2023
Interest Rate Swap, Swapped to Fixed, Expiration Date February 2024
Debt Instrument [Line Items]
Notional Amount	$ 600
Interest Rate Swap, Swapped to Fixed, Expiration Date February 2024 | Minimum
Debt Instrument [Line Items]
Rate Range	3.86%
Interest Rate Swap, Swapped to Fixed, Expiration Date February 2024 | Maximum
Debt Instrument [Line Items]
Rate Range	3.88%
Interest Rate Swap, Swapped to Variable, Expiration Date February 2024
Debt Instrument [Line Items]
Notional Amount	$ 600
Interest Rate Swap, Swapped to Variable, Expiration Date February 2024 | Minimum
Debt Instrument [Line Items]
Rate Range	3.35%
Interest Rate Swap, Swapped to Variable, Expiration Date February 2024 | Maximum
Debt Instrument [Line Items]
Rate Range	3.36%
Interest Rate Swap, Swapped to Fixed, Expiration Date July 2026
Debt Instrument [Line Items]
Notional Amount	$ 3,000
Interest Rate Swap, Swapped to Fixed, Expiration Date July 2026 | Minimum
Debt Instrument [Line Items]
Rate Range	4.89%
Interest Rate Swap, Swapped to Fixed, Expiration Date July 2026 | Maximum
Debt Instrument [Line Items]
Rate Range	4.97%
Interest Rate Swap, Swapped to Variable, Expiration Date July 2026
Debt Instrument [Line Items]
Notional Amount	$ 700
Interest Rate Swap, Swapped to Variable, Expiration Date July 2026 | Minimum
Debt Instrument [Line Items]
Rate Range	3.44%
Interest Rate Swap, Swapped to Variable, Expiration Date July 2026 | Maximum
Debt Instrument [Line Items]
Rate Range	3.49%
Interest Rate Swap, Swapped to Fixed, Expiration Date December 2030
Debt Instrument [Line Items]
Notional Amount	$ 1,625	$ 750
Interest Rate Swap, Swapped to Fixed, Expiration Date December 2030 | Minimum
Debt Instrument [Line Items]
Rate Range	5.20%
Interest Rate Swap, Swapped to Fixed, Expiration Date December 2030 | Maximum
Debt Instrument [Line Items]
Rate Range	5.37%
Interest rate swaps
Debt Instrument [Line Items]
Derivative, basis spread on variable rate	2.00%

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Effective rate of debt instruments after taking into account the impact of derivative contracts.

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