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Debt Instrument, Basis Spread on Variable Rate, Adjustment

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Debt Instrument, Covenant, Senior Net Leverage Ratio

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Debt Instrument, Quarterly Amortization Payment, Percentage

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Debt Instrument, Quarterly Amortization Payments, Percent

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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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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Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Gross amount of debt extinguished.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Debt (Term Loan Facility) (Details)		1 Months Ended				3 Months Ended	12 Months Ended
Debt (Term Loan Facility) (Details)	Jun. 30, 2023	Mar. 31, 2025 USD ($)	Sep. 30, 2023 USD ($)	Apr. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Mar. 31, 2025 USD ($)	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)
Debt Instrument [Line Items]
Proceeds from issuance of long-term and short-term borrowings							$ 2,268,000,000	$ 749,000,000	$ 50,000,000
Long-term debt, principal		$ 5,832,000,000				$ 5,832,000,000	5,832,000,000	4,914,000,000
Loss on extinguishment of debt, net							(7,000,000)	$ (5,000,000)	$ 0
Secured Debt \| 2025 Term Loan
Debt Instrument [Line Items]
Maximum borrowing capacity		1,250,000,000				1,250,000,000	1,250,000,000
Proceeds from lines of credit		1,250,000,000
Debt issuance costs, gross		$ 16,000,000				16,000,000	16,000,000
Quarterly amortization payments, percent		0.25%
Secured Debt \| 2025 Term Loan \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Variable rate			2.00%
Secured Debt \| 2025 Term Loan \| Maximum
Debt Instrument [Line Items]
Debt covenant, senior net leverage ratio		3.25
Secured Debt \| 2025 Term Loan \| If Additional Term Loans to be Issued
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 1,725,000,000				$ 1,725,000,000	$ 1,725,000,000
Consolidated EBIDTA, percent		100.00%				100.00%	100.00%
Secured Debt \| 2023 Term Loans
Debt Instrument [Line Items]
Extinguishment of debt		$ 741,000,000				$ 741,000,000
Quarterly amortization payments, percent			0.25%
Proceeds from issuance of long-term and short-term borrowings			$ 750,000,000
Secured Debt \| 2023 Term Loans \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Variable rate			1.65%
Secured Debt \| 2021 Term Loans
Debt Instrument [Line Items]
Proceeds from lines of credit				$ 20,000,000	$ 480,000,000
Extinguishment of debt		481,000,000				481,000,000
Quarterly amortization payment, percentage					0.25%
Secured Debt \| 2021 Term Loans \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Variable rate	2.00%
Adjustment	0.15%
Secured Debt \| 2021 Term Loans \| LIBOR
Debt Instrument [Line Items]
Variable rate					2.00%
Secured Debt \| 2020 Term Loans
Debt Instrument [Line Items]
Extinguishment of debt						482,000,000
Long-term debt, principal		750,000,000				750,000,000	$ 750,000,000
Modification amount		$ 268,000,000				268,000,000	$ 268,000,000
Loss on extinguishment of debt, net						$ 5,000,000