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Debt - Narrative (Details) - USD ($)	3 Months Ended
	Sep. 30, 2022	Mar. 31, 2022
Debt Instrument [Line Items]
Long-term debt, excluding finance lease liabilities	$ 3,695,000,000	$ 4,065,000,000
Fair value
Debt Instrument [Line Items]
Long-term debt, excluding finance lease liabilities	3,100,000,000	3,700,000,000
Carrying value
Debt Instrument [Line Items]
Long-term debt, excluding finance lease liabilities	3,600,000,000	$ 4,000,000,000
USD term loan | USD Term Loan Due 2025
Debt Instrument [Line Items]
Face amount	$ 500,000,000
Extension term	1 year

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