Income Taxes - Income Tax Related Assets and Liabilities (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Current assets:
Income tax receivables and prepaid taxes	$ 60	$ 78
Non-current:
Income taxes receivable and prepaid taxes	192	130
Deferred tax assets	460	221
Deferred tax assets, noncurrent	652	351
Deferred tax assets, total	712	429
Current liabilities:
Liability for uncertain tax positions	(1)	(34)
Income taxes payable	(119)	(163)
Deferred tax liabilities, current	(120)	(197)
Non-current:
Deferred taxes	(168)	(576)
Income taxes payable	(16)	(39)
Liability for uncertain tax positions	(403)	(379)
Deferred tax liabilities, noncurrent	(587)	(994)
Deferred tax liabilities, total	(707)	(1,191)
Valuation allowance	2,064	$ 2,133
Net decrease in deferred tax asset valuation allowance	66
Net decrease in deferred tax asset valuation allowance for currency translation	$ 55