CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2022	Mar. 31, 2022
Statement of Financial Position [Abstract]
Accounts receivable, allowance	$ 8	$ 56
Ordinary shares, par value (in dollars per share)	$ 0	$ 0
Ordinary shares, authorized (in shares)	1,500,000,000	1,500,000,000
Ordinary shares, issued (in shares)	503,876,758	510,799,667
Ordinary shares, outstanding (in shares)	453,637,403	460,560,312
Treasury stock (in shares)	50,239,355	50,239,355