Financing Arrangements - Senior Notes Narrative (Details) - USD ($) $ in Millions	1 Months Ended		9 Months Ended
	Feb. 28, 2021	Feb. 29, 2016	Dec. 31, 2023	Mar. 31, 2023
Debt Instrument [Line Items]
Proceeds from debt, net of issuance costs	$ 1,478
Amortization of debt discount (premium)	6
Debt issuance costs, gross	16
Proceeds from issuance of senior long-term debt		$ 395
2031 Notes
Debt Instrument [Line Items]
Long-term debt	$ 750		$ 750	$ 750
Debt instrument, interest rate, stated percentage	1.85%
Debt instrument, interest rate, effective percentage	1.98%
Debt instrument, convertible, remaining discount amortization period			7 years 1 month 6 days
2051 Notes
Debt Instrument [Line Items]
Long-term debt	$ 750		$ 750	750
Debt instrument, interest rate, stated percentage	2.95%
Debt instrument, interest rate, effective percentage	3.04%
Debt instrument, convertible, remaining discount amortization period			27 years 1 month 6 days
2026 Notes
Debt Instrument [Line Items]
Long-term debt		$ 400	$ 400	400
Debt instrument, interest rate, stated percentage		4.80%
Debt instrument, interest rate, effective percentage		4.97%
Debt instrument, convertible, remaining discount amortization period			2 years 2 months 12 days
Senior Notes
Debt Instrument [Line Items]
Long-term debt			$ 1,900	1,900
Debt instrument, unamortized discount (premium), net		$ (1)	(5)	(6)
Unamortized debt issuance costs		$ (4)	$ (14)	$ (14)
Debt instrument, redemption price, percentage			100.00%
Change of control repurchase event
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage			101.00%