Fair Value - Fair Value Measurements on a Recurring Basis (Details) - Recurring - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Mar. 31, 2022
Assets:
Other debt securities	$ 46		$ 51
Total assets	102		107
Liabilities:
Contingent consideration	2		8
Total liabilities	2		8
Level 1
Assets:
Other debt securities	0		0
Total assets	56		56
Liabilities:
Contingent consideration	0		0
Total liabilities	0		0
Level 2
Assets:
Other debt securities	44		49
Total assets	44		49
Liabilities:
Contingent consideration	0		0
Total liabilities	0		0
Cost basis	50		53
Unrealized losses	(6)		(4)
(Loss) gain included in other income, net	(2)	$ 1
Level 3
Assets:
Other debt securities	2		2
Total assets	2		2
Liabilities:
Contingent consideration	2		8
Total liabilities	2		8
Money market funds and money market deposit accounts
Assets:
Cash and cash equivalents	10		5
Money market funds and money market deposit accounts | Level 1
Assets:
Cash and cash equivalents	10		5
Money market funds and money market deposit accounts | Level 2
Assets:
Cash and cash equivalents	0		0
Money market funds and money market deposit accounts | Level 3
Assets:
Cash and cash equivalents	0		0
Time deposits
Assets:
Cash and cash equivalents	46		51
Time deposits | Level 1
Assets:
Cash and cash equivalents	46		51
Time deposits | Level 2
Assets:
Cash and cash equivalents	0		0
Time deposits | Level 3
Assets:
Cash and cash equivalents	$ 0		$ 0