Interest and Other Expense (Income), Net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Other Income and Expenses [Abstract]
Interest income	$ (1)	$ (1)	$ (4)	$ (20)
Interest expense from debt and amortization of debt discount and deferred financing costs	27	27	81	72
Realized and unrealized loss (gain) on equity investment	36	(3)	(35)	(3)
Other expense (income), net	3	2	10	6
Interest and other expense (income), net	$ 65	$ 25	$ 52	$ 55