Other (Income) Expense, 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]
Exchange (gains) losses	$ 1	$ 18	$ 6	$ 52
Interest expense	98	0	160	0
Other, net	3	(8)	16	(8)
Other (income) expense, net	$ 102	$ 10	$ 182	$ 44