Debt and Borrowing Arrangements - Interest and Other Expense (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Debt Disclosure [Abstract]
Interest expense, debt	$ 110	$ 123
Loss related to interest rate swaps	103	0
Other (income)/expense, net	(23)	(43)
Interest and other expense, net	$ 190	$ 80