Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Net income	$ 407	$ 613	$ 428	$ 1,216
Other comprehensive income/(loss), net of tax
Foreign currency translation	87	8	(261)	28
Comprehensive income / (loss)	$ 494	$ 621	$ 167	$ 1,244