Consolidated Statement of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Net income	$ 571	$ 518	$ 1,787	$ 1,698
Other comprehensive income/(loss), net of tax
Foreign currency translation	(210)	(49)	(182)	(300)
Other Comprehensive Income (Loss), Net of Tax	(210)	(49)
Comprehensive income / (loss)	$ 361	$ 469	$ 1,605	$ 1,398