Consolidated Statement of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net income	$ 718	$ 272	$ 1,294	$ 911
Other comprehensive income/(loss), net of tax (Note 10)
Foreign currency translation	(335)	176	(332)	(62)
Total other comprehensive income/(loss), net of tax	(335)	176	(332)	(62)
Comprehensive income	$ 383	$ 448	$ 962	$ 849