Statement of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Statement of Comprehensive Income [Abstract]
Net Income	$ 468	$ 458
Other Comprehensive Income (Loss):
Foreign currency translation adjustments, net of tax	164	(577)
Pension and other postretirement benefit adjustments, net of tax	8	9
Comprehensive Income (Loss)	$ 640	$ (110)