Pensions and Other Benefit Programs (Narrative) (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
United States
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Contributions By Employer	$ 4	$ 14
Foreign
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Contributions By Employer	11	14
Nonpension Postretirement Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Contributions By Employer	$ 11	$ 12