Income Taxes (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			9 Months Ended
	Sep. 30, 2014	Jun. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Tax Disclosure [Abstract]
Tax provision	$ 98		$ 49	$ 136	$ 74
Income (Loss) Before Income Taxes	187		80	60	24
Restructuring Charges	154		0	283	0
Long-Lived Assets Impairment	0		0	143	0
Impairment of Long-Lived Assets - Net of Tax				121
Goodwill Impairment	(4)	121	0	121	0
Discrete income before tax				283
Impairment of Ongoing Project				50
Uncertain tax positions, estimated for next twelve months	(25)			(25)
Litigation settlement amount					$ 153