Restructuring Charges (Restructuring Liability) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Restructuring Reserve [Roll Forward]
Restructuring Charges	$ 154	$ 0	$ 283	$ 0
Accrued balance at end of period	46		46
Corporate and Research and Development [Member]
Restructuring Reserve [Roll Forward]
Restructuring Charges	0		30
Accrued balance at end of period	13		13
North America
Restructuring Reserve [Roll Forward]
Restructuring Charges	15		44
Accrued balance at end of period	1		1
MENA/ Asia Pacific
Restructuring Reserve [Roll Forward]
Restructuring Charges	116		135
Accrued balance at end of period	16		16
Europe/ SSA/ Russia
Restructuring Reserve [Roll Forward]
Restructuring Charges	10		37
Accrued balance at end of period	16		16
Latin America
Restructuring Reserve [Roll Forward]
Restructuring Charges	13		37
Accrued balance at end of period	0		0
One-time Termination Benefits [Member]
Restructuring Reserve [Roll Forward]
Accrued balance at beginning of period			0
Restructuring Charges	21		119
Cash Payments			(81)
Other			(6)
Accrued balance at end of period	32		32
Asset impairment charges
Restructuring Reserve [Roll Forward]
Restructuring Charges	117		138
Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Accrued balance at beginning of period			0
Restructuring Charges	16		26
Cash Payments			(12)
Other			0
Accrued balance at end of period	14		14
Severance and Other Restructuring Liabilities [Member]
Restructuring Reserve [Roll Forward]
Accrued balance at beginning of period			0
Restructuring Charges			145
Cash Payments			(93)
Other			(6)
Accrued balance at end of period	$ 46		$ 46