Geographic Information Schedule of Net Sales by Country (Details) - USD ($) $ in Millions		3 Months Ended								12 Months Ended
		Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015		Dec. 31, 2014		Dec. 31, 2013
Net Sales by Country [Line Items]
Net sales		$ 5,299	$ 4,873	$ 7,121	$ 7,837	$ 5,849	$ 5,905	$ 8,058	$ 8,594	$ 25,130	[1]	$ 28,406	[1]	$ 28,998	[1]
Geographic information threshold		2.00%				2.00%				2.00%		2.00%		2.00%
UNITED STATES
Net Sales by Country [Line Items]
Net sales	[1]									$ 10,021		$ 10,556		$ 10,851
CANADA
Net Sales by Country [Line Items]
Net sales	[1]									734		826		880
FRANCE
Net Sales by Country [Line Items]
Net sales	[1]									575		678		654
GERMANY
Net Sales by Country [Line Items]
Net sales	[1]									959		1,180		1,173
ITALY
Net Sales by Country [Line Items]
Net sales	[1]									546		655		627
Europe, Middle East, and Africa, Other [Member]
Net Sales by Country [Line Items]
Net sales	[1]									3,963		4,806		4,725
Europe, Middle East, and Africa [Member]
Net Sales by Country [Line Items]
Net sales	[1],[2]									6,043		7,319		7,179
CHINA
Net Sales by Country [Line Items]
Net sales	[1]									2,067		2,325		2,268
INDIA
Net Sales by Country [Line Items]
Net sales	[1]									615		603		546
JAPAN
Net Sales by Country [Line Items]
Net sales	[1]									843		961		1,021
Asia Pacific, Other [Member]
Net Sales by Country [Line Items]
Net sales	[1]									2,092		2,267		2,423
Asia Pacific [Member]
Net Sales by Country [Line Items]
Net sales	[1]									5,617		6,156		6,258
BRAZIL
Net Sales by Country [Line Items]
Net sales	[1]									1,401		2,051		2,269
MEXICO
Net Sales by Country [Line Items]
Net sales	[1]									622		682		687
Latin America, Other [Member]
Net Sales by Country [Line Items]
Net sales	[1]									692		816		874
Latin America [Member]
Net Sales by Country [Line Items]
Net sales	[1]									$ 2,715		$ 3,549		$ 3,830

[1] Net sales, based on the location of the customer, are generally presented for locations with greater than two percent of total net sales.

[2] Europe, Middle East, and Africa (EMEA).