Operating Segment Information (Net Sales and Long-Lived Assets by Country) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 5,090	$ 4,683	$ 4,748	$ 4,248	$ 4,791	$ 4,494	$ 4,510	$ 4,348	$ 18,769	$ 18,143	$ 18,666
Long-Lived Assets	6,467				6,483				6,467	6,483	6,586
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									8,577	8,005	8,035
Long-Lived Assets	4,461				4,412				4,461	4,412	4,464
Brazil
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									3,295	3,337	3,343
Long-Lived Assets	335				377				335	377	405
All Other Countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									6,897	6,801	7,288
Long-Lived Assets	$ 1,671				$ 1,694				$ 1,671	$ 1,694	$ 1,717