Financing Arrangements and Derivative Financial Instruments (Schedule of Amounts Due Within One Year) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Notes payable and overdrafts long term debt and capital leases due with in one year and short term financing arrangements
Notes Payable and Overdrafts	$ 102	$ 256
Long term debt and capital leases due within one year:
Other domestic and international debt (including capital leases)	96	156
Total obligations due within one year	$ 198	$ 412
Notes payable and overdrafts [Member]
Notes payable and overdrafts long term debt and capital leases due with in one year and short term financing arrangements
Weighted Average Interest Rate	4.29%	5.56%
Long term debt and capital leases due within one year [Member]
Long term debt and capital leases due within one year:
Weighted average interest rate	6.88%	10.78%