Financing Arrangements and Derivative Financial Instruments (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 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	$ 163	$ 256
Long term debt and capital leases due within one year:
Other domestic and international debt (including capital leases)	110	156
Total obligations due within one year	$ 273	$ 412
Notes payable and overdrafts
Notes payable and overdrafts long term debt and capital leases due with in one year and short term financing arrangements
Weighted Average Interest Rate	4.64%	5.56%
Long term debt and capital leases due within one year
Long term debt and capital leases due within one year:
Weighted average interest rate	7.29%	10.78%