Supplemental Balance Sheet Information (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Other current assets
Prepaid expenses and other	$ 676	$ 555
Deferred income taxes	385	282
Derivative assets-current	107	38
Product and other insurance receivables	109	92
Total other current assets	1,277	967
Investments
Equity method	98	84
Cost method	47	36
Other investments	10	26
Total investments	155	146
Other assets
Deferred income taxes	1,018	648
Product and other insurance receivables	151	143
Cash surrender value of life insurance policies	223	213
Other	264	258
Total other assets	1,656	1,262
Other current liabilities
Accrued trade payables	516	476
Deferred income	389	369
Derivative liabilities	49	87
Restructuring actions	6	22
Employee benefits and withholdings	160	167
Product and other claims	159	132
Property and other taxes	94	196
Pension and postretirement benefits	53	41
Deferred income taxes	23	26
Other	636	506
Total other current liabilities	2,085	2,022
Other liabilities
Long term income taxes payable	595	627
Employee benefits	577	524
Product and other claims	329	324
Capital lease obligations	79	94
Deferred income	19	18
Deferred income taxes	251	198
Other	7	69
Total other liabilities	1,857	1,854
Drafts payable
Drafts payable on demand included in Accounts payable	$ 82	$ 82