Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Operating activities
Net income	$ 3,510	$ 3,052	$ 1,769
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation	1,283	1,204	1,251
Amortization of Intangible Assets	277	176	252
Other noncash charges and credits - net	992	809	976
Contributions to pension plans	(341)	(782)	(306)
(Increase) decrease in operating assets:
Accounts and notes receivable	(360)	(481)	69
Inventories and other operating assets	(902)	(512)	481
Increase (decrease) in operating liabilities:
Accounts payable and other operating liabilities	526	1,010	(115)
Accrued interest and income taxes	167	83	364
Cash provided by operating activities	5,152	4,559	4,741
Investing activities
Purchases of property, plant and equipment	(1,843)	(1,508)	(1,308)
Investments in affiliates	(67)	(100)	(124)
Payments for businesses - net of cash acquired	(6,459)	(637)	(13)
Proceeds from sales of assets - net of cash sold	214	195	91
Net decrease (increase) in short-term financial instruments	2,149	(457)	(2,016)
Forward exchange contract settlements	(227)	176	(927)
Other investing activities - net	(5)	(108)	(1)
Cash used for investing activities	(6,238)	(2,439)	(4,298)
Financing activities
Dividends paid to stockholders	(1,533)	(1,501)	(1,492)
Net increase (decrease) in short-term (less than 90 days) borrowings	185	20	(317)
Long-term and other borrowings:
Receipts	2,539	2,061	3,685
Payments	(1,163)	(2,859)	(1,977)
Repurchase of common stock	(672)	(250)	0
Proceeds from exercise of stock options	952	708	1
Other financing activities - net	95	(8)	3
Cash provided by (used for) financing activities	403	(1,829)	(97)
Effect of exchange rate changes on cash	6	(49)	30
(Decrease) increase in cash and cash equivalents	(677)	242	376
Cash and cash equivalents at beginning of year	4,263	4,021	3,645
Cash and cash equivalents at end of year	3,586	4,263	4,021
Supplemental cash flow information:
Interest, net of amounts capitalized	455	623	403
Taxes	$ 527	$ 416	$ 63