Consolidated Statement of Cash Flows (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash Flows from Operating Activities
Net income including noncontrolling interest	$ 2,327	$ 2,280
Adjustments to reconcile net income including noncontrolling interest to net cash provided by operating activities
Depreciation and amortization	634	608
Company pension and postretirement contributions	(672)	(125)
Company pension and postretirement expense	335	268
Stock-based compensation expense	145	172
Deferred income taxes	86	5
Excess tax benefits from stock-based compensation	(41)	(49)
Changes in assets and liabilities
Accounts receivable	(553)	(586)
Inventories	(268)	(376)
Accounts payable	150	100
Accrued income taxes (current and long-term)	226	128
Product and other insurance receivables and claims	(63)	(39)
Other - net	(89)	(202)
Net cash provided by operating activities	2,217	2,184
Cash Flows from Investing Activities
Purchases of property, plant and equipment (PP&E)	(619)	(526)
Proceeds from sale of PP&E and other assets	8	5
Acquisitions, net of cash acquired	(144)	(487)
Purchases of marketable securities and investments	(2,311)	(1,425)
Proceeds from sale of marketable securities and investments	1,027	686
Proceeds from maturities of marketable securities	1,181	944
Other investing	4	(6)
Net cash used in investing activities	(854)	(809)
Cash Flows from Financing Activities
Change in short-term debt - net	(34)	(13)
Repayment of debt (maturities greater than 90 days)	(18)	(143)
Proceeds from debt (maturities greater than 90 days)	1,244	109
Purchases of treasury stock	(1,163)	(1,358)
Proceeds from issuance of treasury stock pursuant to stock option and benefit plans	479	753
Dividends paid to shareholders	(820)	(783)
Excess tax benefits from stock-based compensation	41	49
Other - net	0	(51)
Net cash used in financing activities	(271)	(1,437)
Effect of exchange rate changes on cash and cash equivalents	(3)	61
Net increase (decrease) in cash and cash equivalents	1,089	(1)
Cash and cash equivalents at beginning of year	2,219	3,377
Cash and cash equivalents at end of period	$ 3,308	$ 3,376