Consolidated Statement of Cash Flows (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash Flows from Operating Activities
Net income including noncontrolling interest	$ 2,360	$ 2,327
Adjustments to reconcile net income including noncontrolling interest to net cash provided by operating activities
Depreciation and amortization	671	634
Company pension and postretirement contributions	(171)	(672)
Company pension and postretirement expense	275	335
Stock-based compensation expense	150	145
Deferred income taxes	37	86
Excess tax benefits from stock-based compensation	(51)	(41)
Changes in assets and liabilities
Accounts receivable	(628)	(553)
Inventories	(167)	(268)
Accounts payable	199	150
Accrued income taxes (current and long-term)	166	226
Product and other insurance receivables and claims	19	(63)
Other - net	(187)	(89)
Net cash provided by operating activities	2,673	2,217
Cash Flows from Investing Activities
Purchases of property, plant and equipment (PP&E)	(718)	(619)
Proceeds from sale of PP&E and other assets	18	8
Acquisitions, net of cash acquired	0	(144)
Purchases of marketable securities and investments	(3,000)	(2,311)
Proceeds from sale of marketable securities and investments	1,464	1,027
Proceeds from maturities of marketable securities	1,484	1,181
Proceeds from sale of businesses	8	0
Other investing	4	4
Net cash used in investing activities	(740)	(854)
Cash Flows from Financing Activities
Change in short-term debt - net	(12)	(34)
Repayment of debt (maturities greater than 90 days)	(12)	(18)
Proceeds from debt (maturities greater than 90 days)	11	1,244
Purchases of treasury stock	(1,995)	(1,163)
Proceeds from issuance of treasury stock pursuant to stock option and benefit plans	1,103	479
Dividends paid to shareholders	(876)	(820)
Excess tax benefits from stock-based compensation	51	41
Other - net	3	0
Net cash used in financing activities	(1,727)	(271)
Effect of exchange rate changes on cash and cash equivalents	(147)	(3)
Net increase (decrease) in cash and cash equivalents	59	1,089
Cash and cash equivalents at beginning of year	2,883	2,219
Cash and cash equivalents at end of period	$ 2,942	$ 3,308