Consolidated Statement of Cash Flows (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash Flows from Operating Activities
Net income including noncontrolling interest	$ 3,819	$ 3,605
Adjustments to reconcile net income including noncontrolling interest to net cash provided by operating activities
Depreciation and amortization	1,058	1,014
Company pension and postretirement contributions	(112)	(385)
Company pension and postretirement expense	293	414
Stock-based compensation expense	221	197
Deferred income taxes	(61)	(54)
Excess tax benefits from stock-based compensation	(121)	(68)
Changes in assets and liabilities
Accounts receivable	(587)	(643)
Inventories	(232)	(155)
Accounts payable	55	(26)
Accrued income taxes (current and long-term)	36	25
Product and other insurance receivables and claims	50	37
Other - net	24	(137)
Net cash provided by operating activities	4,443	3,824
Cash Flows from Investing Activities
Purchases of property, plant and equipment (PP&E)	(1,003)	(1,122)
Proceeds from sale of PP&E and other assets	116	86
Acquisitions, net of cash acquired	(94)	0
Purchases of marketable securities and investments	(1,028)	(3,589)
Proceeds from maturities and sale of marketable securities and investments	1,411	3,902
Proceeds from sale of businesses	0	8
Other investing	20	13
Net cash used in investing activities	(578)	(702)
Cash Flows from Financing Activities
Change in short-term debt - net	1,935	607
Repayment of debt (maturities greater than 90 days)	(1,551)	(853)
Proceeds from debt (maturities greater than 90 days)	1,064	12
Purchases of treasury stock	(4,373)	(3,538)
Proceeds from issuance of treasury stock pursuant to stock option and benefit plans	739	1,372
Dividends paid to shareholders	(1,672)	(1,307)
Excess tax benefits from stock-based compensation	121	68
Purchase of noncontrolling interest	(699)	0
Other - net	(37)	(4)
Net cash used in financing activities	(4,473)	(3,643)
Effect of exchange rate changes on cash and cash equivalents	(44)	(22)
Net increase (decrease) in cash and cash equivalents	(652)	(543)
Cash and cash equivalents at beginning of year	2,581	2,883
Cash and cash equivalents at end of period	$ 1,929	$ 2,340