Consolidated Statements Of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Cash Flows from Operating Activities:
Net income	$ 1,728	$ 2,805	$ 3,558
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	978	942	846
Amortization of purchased intangibles	19	15	8
Restructuring, impairment and other charges (credits)	133	129	(329)
Loss on retirement of debt	26		30
Stock compensation charges	70	86	92
Undistributed earnings of affiliated companies less than (in excess of) dividends received	280	(651)	(246)
Deferred tax provision	68	115	68
Restructuring payments	(15)	(16)	(66)
Cash received from settlement of insurance claims		66	259
Employee benefit payments less than (in excess of) expense	36	132	(265)
Changes in certain working capital items:
Trade accounts receivable	(272)	(84)	(162)
Inventories	(23)	(201)	(160)
Other current assets	(81)	(20)	42
Accounts payable and other current liabilities	189	(27)	192
Other, net	70	(102)	(32)
Net cash provided by operating activities	3,206	3,189	3,835
Cash Flows from Investing Activities:
Capital expenditures	(1,801)	(2,432)	(1,007)
Acquisitions of businesses, net of cash received	(723)	(215)	(63)
Net proceeds from sale or disposal of assets		2	1
Investment in affiliates	(111)
Short-term investments - acquisitions	(2,270)	(2,582)	(2,768)
Short-term investments - liquidations	2,269	3,171	2,061
Other, net	8		7
Net cash used in investing activities	(2,628)	(2,056)	(1,769)
Cash Flows from Financing Activities:
Net repayments of short-term borrowings and current portion of long-term debt	(26)	(24)	(75)
Proceeds from issuance of long-term debt, net	1,362	120	689
Payment to settle interest rate swap agreements	(18)
Retirements of long-term debt, net	(280)		(364)
Principal payments under capital lease obligations	(1)	(32)	(9)
Proceeds from issuance of common stock, net			15
Proceeds from the exercise of stock options	38	90	55
Repurchases of common stock for treasury	(720)	(780)
Dividends paid	(472)	(354)	(313)
Other, net	2
Net cash used in financing activities	(115)	(980)	(2)
Effect of exchange rates on cash	(136)	(90)	(7)
Net increase in cash and cash equivalents	327	63	2,057
Cash and cash equivalents at beginning of year	4,661	4,598	2,541
Cash and cash equivalents at end of year	$ 4,988	$ 4,661	$ 4,598