Condensed Statements of Consolidated Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
OPERATING ACTIVITIES
Net income	$ 929,673	$ 855,832
Adjustments to reconcile net income to net operating cash:
Depreciation	128,313	126,972
Amortization of intangible assets	20,172	19,969
Stock-based compensation expense	48,115	47,838
Amortization of credit facility and debt issuance costs	44,823	2,611
Provisions for qualified exit costs	1,541	7,488
Provisions for environmental-related matters	21,219	18,688
Defined benefit pension plans net cost	12,550	5,365
Net increase in postretirement liability	961	(111)
Other	7,825	1,284
Change in working capital accounts - net	(241,619)	(107,833)
Costs incurred for environmental-related matters	(8,825)	(8,151)
Costs incurred for qualified exit costs	(5,074)	(5,822)
Other	6,860	(61,626)
Net operating cash	966,534	902,504
INVESTING ACTIVITIES
Capital expenditures	(173,101)	(157,990)
Proceeds from sale of assets	5,545	11,159
Increase in other investments	(69,143)	(14,946)
Net investing cash	(236,699)	(161,777)
FINANCING ACTIVITIES
Net increase (decrease) in short-term borrowings	6,547	(634,315)
Proceeds from long-term debt	500	797,460
Payments of long-term debt	(1,150)	0
Payments for credit facility and debt issuance costs	(61,433)	0
Payments of cash dividends	(233,863)	(187,242)
Proceeds from stock options exercised	66,337	74,020
Income tax effect of stock-based compensation exercises and vesting (see Note 11)	0	86,801
Treasury stock purchased	0	(766,087)
Other	(12,644)	(42,027)
Net financing cash	(235,706)	(671,390)
Effect of exchange rate changes on cash	2,696	(19,040)
Net increase in cash and cash equivalents	496,825	50,297
Cash and cash equivalents at beginning of year	205,744	40,732
Cash and cash equivalents at end of period	702,569	91,029
Income taxes paid	314,663	235,838
Interest paid	$ 115,370	$ 33,992