Condensed Statements of Consolidated Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
OPERATING ACTIVITIES
Net income	$ 542,940	$ 481,341
Adjustments to reconcile net income to net operating cash:
Depreciation	86,724	84,581
Amortization of intangible assets	12,003	13,720
Stock-based compensation expense	31,948	32,578
Amortization of credit facility and debt issuance costs	25,691	2,166
Provisions for qualified exit costs	1,422	1,482
Provisions for environmental-related matters	20,536	11,560
Defined benefit pension plans net cost	9,948	3,576
Net increase in postretirement liability	961	(111)
Other	1,196	(4,539)
Change in working capital accounts - net	(211,572)	(238,809)
Costs incurred for environmental-related matters	(6,716)	(5,573)
Costs incurred for qualified exit costs	(4,155)	(5,045)
Other	(943)	(27,907)
Net operating cash	509,983	349,020
INVESTING ACTIVITIES
Capital expenditures	(114,081)	(87,542)
Proceeds from sale of assets	2,039	8,021
Increase in other investments	(36,950)	(1,486)
Net investing cash	(148,992)	(81,007)
FINANCING ACTIVITIES
Net increase in short-term borrowings	15,318	484,636
Payments of long-term debt	(84)	0
Payments for credit facility and debt issuance costs	(61,433)	0
Payments of cash dividends	(155,721)	(125,251)
Proceeds from stock options exercised	43,708	57,420
Income tax effect of stock-based compensation exercises and vesting (see Note 11)	0	72,529
Treasury stock purchased	0	(679,449)
Other	(12,645)	(34,081)
Net financing cash	(170,857)	(224,196)
Effect of exchange rate changes on cash	6,778	(9,481)
Net increase in cash and cash equivalents	196,912	34,336
Cash and cash equivalents at beginning of year	205,744	40,732
Cash and cash equivalents at end of period	402,656	75,068
Income taxes paid	73,636	45,319
Interest paid	$ 66,583	$ 25,234