CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings	$ 534	$ 489
Provision for losses on accounts receivable	6	4
Deferred income taxes and tax uncertainties	12	3
Depreciation and amortization	113	128
Net gains from sales of assets, net of write-offs	(5)	(14)
Stock-based compensation	23	28
Losses from equity method investment	0	15
Subtotal	149	164
Change in operating assets and liabilities:
Accounts receivable	(118)	(148)
Inventories	12	(45)
Prepaid expenses and other assets	(22)	(25)
Trade accounts payable	100	5
Accrued liabilities	(187)	(60)
Income taxes payable, net	(7)	28
Other non-current liabilities	(11)	(13)
Subtotal	(233)	(258)
Net cash provided by operating activities	450	395
CASH FLOWS FROM INVESTING ACTIVITIES:
Additions to property, buildings and equipment and intangibles	(107)	(103)
Proceeds from sales of assets	14	43
Equity method proceeds (investment)	2	(14)
Net cash used in investing activities	(91)	(74)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings under lines of credit	19	22
Payments against lines of credit	(16)	(22)
Payments of long-term debt	(34)	(36)
Proceeds from stock options exercised	16	87
Payments for employee taxes withheld from stock awards	(10)	(29)
Purchase of treasury stock	(400)	(201)
Cash dividends paid	(163)	(155)
Other, net	2	3
Net cash used in financing activities	(586)	(331)
Exchange rate effect on cash and cash equivalents	4	(4)
NET CHANGE IN CASH AND CASH EQUIVALENTS	(223)	(14)
Cash and cash equivalents at beginning of year	538	327
Cash and cash equivalents at end of period	$ 315	$ 313