CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
CASH FLOWS FROM (FOR) OPERATING ACTIVITIES:
Net income (loss)	$ 580	$ 534	$ 394
Depreciation and amortization	127	134	133
Display amortization	25	25	20
Deferred income taxes	10	130	212
Employee withholding taxes paid on stock-based compensation	33	40	36
(Gain) on disposition of investments, net	(4)	(4)	(7)
Loss on disposition of businesses, net	13	0	0
Pension and other postretirement benefits	(38)	(78)	(18)
Impairment of financial investments, net	2	0	0
Impairment of property and equipment, net	0	0	2
Stock-based compensation	38	29	41
Increase in receivables	(127)	(120)	(104)
(Increase) decrease in inventories	(76)	(39)	17
Increase in accounts payable and accrued liabilities, net	53	71	82
Debt extinguishment costs	104	40	0
Other, net	11	27	2
Net cash from operating activities	751	789	810
CASH FLOWS FROM (FOR) FINANCING ACTIVITIES:
Retirement of notes	(535)	(1,300)	(500)
Purchase of Company common stock	(331)	(459)	(456)
Cash dividends paid	(129)	(128)	(126)
Dividends paid to noncontrolling interest	(35)	(31)	(36)
Cash distributed to TopBuild Corp.	0	0	(63)
Issuance of TopBuild Corp. debt	0	0	200
Issuance of notes, net of issuance costs	593	889	497
Debt extinguishment costs	(104)	(40)	0
Increase in debt	2	3	4
Issuance of Company common stock	0	1	2
Employee withholding taxes paid on stock-based compensation	33	40	36
Payment of debt	(5)	(4)	(4)
Credit Agreement and other financing costs	0	0	(3)
Net cash for financing activities	(577)	(1,109)	(521)
CASH FLOWS FROM (FOR) INVESTING ACTIVITIES:
Capital expenditures	(173)	(180)	(158)
Acquisition of businesses, net of cash acquired	(89)	0	(41)
Proceeds from disposition of:
Businesses, net of cash disposed	128	0	0
Short-term bank deposits	218	251	279
Property and equipment	24	0	18
Other financial investments	7	32	10
Purchases of short-term bank deposits	(106)	(211)	(253)
Other, net	(34)	(16)	(44)
Net cash for investing activities	(25)	(124)	(189)
Effect of exchange rate changes on cash and cash investments	55	(34)	(15)
CASH AND CASH INVESTMENTS:
Increase (decrease) for the year	204	(478)	85
At January 1	990	1,468	1,383
At December 31	$ 1,194	$ 990	$ 1,468