Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Cash flows from operating activities
Net income	$ 428	$ 583	$ 461
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	247	247	237
Restructuring and other	48	44	66
Pension expense	16	28	48
Pension contributions	(294)	(103)	(79)
Stock-based compensation	23	20	27
Deferred income taxes	247	16	25
Changes in assets and liabilities:
Receivables	(132)	29	34
Inventories	(65)	(85)	60
Accounts payable and accrued liabilities	253	163	59
Other, net	(11)	(12)	18
Net cash provided by operating activities	760	930	956
Cash flows from investing activities
Capital expenditures	(498)	(473)	(354)
Acquisition of businesses, net of cash acquired	0	0	(1,207)
Proceeds from sale of businesses, net of cash sold	0	0	33
Proceeds from sale of property, plant and equipment	8	10	7
Net investment hedge settlements	0	0	(11)
Other	(19)	21	(16)
Net cash used for investing activities	(509)	(442)	(1,548)
Cash flows from financing activities
Proceeds from long-term debt	1,054	1,380	1,435
Payments of long-term debt	(1,137)	(1,914)	(900)
Net change in revolving credit facility and short-term debt	95	(32)	(7)
Debt issuance costs	(16)	(18)	(18)
Common stock issued	9	10	6
Common stock repurchased	(339)	(8)	(9)
Dividends paid to noncontrolling interests	(93)	(80)	(48)
Contribution from noncontrolling interests	0	4	5
Foreign exchange derivatives related to debt	27	42	(58)
Net cash (used for) / provided by financing activities	(400)	(616)	406
Effect of exchange rate changes on cash and cash equivalents	14	(30)	(62)
Net change in cash and cash equivalents	(135)	(158)	(248)
Cash and cash equivalents at beginning of period	559	717	965
Cash and cash equivalents at end of period	$ 424	$ 559	$ 717