Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash provided by operating activities:
Net income	$ 127	$ 133
Non-cash charges to net income:
Depreciation and amortization	51	47
Charge for fair value mark-up of acquired inventory	5
Other	23	24
Changes in working capital:
Accounts receivable and prepaid expenses	12	(21)
Inventories	(40)	(32)
Accounts payable and accrued liabilities	(48)	(55)
Decrease in margin accounts	6	12
Other	(5)	(9)
Cash provided by operating activities	131	99
Cash used for investing activities:
Capital expenditures, net of proceeds on disposals	(72)	(59)
Short-term investments	(8)	(13)
Payments for acquisitions	(13)
Other		(1)
Cash used for investing activities	(93)	(73)
Cash (used for) provided by financing activities:
Proceeds from borrowings	108	84
Payments on debt	(55)	(44)
Issuance (repurchase) of common stock - net	(130)	1
Dividends paid (including to non-controlling interests)	(44)	(35)
Cash (used for) provided by financing activities	(121)	6
Effect of foreign exchange rate changes on cash	6	11
(Decrease) Increase in cash and cash equivalents	(77)	43
Cash and cash equivalents, beginning of period	512	434
Cash and cash equivalents, end of period	$ 435	$ 477