Statement of Consolidated Cash Flows (unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
CASH FROM OPERATIONS
Net income (loss)	$ 446	$ (227)
Adjustments to reconcile net income (loss) to cash from operations:
Depreciation, depletion, and amortization	369	355
Deferred income taxes	50	(28)
Equity income, net of dividends	14	20
Restructuring and other charges (D)	22	92
Net gain from investing activities - asset sales (C & N)	(116)	(32)
Net periodic pension benefit cost (J)	55	23
Stock-based compensation	14	18
Other	(3)	15
Changes in assets and liabilities, excluding effects of acquisitions, divestitures, and foreign currency translation adjustments:
(Increase) in receivables	(75)	(24)
(Increase) Decrease in inventories	(86)	42
Decrease (Increase) in prepaid expenses and other current assets	52	(11)
Increase (Decrease) in accounts payable, trade	19	(133)
(Decrease) in accrued expenses	(238)	(214)
(Decrease) in taxes, including income taxes	(44)	(125)
Pension contributions	(47)	(33)
(Increase) in noncurrent assets	(46)	(179)
(Decrease) in noncurrent liabilities	(1)
CASH PROVIDED FROM (USED FOR) OPERATIONS	385	(441)
FINANCING ACTIVITIES
Net transfers from Parent Company (A)		335
Cash paid to Arconic related to separation (A & C)	(247)
Net change in short-term borrowings (original maturities of three months or less)	3	(1)
Additions to debt (original maturities greater than three months)	3
Payments on debt (original maturities greater than three months)	(10)	(10)
Proceeds from the exercise of employee stock options	18
Contributions from noncontrolling interest	56
Distributions to noncontrolling interest	(155)	(84)
Other	(6)
CASH (USED FOR) PROVIDED FROM FINANCING ACTIVITIES	(338)	240
INVESTING ACTIVITIES
Capital expenditures	(159)	(172)
Proceeds from the sale of assets and businesses (C)	243	(13)
Additions to investments (M)	(36)	(3)
Sales of investments		146
Net change in restricted cash	(4)	(1)
CASH PROVIDED FROM (USED FOR) INVESTING ACTIVITIES	44	(43)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	10	19
Net change in cash and cash equivalents	101	(225)
Cash and cash equivalents at beginning of year	853	557
CASH AND CASH EQUIVALENTS AT END OF PERIOD	$ 954	$ 332