Statement of Consolidated Cash Flows (unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
CASH FROM OPERATIONS
Net income (loss)	$ 615	$ (217)
Adjustments to reconcile net income (loss) to cash from operations:
Depreciation, depletion, and amortization	563	536
Deferred income taxes	64	6
Equity income, net of dividends	1	34
Restructuring and other charges (D)	12	109
Net gain from investing activities - asset sales (C & N)	(115)	(164)
Net periodic pension benefit cost (J)	83	43
Stock-based compensation	21	24
Other	31	12
Changes in assets and liabilities, excluding effects of acquisitions, divestitures, and foreign currency translation adjustments:
(Increase) in receivables	(112)	(126)
(Increase) Decrease in inventories	(102)	39
Decrease (Increase) in prepaid expenses and other current assets	62	(22)
Increase (Decrease) in accounts payable, trade	109	(175)
(Decrease) in accrued expenses	(320)	(338)
Increase (Decrease) in taxes, including income taxes	15	(103)
Pension contributions	(82)	(45)
(Increase) in noncurrent assets	(88)	(188)
Increase in noncurrent liabilities	11	25
CASH PROVIDED FROM (USED FOR) OPERATIONS	769	(550)
FINANCING ACTIVITIES
Net transfers from Parent Company (A)		407
Cash paid to Arconic related to separation (A & C)	(247)
Net change in short-term borrowings (original maturities of three months or less)	2
Additions to debt (original maturities greater than three months)	3
Payments on debt (original maturities greater than three months)	(55)	(16)
Proceeds from the exercise of employee stock options	38
Contributions from noncontrolling interest	56
Distributions to noncontrolling interest	(244)	(176)
Other	(6)
CASH (USED FOR) PROVIDED FROM FINANCING ACTIVITIES	(453)	215
INVESTING ACTIVITIES
Capital expenditures	(255)	(258)
Proceeds from the sale of assets and businesses (C)	243	112
Additions to investments (M)	(44)	(3)
Sales of investments		146
Net change in restricted cash		(2)
CASH USED FOR INVESTING ACTIVITIES	(56)	(5)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	6	24
Net change in cash and cash equivalents	266	(316)
Cash and cash equivalents at beginning of year	853	557
CASH AND CASH EQUIVALENTS AT END OF PERIOD	$ 1,119	$ 241