Consolidated Balance Sheet - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents (V)	$ 1,863	$ 1,362
Receivables from customers, less allowances of $13 in 2016 and $8 in 2015 (S)	974	960
Other receivables (C and S)	477	394
Inventories (G)	2,253	2,284
Prepaid expenses and other current assets	325	397
Current assets of discontinued operations (C)		2,556
Total current assets	5,892	7,953
Properties, plants, and equipment, net (H)	5,499	5,425
Goodwill (A and E)	5,148	5,249
Deferred income taxes (R)	1,234	1,308
Investment in common stock of Alcoa Corporation (C and V)	1,020
Other noncurrent assets (I)	1,245	1,944
Noncurrent assets of discontinued operations (C)		14,598
Total Assets	20,038	36,477
Current liabilities:
Short-term borrowings (J and V)	36	38
Accounts payable, trade	1,744	1,510
Accrued compensation and retirement costs	398	410
Taxes, including income taxes	85	103
Accrued interest payable	153	170
Other current liabilities	329	441
Long-term debt due within one year (J and V)	4	3
Current liabilities of discontinued operations (C)		2,536
Total current liabilities	2,749	5,211
Long-term debt, less amount due within one year (J and V)	8,044	8,786
Accrued pension benefits (U)	2,345	1,925
Accrued other postretirement benefits (U)	889	917
Other noncurrent liabilities and deferred credits (K)	870	828
Noncurrent liabilities of discontinued operations (C)		4,679
Total liabilities	14,897	22,346
Contingencies and commitments (L)
Arconic shareholders' equity:
Preferred stock (P)	55	55
Mandatory convertible preferred stock (P)	3	3
Common stock (P)	438	1,391
Additional capital	8,214	10,019
Retained (deficit) earnings	(1,027)	8,834
Treasury stock, at cost (P)		(2,825)
Accumulated other comprehensive loss (B)	(2,568)	(5,431)
Total Arconic shareholders' equity	5,115	12,046
Noncontrolling interests	26	2,085
Total equity	5,141	14,131
Total Liabilities and Equity	$ 20,038	$ 36,477