Consolidated Balance Sheet (unaudited) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Current Assets:
Cash and cash equivalents	$ 1,815	$ 1,863
Receivables from customers, less allowances of $7 in 2017 and $13 in 2016 (K)	1,150	974
Other receivables (G & K)	373	477
Inventories (F)	2,453	2,253
Prepaid expenses and other current assets	357	325
Total current assets	6,148	5,892
Properties, plants, and equipment	11,791	11,572
Less: accumulated depreciation and amortization	6,265	6,073
Properties, plants, and equipment, net	5,526	5,499
Goodwill	5,246	5,148
Deferred income taxes	1,024	1,234
Investment in common stock of Alcoa Corporation (G & N)	0	1,020
Other noncurrent assets	1,293	1,245
Total Assets	19,237	20,038
Current liabilities:
Short-term borrowings	54	36
Accounts payable, trade	1,656	1,744
Accrued compensation and retirement costs	379	398
Taxes, including income taxes	74	85
Accrued interest payable	101	153
Other current liabilities	412	329
Long-term debt due within one year	1	4
Total current liabilities	2,677	2,749
Long-term debt, less amount due within one year (L & N)	6,802	8,044
Accrued pension benefits	2,110	2,345
Accrued other postretirement benefits	811	889
Other noncurrent liabilities and deferred credits	876	870
Total liabilities	13,276	14,897
Contingencies and commitments (H)
Arconic shareholders' equity:
Preferred stock	55	55
Mandatory convertible preferred stock	3	3
Common stock	442	438
Additional capital	8,294	8,214
Accumulated deficit	(519)	(1,027)
Accumulated other comprehensive loss (C)	(2,327)	(2,568)
Total Arconic shareholders' equity	5,948	5,115
Noncontrolling interests	13	26
Total equity	5,961	5,141
Total Liabilities and Equity	$ 19,237	$ 20,038