Consolidated Balance Sheet (unaudited) - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016
Current Assets:
Cash and cash equivalents	$ 2,553	$ 1,863
Receivables from customers, less allowances of $12 in 2017 and $13 in 2016 (K)	1,148	974
Other receivables (G & K)	362	477
Inventories (F)	2,328	2,253
Prepaid expenses and other current assets	319	325
Total current assets	6,710	5,892
Properties, plants, and equipment	11,633	11,572
Less: accumulated depreciation and amortization	6,160	6,073
Properties, plants, and equipment, net	5,473	5,499
Goodwill	5,170	5,148
Deferred income taxes	1,084	1,234
Investment in common stock of Alcoa Corporation (G & N)	446	1,020
Other noncurrent assets	1,274	1,245
Total Assets	20,157	20,038
Current liabilities:
Short-term borrowings	47	36
Accounts payable, trade	1,597	1,744
Accrued compensation and retirement costs	328	398
Taxes, including income taxes	81	85
Accrued interest payable	114	153
Other current liabilities	420	329
Long-term debt due within one year (M & N)		4
Total current liabilities	2,587	2,749
Long-term debt, less amount due within one year	8,046	8,044
Accrued pension benefits	2,293	2,345
Accrued other postretirement benefits	867	889
Other noncurrent liabilities and deferred credits	869	870
Total liabilities	14,662	14,897
Contingencies and commitments (H)
Arconic shareholders' equity:
Preferred stock	55	55
Mandatory convertible preferred stock	3	3
Common stock	441	438
Additional capital	8,249	8,214
Accumulated deficit	(768)	(1,027)
Accumulated other comprehensive loss (C)	(2,498)	(2,568)
Total Arconic shareholders' equity	5,482	5,115
Noncontrolling interests	13	26
Total Equity	5,495	5,141
Total Liabilities and Equity	$ 20,157	$ 20,038