Consolidated Balance Sheet (unaudited) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Current Assets:
Cash and cash equivalents	$ 1,205	$ 2,150
Receivables from customers, less allowances of $8 in 2018 and 2017 (K)	1,179	1,035
Other receivables (K)	484	339
Inventories (L)	2,648	2,480
Prepaid expenses and other current assets	379	374
Total current assets	5,895	6,378
Properties, plants, and equipment, net (M)	5,628	5,594
Goodwill (A)	4,573	4,535
Deferred income taxes	675	743
Intangibles, net	990	987
Other noncurrent assets	458	481
Total assets	18,219	18,718
Current liabilities:
Accounts payable, trade	1,874	1,839
Accrued compensation and retirement costs	333	399
Taxes, including income taxes	83	75
Accrued interest payable	97	124
Other current liabilities	370	349
Short-term debt	45	38
Total current liabilities	2,802	2,824
Long-term debt, less amount due within one year (N & O)	6,309	6,806
Accrued pension benefits (G)	2,249	2,564
Accrued other postretirement benefits	833	841
Other noncurrent liabilities and deferred credits	744	759
Total liabilities	12,937	13,794
Contingencies and commitments (Q)
Arconic shareholders’ equity:
Preferred stock	55	55
Common stock	483	481
Additional capital	8,280	8,266
Accumulated deficit	(1,164)	(1,248)
Accumulated other comprehensive loss (J)	(2,386)	(2,644)
Total Arconic shareholders’ equity	5,268	4,910
Noncontrolling interests	14	14
Total equity	5,282	4,924
Total liabilities and equity	$ 18,219	$ 18,718