Consolidated Balance Sheet (unaudited) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 1,319	$ 2,277
Receivables from customers, less allowances of $4 in 2019 and 2018 (K)	1,170	1,047
Other receivables (K)	646	451
Inventories (L)	2,612	2,492
Prepaid expenses and other current assets	306	314
Total current assets	6,053	6,581
Properties, plants, and equipment, net (M)	5,727	5,704
Goodwill (C)	4,509	4,500
Deferred income taxes	480	573
Intangibles, net	912	919
Other noncurrent assets (N)	680	416
Total assets	18,361	18,693
Current liabilities:
Accounts payable, trade	2,193	2,129
Accrued compensation and retirement costs	339	370
Taxes, including income taxes	114	118
Accrued interest payable	97	113
Other current liabilities (N)	481	356
Short-term debt	435	434
Total current liabilities	3,659	3,520
Long-term debt, less amount due within one year (O and P)	5,899	5,896
Accrued pension benefits (F)	2,172	2,230
Accrued other postretirement benefits (F)	636	723
Other noncurrent liabilities and deferred credits (B and N)	817	739
Total liabilities	13,183	13,108
Contingencies and commitments (R)
Arconic shareholders’ equity:
Preferred stock	55	55
Common stock	453	483
Additional capital	7,644	8,319
Accumulated deficit	(134)	(358)
Accumulated other comprehensive loss (J)	(2,852)	(2,926)
Total Arconic shareholders’ equity	5,166	5,573
Noncontrolling interests	12	12
Total equity	5,178	5,585
Total liabilities and equity	$ 18,361	$ 18,693