Combined Balance Sheet - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 595	$ 72
Receivables from customers, less allowances of $1 in 2020 and $2 in 2019 (A)	573	384
Other receivables	110	136
Inventories (K)	678	820
Prepaid expenses and other current assets	54	28
Total current assets	2,010	1,440
Properties, plants, and equipment	7,282	7,210
Less: accumulated depreciation and amortization	4,557	4,466
Properties, plants, and equipment, net	2,725	2,744
Goodwill	374	386
Operating lease right-of-use assets (L)	139	125
Deferred income taxes	381	14
Other noncurrent assets	104	32
Total assets	5,733	4,741
Current liabilities:
Accounts payable, trade	683	1,061
Accrued compensation and retirement costs	126	80
Taxes, including income taxes	35	21
Environmental remediation (O)	92	83
Operating lease liabilities (L)	33	33
Other current liabilities	115	63
Total current liabilities	1,084	1,341
Long-term debt (M)	1,276	250
Accrued pension benefits (G)	1,364	63
Accrued other postretirement benefits (G)	488	1
Environmental remediation (O)	116	125
Operating lease liabilities (L)	109	96
Deferred income taxes	19	87
Other noncurrent liabilities and deferred credits	117	50
Total liabilities	4,573	2,013
Contingencies and commitments (O)
Equity
Parent Company net investment (A)	0	2,419
Common stock	1	0
Additional capital	3,085	0
Accumulated deficit	(92)	0
Accumulated other comprehensive (loss) income (J)	(1,848)	295
Total Arconic Corporation shareholders’ equity	1,146	2,714
Noncontrolling interest	14	14
Total equity	1,160	2,728
Total liabilities and equity	$ 5,733	$ 4,741