Consolidated Balance Sheet - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents (P)	$ 1,814	$ 1,607
Receivables from customers	757	471
Other receivables	127	85
Inventories (J)	1,956	1,398
Fair value of derivative instruments (P)	14	21
Assets held for sale (C)		648
Prepaid expenses and other current assets	358	290
Total current assets	5,026	4,520
Properties, plants, and equipment, net (K)	6,623	7,190
Investments (H)	1,199	1,051
Deferred income taxes (Q)	506	655
Fair value of derivative instruments (P)	7
Other noncurrent assets (U)	1,664	1,444
Total Assets	15,025	14,860
Current liabilities:
Accounts payable, trade	1,674	1,403
Accrued compensation and retirement costs	383	395
Taxes, including income taxes	374	91
Fair value of derivative instruments (P)	274	103
Liabilities held for sale (C)		242
Other current liabilities	517	525
Long-term debt due within one year (M & P)	1	2
Total current liabilities	3,223	2,761
Long-term debt, less amount due within one year (M & P)	1,726	2,463
Accrued pension benefits (O)	417	1,492
Accrued other postretirement benefits (O)	650	744
Asset retirement obligations (R)	622	625
Environmental remediation (S)	265	293
Fair value of derivative instruments (P)	1,048	742
Noncurrent income taxes (Q)	191	209
Other noncurrent liabilities and deferred credits (U)	599	515
Total liabilities	8,741	9,844
Contingencies and commitments (S)
Alcoa Corporation shareholders’ equity:
Common stock (N)	2	2
Additional capital	9,577	9,663
Accumulated deficit	(315)	(725)
Accumulated other comprehensive loss (G)	(4,592)	(5,629)
Total Alcoa Corporation shareholders’ equity	4,672	3,311
Noncontrolling interest (A)	1,612	1,705
Total equity	6,284	5,016
Total Liabilities and Equity	$ 15,025	$ 14,860