Consolidated Balance Sheet (unaudited) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents (M)	$ 1,202	$ 1,138
Receivables from customers (I)	1,203	1,096
Other receivables	144	143
Inventories (J)	2,182	1,998
Fair value of derivative instruments (M)	38	25
Prepaid expenses and other current assets	438	514
Total current assets	5,207	4,914
Properties, plants, and equipment	19,982	19,550
Less: accumulated depreciation, depletion, and amortization	13,485	13,161
Properties, plants, and equipment, net	6,497	6,389
Investments (H)	1,011	980
Deferred income taxes	306	284
Fair value of derivative instruments (M)	11	0
Other noncurrent assets (P)	1,542	1,497
Total assets	14,574	14,064
Current liabilities:
Accounts payable, trade	1,629	1,805
Accrued compensation and retirement costs	318	362
Taxes, including income taxes	94	102
Fair value of derivative instruments (M)	258	263
Other current liabilities	665	788
Long-term debt due within one year (K & M)	75	75
Total current liabilities	3,039	3,395
Long-term debt, less amount due within one year (K & M)	2,573	2,470
Accrued pension benefits (L)	239	256
Accrued other postretirement benefits (L)	406	412
Asset retirement obligations	683	691
Environmental remediation (O)	169	182
Fair value of derivative instruments (M)	850	836
Noncurrent income taxes	53	9
Other noncurrent liabilities and deferred credits	644	656
Total liabilities	8,656	8,907
CONTINGENCIES AND COMMITMENTS (O)
MEZZANINE EQUITY
Noncontrolling interest (C)	103	0
Alcoa Corporation shareholders’ equity:
Preferred stock	0	0
Common stock	3	3
Additional capital	11,548	11,587
Accumulated deficit	(801)	(1,323)
Accumulated other comprehensive loss (G)	(4,935)	(5,110)
Total equity	5,815	5,157
Total liabilities, mezzanine equity, and equity	$ 14,574	$ 14,064