7Baggers

Howmet Aerospace Inc
(NYSE:HWM) 

HWM stock logo

Howmet Aerospace Inc. provides advanced engineered solutions for the aerospace and transportation industries in the United States, Japan, France, Germany, the United Kingdom, Mexico, Italy, Canada, Poland, China, and internationally. It operates through four segments: Engine Products, Fastening Syst...

Founded: 1888
Full Time Employees: 19,900 (Dec 2022)
CEO: John C. Plant  
Sector: Industrials
Industry: Specialty Industrial Machinery
AerospaceIndustrials
Share this website to your friends
• Market Cap:
• Exchange:
• Shs Outstanding:
• Employees:
• Beta:
• Return on Equity (ROE) ttm:
• Return on Assets (ROA) ttm:
• EPS ttm:
• Book value per Share:
• Cash per Share:
• Current ast per Share:
• P/E ttm:
• P/E forward:
• P/E ttm high:
• P/E ttm low:
• P/S ttm:
• P/B ttm:
• P/FCF ttm:
• PEG ratio:
• Cash Ratio ttm:
• Quick Ratio ttm:
• Current Ratio ttm:
• Gross Mgn ttm:
• EBITDA Mgn ttm:
• Operating Mgn ttm:
• Net Income Mgn ttm:
• Trailing Div yield:
• Forward Div yield:
• Payout Ratio ttm:
• Ex-Dividend date:
• Target Price High:
• Target Price Low:
• Target Price Mean:
• Number of Analysts:
• Debt Ratio ttm:
• Debt to Equity ttm:
• Total Net Debt:
At a glance:
Bull Thesis:
Bear Thesis:
Main Competitors:
Moat:
Income Statements:
Quarterly
Annual
    Unit: USD2024-12-31 2023-12-31 2022-12-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2019-12-31 2019-09-30 2019-06-30 2018-12-31 2017-12-31 2009-09-30 2008-09-30 2008-06-30 2008-03-31 2007-03-31 2002-12-31 
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-09-30 2007-06-30 2007-03-31 2006-09-30 2006-06-30 2006-03-31 2005-09-30 2005-06-30 2005-03-31 2004-09-30 2004-06-30 2004-03-31 2003-12-31 2003-09-30 2003-06-30 2003-03-31 2002-12-31 
                                                                                              
        assets
      		                                                                                        
        current assets:
      		                                                                                        
        cash and cash equivalents
      		659,000,000 545,000,000 536,000,000 564,000,000 475,000,000 752,000,000 533,000,000 610,000,000 424,000,000 535,000,000 537,000,000 791,000,000 453,000,000 537,000,000 520,000,000 720,000,000 724,000,000 715,000,000 1,238,000,000 1,610,000,000 1,365,000,000 1,281,000,000 2,591,000,000 1,648,000,000 1,321,000,000 1,357,000,000 1,319,000,000 2,277,000,000 1,535,000,000 1,455,000,000 1,205,000,000 2,150,000,000 1,815,000,000 1,785,000,000 2,553,000,000 1,863,000,000 1,863,000,000 1,929,000,000 1,384,000,000 1,919,000,000 1,739,000,000 1,311,000,000 1,191,000,000 1,877,000,000 3,272,000,000 1,183,000,000 665,000,000 1,437,000,000 1,017,000,000 1,202,000,000 1,555,000,000 1,861,000,000 1,432,000,000 1,712,000,000 1,749,000,000 1,939,000,000 1,332,000,000 1,260,000,000 887,000,000 1,543,000,000 843,000,000 1,344,000,000 1,292,000,000 1,481,000,000 1,066,000,000 851,000,000 1,131,000,000 762,000,000 831,000,000 815,000,000 378,000,000 1,314,000,000 1,168,000,000 420,000,000 562,000,000 453,000,000 459,000,000 532,000,000 457,000,000 497,000,000 561,000,000 466,000,000 459,000,000 576,000,000 393,000,000 430,000,000 370,000,000 344,000,000 
        receivables from customers, less allowances of — in both 2025 and 2024
      		884,000,000 888,000,000 888,000,000                                                                                      
        other receivables
      		17,000,000 14,000,000 13,000,000 20,000,000 18,000,000 19,000,000 18,000,000 17,000,000 13,000,000 14,000,000 16,000,000 31,000,000 50,000,000 49,000,000 50,000,000 53,000,000 57,000,000 100,000,000 96,000,000 29,000,000 120,000,000 163,000,000 244,000,000 484,000,000 657,000,000 640,000,000 646,000,000 451,000,000 511,000,000 478,000,000 484,000,000 339,000,000 373,000,000 357,000,000 362,000,000 477,000,000 458,000,000 494,000,000 471,000,000 522,000,000 669,000,000 688,000,000 709,000,000 733,000,000 925,000,000 671,000,000 662,000,000 597,000,000 616,000,000 677,000,000 338,000,000 340,000,000 448,000,000 481,000,000 587,000,000 371,000,000 386,000,000 365,000,000 373,000,000 326,000,000 323,000,000 273,000,000 308,000,000 653,000,000 651,000,000 1,246,000,000 1,003,000,000 708,000,000 588,000,000 458,000,000 541,000,000 364,000,000 302,000,000 337,000,000 337,000,000 370,000,000 411,000,000 297,000,000 291,000,000 263,000,000 224,000,000 296,000,000 275,000,000 350,000,000 261,000,000 254,000,000 253,000,000 174,000,000 
        inventories
      		1,975,000,000 1,964,000,000 1,902,000,000 1,840,000,000 1,902,000,000 1,848,000,000 1,783,000,000 1,765,000,000 1,748,000,000 1,715,000,000 1,662,000,000 1,609,000,000 1,612,000,000 1,563,000,000 1,483,000,000 1,402,000,000 1,420,000,000 1,456,000,000 1,453,000,000 1,488,000,000 1,592,000,000 1,673,000,000 2,512,000,000 2,429,000,000 2,555,000,000 2,606,000,000 2,612,000,000 2,492,000,000 2,622,000,000 2,659,000,000 2,648,000,000 2,480,000,000 2,453,000,000 2,416,000,000 2,328,000,000 2,253,000,000 3,455,000,000 3,438,000,000 3,549,000,000 3,442,000,000 3,559,000,000 3,160,000,000 3,173,000,000 3,082,000,000 3,138,000,000 3,227,000,000 3,067,000,000 2,705,000,000 2,893,000,000 2,905,000,000 2,982,000,000 2,825,000,000 2,973,000,000 3,051,000,000 3,097,000,000 2,899,000,000 3,172,000,000 3,201,000,000 2,995,000,000 2,562,000,000 2,435,000,000 2,391,000,000 2,394,000,000 2,328,000,000 2,516,000,000 2,493,000,000 2,756,000,000 3,238,000,000 3,844,000,000 3,813,000,000 3,679,000,000 3,311,000,000 3,633,000,000 3,780,000,000 4,064,000,000 4,087,000,000 3,778,000,000 3,512,000,000 3,467,000,000 3,370,000,000 2,995,000,000 2,855,000,000 2,816,000,000 2,524,000,000 2,534,000,000 2,524,000,000 2,557,000,000 2,441,000,000 
        prepaid expenses and other current assets
      		289,000,000 283,000,000 215,000,000 249,000,000 239,000,000 235,000,000 221,000,000 249,000,000 212,000,000 207,000,000 187,000,000 206,000,000 181,000,000 187,000,000 250,000,000 195,000,000 211,000,000 212,000,000 202,000,000 217,000,000 213,000,000 221,000,000 311,000,000 314,000,000 259,000,000 260,000,000 306,000,000 314,000,000 317,000,000 324,000,000 379,000,000 374,000,000 357,000,000 305,000,000 319,000,000 325,000,000 580,000,000 637,000,000 705,000,000 730,000,000 1,100,000,000 1,112,000,000 1,180,000,000 1,182,000,000 874,000,000 925,000,000 992,000,000 1,009,000,000 1,101,000,000 1,099,000,000 1,213,000,000 1,275,000,000 1,303,000,000 948,000,000 924,000,000 933,000,000 865,000,000 959,000,000 953,000,000 873,000,000 947,000,000 876,000,000 978,000,000 1,031,000,000 1,045,000,000 1,059,000,000 987,000,000 973,000,000 1,309,000,000 1,393,000,000 1,248,000,000 1,289,000,000 1,230,000,000 1,136,000,000 1,043,000,000 989,000,000 889,000,000 1,075,000,000 765,000,000 944,000,000 779,000,000 643,000,000 656,000,000 502,000,000 571,000,000 471,000,000 437,000,000 439,000,000 
        total current assets
      		3,824,000,000 3,694,000,000 3,554,000,000 3,362,000,000 3,391,000,000 3,603,000,000 3,340,000,000 3,316,000,000 3,111,000,000 3,128,000,000 3,057,000,000 3,143,000,000 2,846,000,000 2,837,000,000 2,782,000,000 2,737,000,000 2,820,000,000 2,799,000,000 3,328,000,000 3,672,000,000 3,600,000,000 3,702,000,000 6,948,000,000 5,842,000,000 5,908,000,000 6,018,000,000 6,053,000,000 6,581,000,000 6,132,000,000 6,075,000,000 5,895,000,000 6,378,000,000 6,148,000,000 6,033,000,000 6,710,000,000 5,892,000,000 9,368,000,000 8,093,000,000 7,665,000,000 7,953,000,000 8,592,000,000 7,829,000,000 7,722,000,000 8,269,000,000 9,689,000,000 7,387,000,000 6,765,000,000 6,969,000,000 7,049,000,000 7,237,000,000 7,768,000,000 7,700,000,000 7,775,000,000 7,767,000,000 7,883,000,000 7,713,000,000 7,670,000,000 7,868,000,000 7,209,000,000 6,869,000,000 6,519,000,000 6,822,000,000 6,619,000,000 7,022,000,000 7,032,000,000 7,459,000,000 8,048,000,000 8,150,000,000 9,272,000,000 9,542,000,000 8,894,000,000 9,394,000,000 9,941,000,000 9,238,000,000 9,770,000,000 9,869,000,000 9,382,000,000 8,697,000,000 8,498,000,000 8,424,000,000 7,797,000,000 7,480,000,000 7,300,000,000 6,740,000,000 6,806,000,000 6,723,000,000 6,685,000,000 6,313,000,000 
        properties, plants, and equipment
      		2,551,000,000 2,526,000,000 2,440,000,000 2,386,000,000 2,358,000,000 2,307,000,000 2,294,000,000 2,328,000,000 2,296,000,000 2,319,000,000 2,321,000,000 2,332,000,000 2,288,000,000 2,340,000,000 2,400,000,000 2,467,000,000 2,483,000,000 2,515,000,000 2,524,000,000 2,592,000,000 2,552,000,000 2,558,000,000 5,358,000,000 5,463,000,000 5,377,000,000 5,517,000,000 5,727,000,000 5,704,000,000 5,645,000,000 5,582,000,000 5,628,000,000 5,594,000,000 11,791,000,000 11,738,000,000 11,633,000,000 5,499,000,000 34,943,000,000 34,441,000,000 34,421,000,000 14,815,000,000 33,237,000,000 34,277,000,000 33,864,000,000 16,426,000,000 36,747,000,000 37,897,000,000 37,405,000,000 17,639,000,000 37,326,000,000 37,261,000,000 38,378,000,000 18,947,000,000 37,718,000,000 37,219,000,000 38,429,000,000 19,416,000,000 37,343,000,000 38,939,000,000 38,120,000,000 20,161,000,000 36,802,000,000 35,154,000,000 35,757,000,000 19,828,000,000 34,932,000,000 33,844,000,000 32,091,000,000 17,455,000,000 32,877,000,000 33,953,000,000 32,829,000,000 30,660,000,000 31,392,000,000 30,237,000,000          12,557,000,000    12,111,000,000 
        goodwill
      		4,058,000,000 4,065,000,000 4,028,000,000 4,010,000,000 4,047,000,000 4,016,000,000 4,020,000,000 4,035,000,000 4,007,000,000 4,026,000,000 4,024,000,000 4,013,000,000 3,965,000,000 4,012,000,000 4,053,000,000 4,067,000,000 4,077,000,000 4,090,000,000 4,086,000,000 4,102,000,000 4,072,000,000 4,051,000,000 4,457,000,000 4,493,000,000 4,460,000,000 4,500,000,000 4,509,000,000 4,500,000,000 4,517,000,000 4,518,000,000 4,573,000,000 4,535,000,000 5,246,000,000 5,215,000,000 5,170,000,000 5,148,000,000 5,384,000,000 5,396,000,000 5,402,000,000 5,401,000,000 5,443,000,000 5,232,000,000 5,050,000,000 5,247,000,000 3,389,000,000 3,435,000,000 3,423,000,000 3,415,000,000 5,144,000,000 5,113,000,000 5,123,000,000 5,170,000,000 5,175,000,000 5,141,000,000 5,271,000,000 5,251,000,000 5,271,000,000 5,329,000,000 5,363,000,000 5,119,000,000 5,128,000,000 5,032,000,000 5,065,000,000 5,051,000,000 5,048,000,000 5,032,000,000 4,934,000,000 4,981,000,000 5,084,000,000 5,184,000,000 5,095,000,000 4,793,000,000 6,181,000,000 6,169,000,000 6,286,000,000 6,296,000,000 6,262,000,000 6,299,000,000 6,494,000,000 6,574,000,000 6,575,000,000 6,553,000,000 6,567,000,000 6,549,000,000 6,397,000,000 6,383,000,000 6,365,000,000 6,365,000,000 
        deferred income taxes
      		31,000,000 31,000,000 32,000,000 35,000,000 39,000,000 32,000,000 38,000,000 46,000,000 45,000,000 52,000,000 59,000,000 54,000,000 106,000,000 118,000,000 149,000,000 184,000,000 202,000,000 188,000,000 227,000,000 272,000,000 262,000,000 194,000,000 553,000,000 608,000,000 466,000,000 568,000,000 480,000,000 573,000,000 605,000,000 626,000,000 675,000,000 743,000,000 1,024,000,000 1,080,000,000 1,084,000,000 1,234,000,000 3,074,000,000 2,752,000,000 2,738,000,000 2,668,000,000 2,265,000,000 2,518,000,000 2,485,000,000 2,754,000,000 2,981,000,000 3,243,000,000 3,209,000,000 3,184,000,000 3,621,000,000 3,689,000,000 3,717,000,000 3,790,000,000 3,494,000,000 3,443,000,000 3,615,000,000 3,546,000,000 3,060,000,000 3,219,000,000 3,264,000,000 3,184,000,000 3,070,000,000 2,848,000,000 2,918,000,000 2,958,000,000 2,642,000,000 2,572,000,000 2,367,000,000 2,688,000,000 532,000,000 635,000,000 524,000,000 534,000,000 1,029,000,000 763,000,000 795,000,000 833,000,000 907,000,000 197,000,000 273,000,000 191,000,000 225,000,000 237,000,000 240,000,000 267,000,000 484,000,000 454,000,000 457,000,000 468,000,000 
        intangibles
      		462,000,000 467,000,000 470,000,000 475,000,000 484,000,000 489,000,000 498,000,000 505,000,000 507,000,000 513,000,000 518,000,000 521,000,000 523,000,000 534,000,000 543,000,000 549,000,000 554,000,000 557,000,000 563,000,000 571,000,000 584,000,000 589,000,000 647,000,000 658,000,000 668,000,000 686,000,000 912,000,000 919,000,000 954,000,000 963,000,000 990,000,000 987,000,000                                                         
        other noncurrent assets
      		251,000,000 263,000,000 248,000,000 251,000,000 239,000,000 232,000,000 220,000,000 198,000,000 200,000,000 195,000,000 195,000,000 192,000,000 201,000,000 211,000,000 202,000,000 215,000,000 221,000,000 230,000,000 243,000,000 234,000,000 269,000,000 269,000,000 502,000,000 514,000,000 605,000,000 624,000,000 680,000,000 416,000,000 474,000,000 455,000,000 458,000,000 481,000,000 1,293,000,000 1,271,000,000 1,274,000,000 1,245,000,000 3,035,000,000 3,415,000,000 3,635,000,000 4,006,000,000 3,888,000,000 3,806,000,000 3,218,000,000 2,759,000,000 2,401,000,000 2,654,000,000 2,646,000,000 2,628,000,000 2,646,000,000 2,553,000,000 2,680,000,000 2,712,000,000 3,058,000,000 2,636,000,000 2,568,000,000 2,568,000,000 2,527,000,000 2,625,000,000 2,561,000,000 2,521,000,000 2,449,000,000 2,298,000,000 2,388,000,000 2,419,000,000                         
        total assets
      		11,177,000,000 11,046,000,000 10,772,000,000 10,519,000,000 10,558,000,000 10,679,000,000 10,410,000,000 10,428,000,000 10,166,000,000 10,233,000,000 10,174,000,000 10,255,000,000 9,929,000,000 10,052,000,000 10,129,000,000 10,219,000,000 10,357,000,000 10,379,000,000 10,971,000,000 11,443,000,000 11,339,000,000 11,363,000,000 18,465,000,000 17,578,000,000 17,484,000,000 17,913,000,000 18,361,000,000 18,693,000,000 18,327,000,000 18,219,000,000 18,219,000,000 18,718,000,000 19,237,000,000 19,106,000,000 20,157,000,000 20,038,000,000 37,448,000,000 36,139,000,000 36,140,000,000 36,528,000,000 36,587,000,000 36,587,000,000 35,694,000,000 37,399,000,000 37,122,000,000 36,309,000,000 35,605,000,000 35,742,000,000 38,229,000,000 38,551,000,000 40,106,000,000 40,179,000,000 40,191,000,000 39,498,000,000 40,703,000,000 40,120,000,000 39,598,000,000 41,466,000,000 40,336,000,000 39,293,000,000 38,370,000,000 37,312,000,000 37,835,000,000 38,472,000,000 38,099,000,000 37,648,000,000 36,912,000,000 37,822,000,000 39,038,000,000 40,726,000,000 39,399,000,000 39,198,000,000 40,118,000,000 38,021,000,000 36,304,000,000 35,771,000,000 34,929,000,000 33,611,000,000 33,200,000,000 33,714,000,000 32,308,000,000 31,667,000,000 32,099,000,000 31,711,000,000 30,989,000,000 30,771,000,000 30,356,000,000 29,810,000,000 
        liabilities
      		                                                                                        
        current liabilities:
      		                                                                                        
        accounts payable, trade
      		957,000,000 1,028,000,000 991,000,000 948,000,000 917,000,000 971,000,000 964,000,000 982,000,000 894,000,000 881,000,000 877,000,000 962,000,000 812,000,000 814,000,000 777,000,000 732,000,000 646,000,000 632,000,000 596,000,000 599,000,000 521,000,000 632,000,000 1,799,000,000 2,043,000,000 1,988,000,000 2,095,000,000 2,193,000,000 2,129,000,000 2,061,000,000 2,024,000,000 1,874,000,000 1,839,000,000 1,656,000,000 1,667,000,000 1,597,000,000 1,744,000,000 2,739,000,000 2,665,000,000 2,657,000,000 2,889,000,000 2,734,000,000 3,009,000,000 2,934,000,000 3,152,000,000 2,979,000,000 3,023,000,000 2,853,000,000 2,960,000,000 2,816,000,000 2,920,000,000 2,860,000,000 2,702,000,000 2,590,000,000 2,633,000,000 2,734,000,000 2,692,000,000 2,480,000,000 2,605,000,000 2,488,000,000 2,322,000,000 1,971,000,000 1,854,000,000 1,868,000,000 1,954,000,000 1,850,000,000 1,838,000,000 1,957,000,000 2,518,000,000 2,791,000,000 3,121,000,000 2,895,000,000 2,649,000,000 2,668,000,000 2,570,000,000 2,700,000,000 2,822,000,000 2,691,000,000 2,400,000,000 2,350,000,000 2,428,000,000 2,416,000,000 2,253,000,000 2,230,000,000 1,976,000,000 1,807,000,000 1,774,000,000 1,762,000,000 1,618,000,000 
        accrued compensation and retirement costs
      		314,000,000 263,000,000 235,000,000 305,000,000 288,000,000 235,000,000 201,000,000 263,000,000 240,000,000 209,000,000 193,000,000 195,000,000 204,000,000 198,000,000 172,000,000 198,000,000 202,000,000 195,000,000 171,000,000 205,000,000 215,000,000 201,000,000 323,000,000 432,000,000 392,000,000 384,000,000 339,000,000 370,000,000 359,000,000 364,000,000 333,000,000 399,000,000 379,000,000 363,000,000 328,000,000 398,000,000 830,000,000 810,000,000 779,000,000 850,000,000 825,000,000 802,000,000 777,000,000 937,000,000 951,000,000 937,000,000 879,000,000 1,013,000,000 1,019,000,000 949,000,000 932,000,000 1,058,000,000 1,018,000,000 942,000,000 909,000,000 985,000,000 956,000,000 915,000,000 854,000,000 929,000,000 904,000,000 832,000,000 799,000,000 925,000,000 885,000,000 825,000,000 746,000,000 866,000,000 896,000,000 909,000,000 831,000,000 977,000,000 956,000,000 878,000,000 1,040,000,000 1,018,000,000 946,000,000 1,007,000,000 1,013,000,000 946,000,000 1,042,000,000 1,001,000,000 953,000,000 948,000,000 908,000,000 892,000,000 846,000,000 933,000,000 
        taxes, including income taxes
      		71,000,000 64,000,000 105,000,000 60,000,000 59,000,000 81,000,000 84,000,000 68,000,000 73,000,000 78,000,000 64,000,000 48,000,000 56,000,000 58,000,000 63,000,000 61,000,000 77,000,000 80,000,000 93,000,000 102,000,000 82,000,000 66,000,000 88,000,000 87,000,000 115,000,000 116,000,000 114,000,000 118,000,000 84,000,000 69,000,000 83,000,000 75,000,000 74,000,000 77,000,000 81,000,000 85,000,000 217,000,000 206,000,000 274,000,000 239,000,000 421,000,000 383,000,000 357,000,000 348,000,000 275,000,000 351,000,000 310,000,000 376,000,000 398,000,000 414,000,000 438,000,000 366,000,000 405,000,000 406,000,000 479,000,000 438,000,000 510,000,000 506,000,000 475,000,000 461,000,000 397,000,000 372,000,000 371,000,000 345,000,000 363,000,000 363,000,000                       
        accrued interest payable
      		32,000,000 59,000,000 32,000,000 59,000,000 25,000,000 64,000,000 45,000,000 65,000,000 58,000,000 73,000,000 63,000,000 75,000,000 68,000,000 75,000,000 69,000,000 74,000,000 68,000,000 75,000,000 88,000,000 89,000,000 99,000,000 91,000,000 102,000,000 112,000,000 97,000,000 113,000,000 97,000,000 113,000,000 97,000,000 113,000,000 97,000,000 124,000,000 101,000,000 124,000,000 114,000,000 153,000,000                                                     
        other current liabilities
      		250,000,000 181,000,000 178,000,000 171,000,000 227,000,000 225,000,000 198,000,000 200,000,000 189,000,000 169,000,000 206,000,000 202,000,000 240,000,000 176,000,000 171,000,000 183,000,000 201,000,000 232,000,000 243,000,000 289,000,000 276,000,000 277,000,000 453,000,000 418,000,000 434,000,000 479,000,000 481,000,000 356,000,000 371,000,000 362,000,000 370,000,000 349,000,000 412,000,000 379,000,000 420,000,000 329,000,000 909,000,000 1,000,000,000 1,033,000,000 1,174,000,000 981,000,000 936,000,000 890,000,000 1,021,000,000 958,000,000 1,088,000,000 1,087,000,000 1,044,000,000 1,093,000,000 1,205,000,000 1,090,000,000 1,298,000,000 1,344,000,000 1,175,000,000 1,045,000,000 1,167,000,000 1,024,000,000 1,199,000,000 1,107,000,000 1,201,000,000 1,091,000,000 1,125,000,000 1,274,000,000 1,218,000,000 832,000,000 952,000,000 916,000,000 987,000,000 1,217,000,000 1,268,000,000 1,481,000,000 1,268,000,000 1,394,000,000 1,250,000,000 1,166,000,000 1,100,000,000 1,325,000,000 1,399,000,000 1,052,000,000 1,038,000,000 1,074,000,000 842,000,000 923,000,000 878,000,000 964,000,000 1,124,000,000 865,000,000 970,000,000 
        long-term debt due within one year
      		1,000,000 5,000,000 7,000,000 6,000,000 1,000,000 782,000,000 206,000,000 206,000,000                         1,000,000   4,000,000 773,000,000 774,000,000 772,000,000 21,000,000 136,000,000 26,000,000 26,000,000 29,000,000 35,000,000 87,000,000 85,000,000 655,000,000 655,000,000 604,000,000 1,025,000,000 465,000,000 540,000,000 118,000,000 128,000,000 445,000,000 489,000,000 510,000,000 572,000,000 231,000,000 200,000,000 1,311,000,000 666,000,000 669,000,000 663,000,000 115,000,000 85,000,000 56,000,000 54,000,000 47,000,000 54,000,000 198,000,000 656,000,000 661,000,000 855,000,000 62,000,000 59,000,000 47,000,000 48,000,000 47,000,000 497,000,000 498,000,000 490,000,000 523,000,000 164,000,000 88,000,000 75,000,000 85,000,000 
        total current liabilities
      		1,625,000,000 1,600,000,000 1,548,000,000 1,549,000,000 1,517,000,000 2,358,000,000 1,698,000,000 1,784,000,000 1,454,000,000 1,410,000,000 1,403,000,000 1,482,000,000 1,381,000,000 1,322,000,000 1,255,000,000 1,253,000,000 1,208,000,000 1,227,000,000 1,680,000,000 1,660,000,000 1,577,000,000 1,658,000,000 4,107,000,000 4,126,000,000 4,460,000,000 3,621,000,000 3,659,000,000 3,520,000,000 3,014,000,000 2,977,000,000 2,802,000,000 2,824,000,000 2,677,000,000 2,658,000,000 2,587,000,000 2,749,000,000 5,500,000,000 5,488,000,000 5,555,000,000 5,211,000,000 5,147,000,000 5,206,000,000 5,064,000,000 5,541,000,000 5,354,000,000 5,842,000,000 5,267,000,000 6,105,000,000 6,040,000,000 6,147,000,000 6,500,000,000 5,942,000,000 6,531,000,000 6,151,000,000 6,292,000,000 6,013,000,000 5,623,000,000 5,800,000,000 5,717,000,000 5,236,000,000 4,682,000,000 5,702,000,000 5,144,000,000 5,414,000,000 5,017,000,000 5,055,000,000 5,287,000,000 7,279,000,000 7,043,000,000 7,642,000,000 7,782,000,000 7,547,000,000 7,347,000,000 6,904,000,000 9,414,000,000 8,208,000,000 7,930,000,000 7,217,000,000 6,819,000,000 7,450,000,000 6,029,000,000 5,453,000,000 5,314,000,000 5,084,000,000 4,631,000,000 4,645,000,000 4,397,000,000 4,461,000,000 
        long-term debt
      		3,188,000,000 3,253,000,000 3,317,000,000  3,393,000,000 2,877,000,000 3,486,000,000  3,794,000,000                                                                                
        accrued pension benefits
      		597,000,000 613,000,000 625,000,000 625,000,000 629,000,000 645,000,000 662,000,000 664,000,000 618,000,000 626,000,000 625,000,000 633,000,000 689,000,000 710,000,000 746,000,000 771,000,000 847,000,000 868,000,000 941,000,000 985,000,000 1,002,000,000 1,006,000,000 2,389,000,000 2,460,000,000 2,001,000,000 2,079,000,000 2,172,000,000 2,230,000,000 2,120,000,000 2,184,000,000 2,249,000,000 2,564,000,000 2,110,000,000 2,202,000,000 2,293,000,000 2,345,000,000 3,700,000,000 3,122,000,000 3,251,000,000 3,298,000,000 2,968,000,000 3,182,000,000 3,163,000,000 3,291,000,000 2,840,000,000 3,020,000,000 3,082,000,000 3,183,000,000 3,407,000,000 3,558,000,000 3,626,000,000 3,722,000,000 2,754,000,000 2,899,000,000 3,059,000,000 3,261,000,000 2,081,000,000 2,217,000,000 2,309,000,000 2,923,000,000 2,677,000,000 2,679,000,000 2,547,000,000 3,163,000,000 2,797,000,000 2,792,000,000 2,930,000,000 2,941,000,000 858,000,000 1,271,000,000 1,305,000,000 1,311,000,000 1,504,000,000 1,539,000,000 1,275,000,000 1,464,000,000 1,533,000,000 1,284,000,000 1,559,000,000 1,546,000,000         
        accrued other postretirement benefits
      		50,000,000 52,000,000 54,000,000 54,000,000 84,000,000 90,000,000 91,000,000 92,000,000 98,000,000 106,000,000 108,000,000 109,000,000 147,000,000 150,000,000 152,000,000 153,000,000 154,000,000 156,000,000 159,000,000 198,000,000 191,000,000 190,000,000 700,000,000 714,000,000 629,000,000 641,000,000 636,000,000 723,000,000 773,000,000 815,000,000 833,000,000 841,000,000 811,000,000 822,000,000 867,000,000 889,000,000 2,177,000,000 2,070,000,000 2,077,000,000 2,106,000,000 2,110,000,000 2,105,000,000 2,128,000,000 2,155,000,000 2,119,000,000 2,244,000,000 2,333,000,000 2,354,000,000 2,527,000,000 2,541,000,000 2,578,000,000 2,603,000,000 2,516,000,000 2,536,000,000 2,560,000,000 2,583,000,000 2,555,000,000 2,609,000,000 2,606,000,000 2,615,000,000                             
        other noncurrent liabilities and deferred credits
      		574,000,000 486,000,000 436,000,000 428,000,000 432,000,000 432,000,000 387,000,000 351,000,000 330,000,000 327,000,000 289,000,000 268,000,000 269,000,000 280,000,000 291,000,000 307,000,000 297,000,000 303,000,000 305,000,000 324,000,000 371,000,000 365,000,000 695,000,000 751,000,000 779,000,000 805,000,000 817,000,000 739,000,000 730,000,000 713,000,000 744,000,000 759,000,000 876,000,000 875,000,000  870,000,000 2,625,000,000 2,652,000,000 2,639,000,000 2,738,000,000 2,580,000,000 2,743,000,000 2,785,000,000 2,849,000,000 2,877,000,000 2,885,000,000 2,940,000,000 2,971,000,000 2,761,000,000 2,747,000,000 2,883,000,000 3,078,000,000 3,186,000,000 2,451,000,000 2,548,000,000 2,428,000,000 2,373,000,000 2,669,000,000 2,770,000,000 2,560,000,000 2,526,000,000 2,207,000,000 2,631,000,000 2,605,000,000 1,803,000,000 1,659,000,000 1,530,000,000 1,580,000,000 1,852,000,000 2,123,000,000 2,067,000,000 1,959,000,000 1,981,000,000 1,925,000,000 1,931,000,000 2,098,000,000 1,919,000,000 1,762,000,000 1,694,000,000 1,792,000,000 3,274,000,000 3,367,000,000 3,249,000,000 3,389,000,000 3,373,000,000 3,328,000,000 2,931,000,000 2,878,000,000 
        total liabilities
      		6,034,000,000 6,004,000,000 5,980,000,000 5,965,000,000 6,055,000,000 6,402,000,000 6,324,000,000 6,391,000,000 6,294,000,000 6,458,000,000 6,413,000,000 6,654,000,000 6,656,000,000 6,631,000,000 6,672,000,000 6,711,000,000 6,778,000,000 6,781,000,000 7,309,000,000 7,866,000,000 7,838,000,000 7,914,000,000 13,668,000,000 12,957,000,000 12,774,000,000 13,047,000,000 13,183,000,000 13,108,000,000 12,952,000,000 13,001,000,000 12,937,000,000 13,794,000,000 13,276,000,000 13,353,000,000 14,662,000,000 14,897,000,000 23,503,000,000 21,610,000,000 21,779,000,000 22,397,000,000 21,896,000,000 21,949,000,000 21,851,000,000 22,605,000,000 21,987,000,000 21,603,000,000 21,231,000,000 22,220,000,000 22,365,000,000 22,693,000,000 23,332,000,000 23,656,000,000 23,337,000,000 22,584,000,000 23,077,000,000 22,925,000,000 21,315,000,000 22,097,000,000 21,932,000,000 22,207,000,000 21,592,000,000 21,587,000,000 21,985,000,000 22,912,000,000 21,881,000,000 22,067,000,000 21,975,000,000 23,490,000,000 21,233,000,000 21,165,000,000 20,894,000,000 20,960,000,000 21,142,000,000 20,652,000,000 20,070,000,000 19,877,000,000 19,609,000,000 18,664,000,000 18,637,000,000 19,142,000,000 18,391,000,000 18,094,000,000 18,448,000,000 18,296,000,000 18,592,000,000 18,866,000,000 18,903,000,000 18,590,000,000 
        contingencies and commitments
      		                                                                                        
        equity
      		                                                                                        
        howmet aerospace shareholders’ equity:
      		                                                                                        
        preferred stock
      		55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 
        common stock
      		403,000,000 404,000,000 404,000,000 405,000,000 407,000,000 408,000,000 408,000,000 410,000,000 412,000,000 412,000,000 412,000,000 412,000,000 414,000,000 416,000,000 418,000,000 422,000,000 428,000,000 429,000,000 434,000,000 433,000,000 434,000,000 436,000,000 436,000,000 433,000,000 434,000,000 440,000,000 453,000,000 483,000,000 483,000,000 483,000,000 483,000,000 481,000,000 442,000,000 441,000,000 441,000,000 438,000,000 438,000,000 1,391,000,000 1,391,000,000 1,391,000,000 1,391,000,000 1,304,000,000 1,304,000,000 1,304,000,000 1,267,000,000 1,267,000,000 1,267,000,000 1,178,000,000 1,178,000,000 1,178,000,000 1,178,000,000 1,178,000,000 1,178,000,000 1,178,000,000 1,178,000,000 1,178,000,000 1,178,000,000 1,178,000,000 1,178,000,000 1,141,000,000 1,141,000,000 1,141,000,000 1,141,000,000 1,097,000,000 1,097,000,000 1,097,000,000 1,097,000,000 925,000,000 925,000,000 925,000,000 925,000,000 925,000,000 925,000,000 925,000,000 925,000,000 925,000,000 925,000,000 925,000,000 925,000,000 925,000,000 925,000,000 925,000,000 925,000,000 925,000,000 925,000,000 925,000,000 925,000,000 925,000,000 
        additional capital
      		2,717,000,000 2,898,000,000 3,095,000,000 3,206,000,000 3,386,000,000 3,486,000,000 3,542,000,000 3,682,000,000 3,770,000,000 3,782,000,000 3,941,000,000 3,947,000,000 3,998,000,000 4,079,000,000 4,123,000,000 4,291,000,000 4,473,000,000 4,481,000,000 4,671,000,000 4,668,000,000 4,683,000,000 4,703,000,000 7,326,000,000 7,319,000,000 7,314,000,000 7,484,000,000 7,644,000,000 8,319,000,000 8,310,000,000 8,295,000,000 8,280,000,000 8,266,000,000 8,294,000,000 8,262,000,000 8,249,000,000 8,214,000,000 8,197,000,000 9,877,000,000 9,856,000,000 10,019,000,000 9,954,000,000 9,147,000,000 9,124,000,000 9,284,000,000 8,760,000,000 7,635,000,000 7,704,000,000 7,509,000,000 7,536,000,000 7,524,000,000 7,508,000,000 7,560,000,000 7,549,000,000 7,538,000,000 7,523,000,000 7,561,000,000 7,545,000,000 7,522,000,000 7,508,000,000 7,087,000,000 7,094,000,000 7,091,000,000 7,100,000,000 6,608,000,000 6,612,000,000 6,601,000,000 6,579,000,000 5,850,000,000 5,842,000,000 5,827,000,000 5,782,000,000 5,760,000,000 5,716,000,000 5,790,000,000 5,811,000,000 5,807,000,000 5,810,000,000 5,742,000,000 5,749,000,000 5,762,000,000 5,788,000,000 5,791,000,000 5,792,000,000 5,831,000,000 5,879,000,000 6,088,000,000 6,098,000,000 6,101,000,000 
        retained earnings
      		3,722,000,000 3,434,000,000 3,068,000,000 2,766,000,000 2,453,000,000 2,186,000,000 1,942,000,000 1,720,000,000 1,485,000,000 1,334,000,000 1,159,000,000 1,028,000,000 917,000,000 863,000,000 725,000,000 603,000,000 534,000,000 517,000,000 443,000,000 364,000,000 258,000,000 223,000,000 335,000,000 129,000,000             8,940,000,000 8,871,000,000 8,753,000,000 8,834,000,000 9,553,000,000 9,605,000,000 9,520,000,000 9,379,000,000 9,276,000,000 9,163,000,000 9,061,000,000 9,272,000,000 11,611,000,000 11,653,000,000 11,805,000,000 11,689,000,000 11,447,000,000 11,655,000,000 11,690,000,000 11,629,000,000 11,820,000,000 11,714,000,000 11,424,000,000 11,149,000,000 10,922,000,000 10,892,000,000 10,787,000,000 11,020,000,000 11,297,000,000 11,281,000,000 11,734,000,000 12,400,000,000 13,600,000,000 13,607,000,000 13,063,000,000 12,405,000,000 12,146,000,000 11,579,000,000 10,706,000,000 10,431,000,000 9,818,000,000 9,124,000,000 9,093,000,000 8,765,000,000 8,367,000,000 8,347,000,000 8,074,000,000 7,850,000,000 7,560,000,000 7,413,000,000 7,451,000,000 7,428,000,000 
        accumulated other comprehensive loss
      		-1,754,000,000 -1,749,000,000 -1,830,000,000 -1,878,000,000 -1,798,000,000 -1,858,000,000 -1,861,000,000 -1,830,000,000 -1,850,000,000 -1,808,000,000 -1,806,000,000 -1,841,000,000 -2,111,000,000 -1,992,000,000 -1,864,000,000 -1,863,000,000 -1,911,000,000 -1,884,000,000 -1,941,000,000 -1,943,000,000 -1,929,000,000 -1,968,000,000 -3,369,000,000 -3,329,000,000 -2,928,000,000 -2,869,000,000 -2,852,000,000 -2,926,000,000 -2,544,000,000 -2,556,000,000 -2,386,000,000 -2,644,000,000 -2,327,000,000 -2,454,000,000 -2,498,000,000 -2,568,000,000 -5,858,000,000 -5,215,000,000 -5,175,000,000 -5,431,000,000 -5,532,000,000 -4,966,000,000 -5,591,000,000 -4,677,000,000 -3,836,000,000 -3,168,000,000 -3,301,000,000 -3,659,000,000 -3,714,000,000 -3,783,000,000 -3,309,000,000 -3,402,000,000 -2,777,000,000 -2,878,000,000 -2,406,000,000 -2,627,000,000 -1,725,000,000 -858,000,000 -1,418,000,000 -1,675,000,000 -1,688,000,000 -2,393,000,000 -2,223,000,000 -2,092,000,000 -1,559,000,000 -1,945,000,000 -2,756,000,000 -3,169,000,000 -1,031,000,000  -189,000,000 -721,000,000 -367,000,000 -974,000,000 -770,000,000 -846,000,000 -746,000,000 -338,000,000 -587,000,000 -217,000,000 -624,000,000 -872,000,000 -566,000,000 -569,000,000 -1,146,000,000 -1,300,000,000 -1,627,000,000 -1,754,000,000 
        total equity
      		5,143,000,000 5,042,000,000 4,792,000,000 4,554,000,000 4,503,000,000 4,277,000,000 4,086,000,000 4,037,000,000 3,872,000,000 3,775,000,000 3,761,000,000 3,601,000,000 3,273,000,000 3,421,000,000 3,457,000,000 3,508,000,000 3,579,000,000 3,598,000,000 3,662,000,000 3,577,000,000 3,501,000,000 3,449,000,000 4,797,000,000 4,621,000,000 4,710,000,000 4,866,000,000 5,178,000,000 5,585,000,000 5,375,000,000 5,218,000,000 5,282,000,000 4,924,000,000 5,961,000,000 5,753,000,000 5,495,000,000 5,141,000,000 13,945,000,000 14,529,000,000 14,361,000,000 14,131,000,000 14,691,000,000 14,638,000,000 13,843,000,000 14,794,000,000 15,135,000,000 14,706,000,000 14,374,000,000 13,522,000,000 15,864,000,000 15,858,000,000 16,774,000,000 16,523,000,000 16,854,000,000 16,914,000,000 17,626,000,000 17,195,000,000 18,283,000,000 19,369,000,000 18,404,000,000 17,086,000,000 16,778,000,000 15,725,000,000 15,850,000,000 15,520,000,000 16,218,000,000 15,581,000,000 14,937,000,000                      
        total liabilities and equity
      		11,177,000,000 11,046,000,000 10,772,000,000 10,519,000,000 10,558,000,000 10,679,000,000 10,410,000,000 10,428,000,000 10,166,000,000 10,233,000,000 10,174,000,000 10,255,000,000 9,929,000,000 10,052,000,000 10,129,000,000 10,219,000,000 10,357,000,000 10,379,000,000 10,971,000,000 11,443,000,000 11,339,000,000 11,363,000,000 18,465,000,000 17,578,000,000 17,484,000,000 17,913,000,000 18,361,000,000 18,693,000,000 18,327,000,000 18,219,000,000 18,219,000,000 18,718,000,000 19,237,000,000 19,106,000,000 20,157,000,000 20,038,000,000 37,448,000,000 36,139,000,000 36,140,000,000 36,528,000,000 36,587,000,000 36,587,000,000 35,694,000,000 37,399,000,000 37,122,000,000 36,309,000,000 35,605,000,000 35,742,000,000 38,229,000,000 38,551,000,000 40,106,000,000 40,179,000,000 40,191,000,000 39,498,000,000 40,703,000,000 40,120,000,000 39,598,000,000 41,466,000,000 40,336,000,000 39,293,000,000 38,370,000,000 37,312,000,000 37,835,000,000 38,472,000,000 38,099,000,000 37,648,000,000 36,912,000,000 37,822,000,000 39,038,000,000 40,726,000,000 39,399,000,000 39,198,000,000 40,118,000,000 38,021,000,000 36,304,000,000 35,771,000,000 34,929,000,000 33,611,000,000 33,200,000,000 33,714,000,000 32,308,000,000 31,667,000,000 32,099,000,000 31,711,000,000 30,989,000,000 30,771,000,000 30,356,000,000 29,810,000,000 
        receivables from customers, less allowances of — in both 2024 and 2023
      		   689,000,000 757,000,000 749,000,000 785,000,000                                                                                  
        long-term debt, less amount due within one year
      		   3,309,000,000    3,500,000,000    4,162,000,000 4,170,000,000 4,169,000,000 4,228,000,000 4,227,000,000 4,272,000,000 4,227,000,000 4,224,000,000 4,699,000,000 4,697,000,000 4,695,000,000 5,777,000,000 4,906,000,000 4,905,000,000 5,901,000,000 5,899,000,000 5,896,000,000 6,315,000,000 6,312,000,000 6,309,000,000 6,806,000,000 6,802,000,000 6,796,000,000 8,046,000,000 8,044,000,000 9,501,000,000 8,278,000,000 8,257,000,000 9,044,000,000 9,091,000,000 8,713,000,000 8,711,000,000 8,769,000,000 8,797,000,000 7,612,000,000 7,609,000,000 7,607,000,000 7,630,000,000 7,700,000,000 7,745,000,000 8,311,000,000 8,350,000,000 8,547,000,000 8,618,000,000 8,640,000,000 8,658,000,000 8,773,000,000 8,501,000,000 8,842,000,000 8,990,000,000 8,281,000,000 8,925,000,000 8,974,000,000 9,067,000,000 9,387,000,000 9,107,000,000 8,509,000,000 8,370,000,000 6,782,000,000 6,438,000,000 6,332,000,000 6,263,000,000 6,311,000,000 4,446,000,000 5,158,000,000 5,226,000,000 5,386,000,000 5,514,000,000 5,267,000,000 6,108,000,000 6,329,000,000 6,782,000,000 6,692,000,000 7,657,000,000 7,945,000,000 8,672,000,000 8,365,000,000 
        howmet aerospace inc. shareholders’ equity:
      		                                                                                        
        receivables from customers, less allowances of — in 2023 and 1 in 2022
      		       675,000,000                                                                                 
        receivables from customers, less allowances of 1 in both 2023 and 2022
      		        714,000,000 657,000,000 655,000,000                                                                              
        long-term debt, less amounts due within one year
      		         3,989,000,000 3,988,000,000                                                                              
        receivables from customers, less allowances of 1 in 2022 and — in 2021
      		           506,000,000   479,000,000                                                                          
        short-term debt
      		            1,000,000 1,000,000 3,000,000 5,000,000 14,000,000 13,000,000 489,000,000 376,000,000 384,000,000 391,000,000 1,342,000,000 1,034,000,000 1,434,000,000 434,000,000 435,000,000 434,000,000 42,000,000 45,000,000 45,000,000 38,000,000                                                         
        receivables from customers, less allowances of — in both 2022 and 2021
      		            550,000,000                                                                            
        receivables from customers, less allowances of — in 2022 and 2021
      		             501,000,000                                                                           
        receivables from customers, less allowances of — in 2021 and 1 in 2020
      		               367,000,000 408,000,000 316,000,000                                                                       
        total howmet aerospace inc. shareholders’ equity
      		               3,508,000,000                                                                         
        noncontrolling interests
      		                      14,000,000 14,000,000 14,000,000 12,000,000 12,000,000 12,000,000 14,000,000 14,000,000 14,000,000 14,000,000 13,000,000 13,000,000 13,000,000 26,000,000 2,170,000,000 2,194,000,000 2,135,000,000 2,085,000,000 2,097,000,000 2,324,000,000 2,269,000,000 2,488,000,000 2,739,000,000 3,029,000,000 2,983,000,000 2,929,000,000 3,008,000,000 3,043,000,000 3,353,000,000 3,324,000,000 3,284,000,000 3,256,000,000 3,484,000,000 3,351,000,000 3,364,000,000 3,717,000,000 3,630,000,000 3,475,000,000 3,425,000,000 3,116,000,000 3,181,000,000 3,100,000,000 2,984,000,000 2,764,000,000 2,500,000,000                      
        receivables from customers, less allowances of 1 in 2021 and 1 in 2020
      		                  339,000,000                                                                      
        receivables from customers, less allowances of 1 in 2020 and 1 in 2019
      		                   328,000,000 310,000,000 364,000,000                                                                   
        current assets of discontinued operations
      		                                                                                        
        noncurrent assets of discontinued operations
      		                                                                                        
        current liabilities of discontinued operations
      		                                                                                        
        noncurrent liabilities of discontinued operations
      		                                                                                        
        total howmet aerospace shareholders’ equity
      		                   3,577,000,000 3,501,000,000 3,449,000,000 4,783,000,000                                                                  
        receivables from customers, less allowances of 2 in 2020 and 3 in 2019
      		                      1,290,000,000                                                                  
        receivables from customers, less allowances of 3 in 2019 and 4 in 2018
      		                       967,000,000                                                                 
        arconic shareholders’ equity:
      		                                                                                        
        total arconic shareholders’ equity
      		                       4,607,000,000 4,696,000,000 4,854,000,000 5,166,000,000 5,573,000,000 5,361,000,000 5,204,000,000 5,268,000,000 4,910,000,000 5,948,000,000 5,740,000,000 5,482,000,000 5,115,000,000 11,775,000,000                                                    
        receivables from customers, less allowances of 4 in 2019 and 2018
      		                        1,116,000,000 1,155,000,000 1,170,000,000                                                              
        accumulated deficit
      		                        -179,000,000 -256,000,000 -134,000,000 -358,000,000 -943,000,000 -1,073,000,000 -1,164,000,000 -1,248,000,000 -519,000,000 -567,000,000 -768,000,000                                                      
        receivables from customers, less allowances of 4 in 2018 and 8 in 2017
      		                           1,047,000,000                                                             
        receivables from customers, less allowances of 5 in 2018 and 8 in 2017
      		                            1,147,000,000 1,159,000,000                                                           
        receivables from customers, less allowances of 8 in 2018 and 2017
      		                              1,179,000,000                                                          
        receivables from customers, less allowances of 8 in 2017 and 13 in 2016
      		                               1,035,000,000  1,170,000,000                                                       
        investment in common stock of alcoa corporation
      		                                  446,000,000 1,020,000,000                                                     
        mandatory convertible preferred stock
      		                                3,000,000 3,000,000 3,000,000 3,000,000 3,000,000 3,000,000 3,000,000 3,000,000 3,000,000 3,000,000 3,000,000 3,000,000 3,000,000                                            
        receivables from customers, less allowances of 7 in 2017 and 13 in 2016
      		                                1,150,000,000                                                        
        less: accumulated depreciation and amortization
      		                                6,265,000,000 6,231,000,000 6,160,000,000                                                      
        short-term borrowings
      		                                54,000,000 48,000,000 47,000,000 36,000,000 32,000,000 33,000,000 40,000,000 38,000,000 50,000,000 50,000,000 80,000,000 54,000,000 57,000,000 133,000,000 53,000,000 57,000,000 59,000,000 55,000,000 51,000,000 53,000,000 591,000,000 559,000,000 722,000,000 62,000,000 57,000,000 65,000,000 221,000,000 92,000,000 119,000,000 134,000,000 166,000,000 176,000,000 343,000,000 663,000,000 680,000,000 478,000,000 498,000,000 609,000,000 548,000,000 575,000,000 545,000,000 516,000,000 441,000,000 361,000,000 370,000,000 270,000,000 257,000,000 330,000,000 44,000,000 54,000,000 38,000,000 56,000,000 34,000,000 24,000,000 32,000,000 37,000,000 
        receivables from customers, less allowances of 12 in 2017 and 13 in 2016
      		                                  1,148,000,000                                                      
        other nocurrent liabilities and deferred credits
      		                                  869,000,000                                                      
        receivables from customers, less allowances of 13 in 2016 and 8 in 2015
      		                                   974,000,000                                                     
        retained (deficit) earnings
      		                                   -1,027,000,000                                                     
        treasury stock
      		                                     -2,647,000,000 -2,657,000,000 -2,825,000,000 -2,830,000,000 -2,834,000,000 -2,841,000,000 -3,042,000,000 -3,129,000,000 -3,275,000,000 -3,395,000,000 -3,762,000,000 -3,810,000,000 -3,812,000,000 -3,816,000,000 -3,881,000,000 -3,882,000,000 -3,890,000,000 -3,898,000,000 -3,952,000,000 -3,954,000,000 -3,959,000,000 -3,973,000,000 -4,146,000,000 -4,171,000,000 -4,177,000,000 -4,191,000,000 -4,268,000,000 -4,268,000,000 -4,272,000,000 -4,272,000,000 -4,326,000,000 -4,326,000,000 -3,852,000,000 -3,823,000,000 -2,510,000,000 -1,643,000,000 -1,953,000,000 -2,022,000,000 -1,952,000,000 -1,933,000,000 -1,863,000,000 -1,879,000,000 -1,887,000,000 -1,956,000,000 -1,971,000,000 -1,986,000,000 -2,017,000,000 -2,156,000,000 -2,792,000,000 -2,819,000,000 -2,828,000,000 
        restricted cash
      		                                    1,337,000,000                                                    
        receivables from customers, less allowances of 14 in 2016 and 13 in 2015
      		                                    1,675,000,000 1,595,000,000                                                   
        less: accumulated depreciation, depletion, and amortization
      		                                    19,821,000,000 19,424,000,000 19,405,000,000  18,485,000,000 19,003,000,000 18,576,000,000  20,031,000,000 20,286,000,000 19,792,000,000  19,465,000,000 19,150,000,000 19,422,000,000  18,860,000,000 18,483,000,000 18,813,000,000  17,872,000,000 18,216,000,000 17,753,000,000  16,888,000,000 16,016,000,000 16,090,000,000  15,340,000,000 14,811,000,000 13,944,000,000  14,901,000,000 15,576,000,000 15,172,000,000 14,527,000,000 15,210,000,000 14,865,000,000 14,544,000,000 14,352,000,000 14,016,000,000 13,828,000,000 13,597,000,000 13,345,000,000 12,880,000,000 12,580,000,000 12,459,000,000      
        investments
      		                                    1,465,000,000 1,466,000,000 1,684,000,000 1,685,000,000 1,647,000,000 1,928,000,000 1,931,000,000 1,944,000,000 1,946,000,000 1,979,000,000 1,949,000,000 1,907,000,000 1,908,000,000 1,848,000,000 1,862,000,000 1,860,000,000 1,831,000,000 1,775,000,000 1,750,000,000 1,626,000,000 1,521,000,000 1,596,000,000 1,469,000,000 1,340,000,000 1,189,000,000 1,079,000,000 1,058,000,000 1,061,000,000 940,000,000 850,000,000 801,000,000 1,915,000,000 2,689,000,000 3,353,000,000 3,133,000,000 1,981,000,000 3,327,000,000 1,903,000,000 1,379,000,000 1,411,000,000 1,644,000,000 1,263,000,000 1,183,000,000 1,897,000,000         
        alcoa shareholders’ equity:
      		                                                                                        
        total alcoa shareholders’ equity
      		                                     12,335,000,000 12,226,000,000 12,046,000,000 12,594,000,000 12,314,000,000 11,574,000,000 12,306,000,000 12,396,000,000 11,677,000,000 11,391,000,000 10,593,000,000 12,856,000,000 12,815,000,000 13,421,000,000 13,199,000,000 13,570,000,000 13,658,000,000 14,142,000,000 13,844,000,000 14,919,000,000 15,652,000,000 14,774,000,000 13,611,000,000 13,353,000,000 12,609,000,000 12,669,000,000 12,420,000,000 13,234,000,000 12,817,000,000 12,437,000,000                      
        receivables from customers, less allowances of 13 in 2016 and 13 in 2015
      		                                      1,556,000,000                                                  
        receivables from customers, less allowances of 13 in 2015 and 14 in 2014
      		                                       1,340,000,000  1,558,000,000 1,469,000,000                                              
        receivables from customers, less allowances of 12 in 2015 and 14 in 2014
      		                                        1,525,000,000                                                
        receivables from customers, less allowances of 14 in 2014 and 20 in 2013
      		                                           1,395,000,000                                             
        receivables from customers, less allowances of 20 in both 2014 and 2013
      		                                            1,480,000,000                                            
        commercial paper
      		                                            99,000,000 223,000,000     104,000,000  43,000,000 318,000,000 275,000,000 224,000,000 107,000,000     74,000,000    100,000,000 333,000,000 1,535,000,000 1,207,000,000 1,199,000,000 1,456,000,000 356,000,000 439,000,000 272,000,000 2,193,000,000 1,898,000,000 1,672,000,000 1,162,000,000 1,105,000,000 1,632,000,000         
        receivables from customers, less allowances of 21 in 2014 and 20 in 2013
      		                                             1,381,000,000 1,379,000,000                                          
        receivables from customers, less allowances of 20 in 2013 and 39 in 2012
      		                                               1,221,000,000                                         
        receivables from customers, less allowances of 21 in 2013 and 39 in 2012
      		                                                1,422,000,000                                        
        receivables from customers, less allowances of 22 in 2013 and 39 in 2012
      		                                                 1,354,000,000                                       
        receivables from customers, less allowances of 35 in 2013 and 39 in 2012
      		                                                  1,680,000,000                                      
        receivables from customers, less allowances of 39 in 2012 and 46 in 2011
      		                                                   1,399,000,000                                     
        receivables from customers, less allowances of 44 in 2012 and 46 in 2011
      		                                                    1,619,000,000                                    
        receivables from customers, less allowances of 42 in 2012 and 46 in 2011
      		                                                     1,575,000,000                                   
        receivables from customers, less allowances of 45 in 2012 and 46 in 2011
      		                                                      1,526,000,000                                  
        receivables from customers, less allowances of 46 in both 2011 and 2010
      		                                                       1,571,000,000                                 
        receivables from customers, less allowances of 39 in 2011 and 45 in 2010
      		                                                        1,915,000,000                                
        assets held for sale
      		                                                        78,000,000 106,000,000 103,000,000 99,000,000 101,000,000 95,000,000 120,000,000 133,000,000 179,000,000 176,000,000 231,000,000 247,000,000 3,000,000 19,000,000 261,000,000 3,044,000,000 123,000,000 1,019,000,000 243,000,000 28,000,000 35,000,000 369,000,000 57,000,000 109,000,000 42,000,000 25,000,000 198,000,000 549,000,000 573,000,000 638,000,000 609,000,000 575,000,000 
        liabilities of operations held for sale
      		                                                        25,000,000 29,000,000 29,000,000 31,000,000 31,000,000 31,000,000 49,000,000 60,000,000 76,000,000 64,000,000 130,000,000 130,000,000 1,000,000 17,000,000 63,000,000 437,000,000 108,000,000 277,000,000 127,000,000 5,000,000 4,000,000 28,000,000 13,000,000 60,000,000 12,000,000 3,000,000 39,000,000 107,000,000 108,000,000 117,000,000 90,000,000 64,000,000 
        commitments and contingencies
      		                                                                                        
        receivables from customers, less allowances of 41 in 2011 and 45 in 2010
      		                                                         2,083,000,000                               
        receivables from customers, less allowances of 45 in 2011 and 2010
      		                                                          2,001,000,000                              
        receivables from customers, less allowances of 45 in 2010 and 70 in 2009
      		                                                           1,565,000,000                             
        convertible securities of subsidiary
      		                                                               40,000,000                         
        receivables from customers, less allowances of 57 in 2010 and 70 in 2009
      		                                                            1,971,000,000                            
        accrued postretirement benefits
      		                                                            2,686,000,000 2,687,000,000 2,689,000,000 2,696,000,000 2,755,000,000 2,723,000,000 2,730,000,000 2,730,000,000 2,577,000,000 2,695,000,000 2,715,000,000 2,840,000,000 2,910,000,000 2,933,000,000 2,082,000,000 2,111,000,000 2,090,000,000 2,119,000,000 2,128,000,000 2,141,000,000 2,178,000,000 2,199,000,000 2,213,000,000 2,220,000,000 2,256,000,000 2,279,000,000 2,304,000,000 2,320,000,000 
        receivables from customers, less allowances of 56 in 2010 and 70 in 2009
      		                                                             1,938,000,000                           
        receivables from customers, less allowances of 61 in 2010 and 70 in 2009
      		                                                              1,647,000,000                          
        receivables from customers, less allowances of 70 in 2009 and 65 in 2008
      		                                                               1,529,000,000   1,677,000,000                      
        fair value of hedged aluminum
      		                                                                31,000,000 199,000,000 494,000,000 586,000,000                     
        fair value of derivative contracts
      		                                                               127,000,000 81,000,000 199,000,000 382,000,000 461,000,000    140,000,000 238,000,000 251,000,000 241,000,000 345,000,000 465,000,000            
        receivables from customers, less allowances of 74 in 2009 and 65 in 2008
      		                                                                1,723,000,000                        
        other assets
      		                                                                2,666,000,000 2,526,000,000 2,384,000,000 2,386,000,000 4,014,000,000 4,251,000,000 4,359,000,000 3,853,000,000 4,364,000,000 4,320,000,000 4,145,000,000 4,132,000,000 4,115,000,000 3,973,000,000 4,186,000,000 3,975,000,000 5,642,000,000 5,369,000,000 5,563,000,000 5,316,000,000 4,819,000,000 4,740,000,000 4,511,000,000 4,446,000,000 
        receivables from customers, less allowances of 72 in 2009 and 65 in 2008
      		                                                                 1,611,000,000                       
        taxes, including taxes on income
      		                                                                  188,000,000 378,000,000 380,000,000 489,000,000 517,000,000 1,524,000,000 689,000,000 757,000,000 1,019,000,000 947,000,000 867,000,000 932,000,000 994,000,000 1,029,000,000 956,000,000 805,000,000 680,000,000 703,000,000 754,000,000 743,000,000 817,000,000 818,000,000 
        receivables from customers, less allowances of 65 in 2008 and 68 in 2007
      		                                                                   1,883,000,000                     
        minority interests
      		                                                                   2,597,000,000 2,740,000,000 2,859,000,000 2,692,000,000 2,324,000,000 2,144,000,000 1,947,000,000 1,529,000,000 1,474,000,000 1,391,000,000 1,302,000,000 1,207,000,000 1,169,000,000 1,362,000,000 1,298,000,000 1,357,000,000 1,340,000,000 1,280,000,000 1,516,000,000 1,370,000,000 1,293,000,000 
        shareholders’ equity
      		                                                                                        
        total shareholders’ equity
      		                                                                   11,735,000,000 15,065,000,000 16,702,000,000 15,813,000,000 15,914,000,000 16,832,000,000 15,422,000,000 14,705,000,000 14,420,000,000 13,929,000,000 13,645,000,000 13,356,000,000 13,403,000,000 12,555,000,000 12,275,000,000 12,294,000,000 12,075,000,000 11,117,000,000 10,389,000,000 10,083,000,000 9,927,000,000 
        receivables from customers, less allowances of 57 in 2008 and 72 in 2007
      		                                                                    2,700,000,000                    
        receivables from customers, less allowances of 65 in 2008 and 72 in 2007
      		                                                                     3,063,000,000                   
        accumulated other comprehensive income
      		                                                                     140,000,000                   
        receivables from customers, less allowances of 70 in 2008 and 72 in 2007
      		                                                                      3,048,000,000                  
        receivables from customers, less allowances of 72 in 2007 and 68 in 2006
      		                                                                       2,976,000,000                 
        receivables from customers, less allowances of 66 in 2007 and 75 in 2006
      		                                                                        3,370,000,000                
        receivables from customers, less allowances of 71 in 2007 and 75 in 2006
      		                                                                         3,314,000,000               
        receivables from customers, less allowances of 84 in 2006 and 75 in 2005
      		                                                                          3,523,000,000              
        properties, plants, and equipment, at cost
      		                                                                          29,025,000,000 28,387,000,000 27,507,000,000 26,838,000,000 26,379,000,000 26,080,000,000 25,132,000,000 24,820,000,000 24,930,000,000      
        net properties, plants, and equipment
      		                                                                          14,481,000,000 14,035,000,000 13,491,000,000 13,010,000,000 12,782,000,000 12,735,000,000 12,252,000,000 12,240,000,000 12,471,000,000      
        receivables from customers, less allowances of 85 in 2006 and 80 in 2005
      		                                                                           3,625,000,000             
        receivables from customers, less allowances of 81 in 2006 and 80 in 2005
      		                                                                            3,380,000,000            
        receivables from customers, less allowances of 82 in 2005 and 86 in 2004
      		                                                                             3,084,000,000           
        receivables from customers, less allowances of 79 in 2005 and 87 in 2004
      		                                                                              3,245,000,000          
        receivables from customers, less allowances of 81 in 2005 and 87 in 2004
      		                                                                               3,159,000,000         
        receivables from customers, less allowances of 97 in 2004 and 105 in 2003
      		                                                                                3,013,000,000        
        receivables from customers, less allowances of 103 in 2004 and 105 in 2003
      		                                                                                 2,983,000,000       
        receivables from customers, less allowances of 116 in 2004 and 105 in 2003
      		                                                                                  2,854,000,000      
        receivables from customers, less allowances: 2003 – 105; 2002 – 124
      		                                                                                   2,521,000,000     
        receivables from customers, less allowances of 104 in 2003 and 120 in 2002
      		                                                                                    2,563,000,000    
        properties, plants and equipment, at cost
      		                                                                                    24,490,000,000 24,149,000,000 23,606,000,000  
        less: accumulated depreciation, depletion and amortization
      		                                                                                    12,096,000,000 11,862,000,000 11,420,000,000  
        net properties, plants and equipment
      		                                                                                    12,394,000,000 12,287,000,000 12,186,000,000  
        receivables from customers, less allowances of 111 in 2003 and 120 in 2002
      		                                                                                     2,590,000,000   
        receivables from customers, less allowances of 127 in 2003 and 120 in 2002
      		                                                                                      2,611,000,000  
        short-term investments
      		                                                                                       69,000,000 
        receivables from customers, less allowances: 2002-120; 2001-121
      		                                                                                       2,378,000,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-09-30 2016-06-30 2016-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-03-31 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2007-06-30 2007-03-31 2006-09-30 2006-06-30 2006-03-31 2005-09-30 2004-09-30 2004-06-30 2003-03-31 
                                                                        
          operating activities
        		                                                                
          net income
        		385,000,000 407,000,000 344,000,000 314,000,000 332,000,000 266,000,000 243,000,000 236,000,000 188,000,000 193,000,000 148,000,000 111,000,000 80,000,000 147,000,000 131,000,000 77,000,000 27,000,000 74,000,000 80,000,000 106,000,000 36,000,000 -96,000,000 215,000,000 309,000,000 95,000,000 -121,000,000 187,000,000 218,000,000 161,000,000 120,000,000 143,000,000 -727,000,000 119,000,000 212,000,000 322,000,000 186,000,000 178,000,000 11,000,000 114,000,000 131,000,000 129,000,000 -197,000,000 170,000,000 -19,000,000 99,000,000 -163,000,000 225,000,000 377,000,000 366,000,000 -268,000,000 124,000,000 -459,000,000 -487,000,000 -1,191,000,000 268,000,000 715,000,000 662,000,000 537,000,000 744,000,000 608,000,000 289,000,000 283,000,000 608,000,000 151,000,000 
          adjustments to reconcile net income to cash from operations:
        		                                                                
          depreciation and amortization
        		72,000,000 69,000,000 69,000,000 73,000,000 68,000,000 69,000,000 67,000,000 68,000,000 68,000,000 67,000,000 69,000,000 67,000,000 65,000,000 67,000,000 66,000,000 67,000,000 68,000,000 67,000,000 68,000,000 67,000,000 68,000,000 74,000,000 129,000,000 129,000,000 131,000,000 139,000,000 137,000,000 149,000,000 141,000,000 144,000,000 142,000,000                                  
          deferred income taxes
        		63,000,000 -6,000,000 18,000,000 16,000,000 -28,000,000 35,000,000 32,000,000 16,000,000 35,000,000 26,000,000 31,000,000 21,000,000 6,000,000 24,000,000 28,000,000 14,000,000 9,000,000 5,000,000 10,000,000 -23,000,000 0 6,000,000 19,000,000 17,000,000 42,000,000 -86,000,000 8,000,000 -64,000,000 48,000,000 29,000,000 18,000,000 410,000,000 -3,000,000 7,000,000 20,000,000 11,000,000 8,000,000 -86,000,000 -37,000,000 135,000,000 -115,000,000 -18,000,000 -13,000,000 -3,000,000 -100,000,000 -103,000,000 -36,000,000 77,000,000 -119,000,000 -541,000,000 -33,000,000 2,000,000 -24,000,000 -246,000,000 173,000,000 45,000,000 1,000,000 -75,000,000 1,000,000 -4,000,000     
          restructuring and other (credits) charges
        		0 0 -4,000,000                                                              
          net realized and unrealized losses
        		6,000,000 6,000,000 5,000,000 7,000,000 5,000,000 6,000,000 7,000,000 5,000,000 6,000,000 7,000,000 4,000,000 6,000,000 5,000,000                                                    
          net periodic pension cost
        		10,000,000 11,000,000 10,000,000 9,000,000 11,000,000 10,000,000 10,000,000 9,000,000 9,000,000 10,000,000 9,000,000 7,000,000 6,000,000 5,000,000 6,000,000                                                  
          stock-based compensation
        		20,000,000 25,000,000 14,000,000 9,000,000 16,000,000 23,000,000 15,000,000 11,000,000 13,000,000 12,000,000 14,000,000 11,000,000 14,000,000 18,000,000 11,000,000 13,000,000 14,000,000 8,000,000 6,000,000 10,000,000 12,000,000 10,000,000 13,000,000 16,000,000 17,000,000 17,000,000 10,000,000 7,000,000 14,000,000 14,000,000 15,000,000 8,000,000 11,000,000 20,000,000 28,000,000 18,000,000 29,000,000 26,000,000 16,000,000 22,000,000 24,000,000 25,000,000 23,000,000 20,000,000 19,000,000 13,000,000 25,000,000 22,000,000 23,000,000 18,000,000 16,000,000 27,000,000 26,000,000 9,000,000 15,000,000 27,000,000 24,000,000 7,000,000 22,000,000 28,000,000     
          loss on debt redemption
        		   0    1,000,000 0 0 1,000,000 0 0   5,000,000                                                 
          other
        		1,000,000 -1,000,000 3,000,000 -3,000,000 -3,000,000 6,000,000 1,000,000 1,000,000   5,000,000 -14,000,000 -1,000,000 5,000,000 22,000,000 -8,000,000 -18,000,000 32,000,000 14,000,000 -4,000,000 15,000,000 23,000,000 25,000,000 -2,000,000 1,000,000 3,000,000 11,000,000 14,000,000 11,000,000 1,000,000 49,000,000 1,000,000 -3,000,000 45,000,000 18,000,000 48,000,000 4,000,000 15,000,000 -1,000,000 24,000,000 -1,000,000 44,000,000  64,000,000 19,000,000 18,000,000 30,000,000 -1,000,000 6,000,000 79,000,000 19,000,000 79,000,000 26,000,000 -330,000,000 -14,000,000 -62,000,000 -6,000,000 -62,000,000 -67,000,000 1,000,000 33,000,000 36,000,000 -46,000,000 38,000,000 
          changes in assets and liabilities, excluding effects of acquisitions, divestitures, and foreign currency translation adjustments:
        		                                                                
          increase in receivables
        		-10,000,000 19,000,000 -189,000,000 40,000,000 3,000,000 27,000,000 -127,000,000 47,000,000 -70,000,000 -4,000,000 -137,000,000 85,000,000 -77,000,000 -46,000,000 -123,000,000 45,000,000 -151,000,000 -87,000,000 -144,000,000                                       123,000,000 -113,000,000 -412,000,000 84,000,000 78,000,000 -161,000,000 -275,000,000 
          increase in inventories
        		-14,000,000 -32,000,000 -49,000,000 33,000,000 -30,000,000 -78,000,000 -31,000,000  -49,000,000 -54,000,000 -45,000,000                                               -6,000,000 -236,000,000 -323,000,000 -40,000,000    
          decrease in prepaid expenses and other current assets
        		-17,000,000 -18,000,000 24,000,000  4,000,000 -18,000,000 23,000,000 -12,000,000 -3,000,000 -21,000,000 12,000,000 -11,000,000 4,000,000 -4,000,000 5,000,000 5,000,000 -4,000,000 -13,000,000 23,000,000 -3,000,000 12,000,000   -13,000,000 -1,000,000   2,000,000 -11,000,000 20,000,000 -12,000,000 5,000,000 -24,000,000 10,000,000 20,000,000 -14,000,000    -15,000,000 -26,000,000 13,000,000 25,000,000 8,000,000 5,000,000 63,000,000 34,000,000 48,000,000 -71,000,000 32,000,000 -20,000,000 103,000,000 11,000,000            
          increase in accounts payable, trade
        		-57,000,000 16,000,000 58,000,000   -16,000,000 22,000,000 50,000,000 23,000,000 -13,000,000 -67,000,000 116,000,000 12,000,000 50,000,000 68,000,000 81,000,000 15,000,000 22,000,000 26,000,000    -215,000,000 63,000,000 -90,000,000 -94,000,000 65,000,000 82,000,000 39,000,000 204,000,000 14,000,000        173,000,000 57,000,000 156,000,000 -130,000,000 180,000,000 -36,000,000 3,000,000 223,000,000 -27,000,000 85,000,000 113,000,000 104,000,000 -46,000,000   -35,000,000 -149,000,000          
          decrease in accrued expenses
        		45,000,000 44,000,000 -91,000,000  -25,000,000 70,000,000 -87,000,000   4,000,000 -19,000,000   14,000,000 -54,000,000 -25,000,000 -28,000,000 -1,000,000 -92,000,000                                              
          decrease in taxes, including income taxes
        		                                                                
          pension contributions
        		-15,000,000   -46,000,000 -16,000,000 -15,000,000 -2,000,000 -17,000,000 -7,000,000 -3,000,000 -9,000,000 -9,000,000 -14,000,000 -9,000,000 -11,000,000 -28,000,000 -7,000,000 -32,000,000 -29,000,000 -147,000,000 -8,000,000 -46,000,000 -56,000,000 -51,000,000 -77,000,000 -85,000,000 -55,000,000 -10,000,000 -51,000,000 -60,000,000 -177,000,000 -53,000,000 -94,000,000 -110,000,000 -53,000,000 -80,000,000 -77,000,000 -70,000,000 -55,000,000 -164,000,000 -191,000,000 -91,000,000 -83,000,000 -139,000,000 -213,000,000 -119,000,000 -114,000,000 -72,000,000 -31,000,000 -26,000,000 -33,000,000 -35,000,000 -34,000,000 -38,000,000 -418,000,000 -41,000,000 -50,000,000 -242,000,000 -25,000,000 -77,000,000     
          increase in noncurrent assets
        		-4,000,000 -1,000,000 -1,000,000          -4,000,000 0 -1,000,000  3,000,000 -2,000,000 -2,000,000                                              
          increase in noncurrent liabilities
        		                                      6,000,000 42,000,000 90,000,000 53,000,000  154,000,000 88,000,000 -13,000,000 31,000,000 53,000,000 76,000,000 92,000,000 29,000,000 14,000,000 98,000,000            
          cash from operations
        		531,000,000 446,000,000 253,000,000 480,000,000 244,000,000 397,000,000 177,000,000 458,000,000 191,000,000 229,000,000 23,000,000 455,000,000 65,000,000 158,000,000 55,000,000 303,000,000 67,000,000 85,000,000 -6,000,000 151,000,000 118,000,000 31,000,000 -291,000,000 506,000,000 52,000,000 106,000,000 -258,000,000 426,000,000 51,000,000 176,000,000 -436,000,000 612,000,000 172,000,000 217,000,000 -300,000,000   -430,000,000 1,458,000,000   -551,000,000 -70,000,000 537,000,000 -236,000,000 1,142,000,000 489,000,000   1,124,000,000 184,000,000 328,000,000 -271,000,000 608,000,000 -93,000,000 1,349,000,000 527,000,000 748,000,000 699,000,000 -213,000,000 492,000,000 847,000,000 590,000,000 -30,000,000 
          financing activities
        		                                                                
          additions to debt
        		   0            0    0 0 1,200,000,000 1,200,000,000 100,000,000 74,000,000 76,000,000 150,000,000 150,000,000 150,000,000 150,000,000 150,000,000 152,000,000 152,000,000 152,000,000 360,000,000 437,000,000 437,000,000 439,000,000 -3,000,000 1,750,000,000 510,000,000 621,000,000 625,000,000 5,000,000 730,000,000                    
          repurchases and payments on debt
        		-63,000,000 -76,000,000 -1,000,000 -60,000,000 -782,000,000   -500,000,000 -200,000,000 0 -176,000,000                                                      
          debt issuance costs
        		   0            0 -10,000,000 0 -1,000,000 0 0 -16,000,000 -45,000,000                -1,000,000 -6,000,000    0 -3,000,000 0 -10,000,000   0 0 -4,000,000 -13,000,000 -43,000,000 -7,000,000 -30,000,000 -96,000,000        
          premiums paid on early redemption of debt
        		   0    0 0 0 -1,000,000 0 0   -5,000,000 -111,000,000   0 0       0 0 0 -17,000,000                                  
          repurchases of common stock
        		-200,000,000 -175,000,000 -125,000,000 -190,000,000 -100,000,000 -60,000,000 -150,000,000 -100,000,000                                                         
          proceeds from exercise of employee stock options
        		0 0 1,000,000 1,000,000 1,000,000 1,000,000 5,000,000 1,000,000 1,000,000 3,000,000 6,000,000 2,000,000 4,000,000 3,000,000 7,000,000 5,000,000 2,000,000 7,000,000 8,000,000 3,000,000 0 0 30,000,000 37,000,000 8,000,000 10,000,000 1,000,000 1,000,000 2,000,000 1,000,000 12,000,000 2,000,000 22,000,000 4,000,000 22,000,000 1,000,000   22,000,000 31,000,000 26,000,000 71,000,000  2,000,000 8,000,000 1,000,000 2,000,000 6,000,000 28,000,000                
          dividends paid to shareholders
        		-48,000,000 -41,000,000 -42,000,000 -33,000,000 -34,000,000 -21,000,000 -21,000,000 -21,000,000 -17,000,000 -18,000,000 -17,000,000 -17,000,000 -9,000,000 -9,000,000 -9,000,000 -8,000,000 -10,000,000   -1,000,000 0 -1,000,000 -9,000,000 -9,000,000 -9,000,000 -10,000,000 -29,000,000 -30,000,000 -29,000,000 -30,000,000 -30,000,000 -30,000,000 -44,000,000 -43,000,000 -45,000,000 -57,000,000 -57,000,000 -57,000,000 -56,000,000 -36,000,000 -36,000,000 -33,000,000 -33,000,000 -33,000,000 -33,000,000 -33,000,000 -33,000,000 -32,000,000 -33,000,000 -30,000,000 -30,000,000 -31,000,000 -137,000,000 -136,000,000 -140,000,000 -149,000,000 -148,000,000 -130,000,000 -131,000,000 -131,000,000 -130,000,000 -131,000,000 -134,000,000 -127,000,000 
          taxes paid for net share settlement of equity awards
        		-1,000,000   -1,000,000 -16,000,000 -20,000,000 -12,000,000 0 -2,000,000                                                        
          cash from financing activities
        		-314,000,000 -339,000,000 -167,000,000 -284,000,000 -441,000,000 -123,000,000 -178,000,000 -222,000,000 -243,000,000 -189,000,000 -214,000,000 -89,000,000 -106,000,000 -137,000,000 -194,000,000 -270,000,000 -106,000,000   -30,000,000 -62,000,000 -1,422,000,000 1,145,000,000 -424,000,000 -202,000,000 -201,000,000 -741,000,000 -40,000,000 -32,000,000 -35,000,000 -542,000,000 -45,000,000 -15,000,000 -860,000,000 -43,000,000 -143,000,000 -100,000,000 -107,000,000 -181,000,000 2,140,000,000 281,000,000 10,000,000 47,000,000 -198,000,000 394,000,000 49,000,000 -27,000,000 -85,000,000 125,000,000 -210,000,000 -254,000,000 -2,000,000 503,000,000 377,000,000 1,004,000,000 272,000,000 210,000,000 73,000,000 -30,000,000 570,000,000 -182,000,000 -510,000,000 -748,000,000 186,000,000 
          investing activities
        		                                                                
          capital expenditures
        		-108,000,000 -102,000,000 -119,000,000 -102,000,000 -82,000,000 -55,000,000 -82,000,000 -55,000,000 -59,000,000 -41,000,000 -64,000,000 -45,000,000 -42,000,000 -44,000,000 -62,000,000 -61,000,000 -47,000,000 -36,000,000 -55,000,000 -47,000,000 -119,000,000 -32,000,000 -69,000,000 -171,000,000 -111,000,000 -136,000,000 -168,000,000 -271,000,000 -209,000,000 -171,000,000 -117,000,000 -236,000,000 -131,000,000 -126,000,000 -103,000,000 -286,000,000 -277,000,000 -251,000,000 -469,000,000 -283,000,000 -258,000,000 -209,000,000 -235,000,000 -291,000,000 -270,000,000 -486,000,000 -325,000,000 -272,000,000 -204,000,000 -363,000,000 -370,000,000 -416,000,000 -468,000,000 -992,000,000 -877,000,000 -891,000,000 -783,000,000 -733,000,000 -729,000,000 -592,000,000 -542,000,000 -254,000,000 -233,000,000 -180,000,000 
          proceeds from the sale of assets and businesses
        		1,000,000 3,000,000 5,000,000 0 1,000,000 1,000,000 7,000,000 1,000,000    16,000,000 0 41,000,000 1,000,000 24,000,000 0   0 0 0 114,000,000 76,000,000 15,000,000 8,000,000 4,000,000 302,000,000 2,000,000   0 0 1,000,000 -10,000,000 134,000,000 327,000,000 222,000,000 247,000,000 5,000,000   2,000,000 2,000,000 11,000,000 44,000,000 -7,000,000   8,000,000 5,000,000 -194,000,000 116,000,000 26,000,000 48,000,000          
          additions to investments
        		                               0 -1,000,000   -15,000,000 -1,000,000 -7,000,000 -58,000,000 -31,000,000 -44,000,000 -62,000,000 -121,000,000 -83,000,000 -104,000,000 -158,000,000 -17,000,000 -81,000,000 -118,000,000 -155,000,000 -30,000,000 33,000,000 -29,000,000 -27,000,000 -39,000,000 -30,000,000 -26,000,000 -8,000,000 -11,000,000 -33,000,000  -4,000,000 -43,000,000 -3,000,000 
          sale of investments
        		                                                         0   4,000,000    
          cash from investing activities
        		-104,000,000 -97,000,000 -115,000,000 -107,000,000 -80,000,000 -54,000,000 -75,000,000  -58,000,000 -41,000,000 -64,000,000     -37,000,000 50,000,000 91,000,000 3,000,000 119,000,000 25,000,000 33,000,000 94,000,000 295,000,000 117,000,000 129,000,000 42,000,000 354,000,000 65,000,000 117,000,000 29,000,000 -236,000,000 -128,000,000 -125,000,000 1,029,000,000 -231,000,000 311,000,000 -1,000,000 -2,653,000,000 -281,000,000 -286,000,000 -240,000,000 -285,000,000 -354,000,000 -350,000,000 -583,000,000 -367,000,000 -350,000,000 -552,000,000 -500,000,000 276,000,000 -633,000,000 136,000,000 -1,023,000,000 -857,000,000 -886,000,000 -828,000,000 -720,000,000 -685,000,000 -667,000,000 -244,000,000 -242,000,000 32,000,000 -138,000,000 
          effect of exchange rate changes on cash, cash equivalents and restricted cash
        		  1,000,000 1,000,000 0      1,000,000 1,000,000 -2,000,000      -1,000,000  2,000,000 0 -8,000,000  -3,000,000 0 1,000,000 0 -2,000,000 -6,000,000 4,000,000                                  
          net change in cash, cash equivalents and restricted cash
        		114,000,000 9,000,000 -28,000,000 90,000,000 -277,000,000 218,000,000 -76,000,000 185,000,000 -111,000,000 -2,000,000 -254,000,000 338,000,000 -84,000,000 16,000,000 -200,000,000 -4,000,000 10,000,000 -523,000,000 -372,000,000 243,000,000 83,000,000 -1,358,000,000 940,000,000 379,000,000 -36,000,000 34,000,000 -956,000,000 740,000,000 82,000,000 252,000,000 -945,000,000                                  
          cash, cash equivalents and restricted cash at beginning of period
        		0 0 565,000,000  0 0 610,000,000  0 0 792,000,000  0 0 722,000,000  0 0 1,611,000,000  0                                            
          cash, cash equivalents and restricted cash at end of period
        		114,000,000 9,000,000 537,000,000  -277,000,000 218,000,000 534,000,000  -111,000,000 -2,000,000 538,000,000  -84,000,000 16,000,000 522,000,000  10,000,000 -523,000,000 1,239,000,000  83,000,000 -1,358,000,000 2,643,000,000  -36,000,000 34,000,000 1,326,000,000  82,000,000 252,000,000 1,208,000,000                                  
          increase in taxes, including income taxes
        		 -80,000,000 60,000,000  -18,000,000 -2,000,000 15,000,000  -14,000,000 15,000,000 16,000,000   -5,000,000 6,000,000 -26,000,000 -39,000,000 12,000,000 12,000,000  -55,000,000 6,000,000 90,000,000 -94,000,000 51,000,000 -6,000,000 47,000,000 41,000,000 26,000,000 29,000,000 8,000,000 -167,000,000 23,000,000 10,000,000 111,000,000 6,000,000 -7,000,000 64,000,000 58,000,000 1,000,000 68,000,000 -120,000,000 61,000,000 -50,000,000 41,000,000 1,000,000 38,000,000 -55,000,000 134,000,000 371,000,000 -36,000,000              
          decrease in noncurrent liabilities
        		 2,000,000 -18,000,000 -8,000,000 -8,000,000 -3,000,000 -9,000,000 -7,000,000 -8,000,000 -7,000,000 -12,000,000 -16,000,000 -11,000,000 -16,000,000 -17,000,000 9,000,000 -8,000,000 -10,000,000 -14,000,000                        92,000,000                      
          restructuring and other charges
        		   0 -1,000,000   15,000,000 4,000,000 3,000,000 1,000,000 44,000,000 4,000,000 6,000,000 2,000,000 68,000,000 8,000,000 5,000,000 9,000,000 16,000,000 22,000,000 105,000,000 21,000,000 -10,000,000 119,000,000 499,000,000 12,000,000 -11,000,000 -2,000,000 15,000,000 7,000,000 47,000,000 19,000,000 26,000,000 73,000,000 18,000,000 23,000,000 93,000,000 388,000,000 209,000,000 110,000,000 461,000,000 7,000,000 15,000,000 10,000,000 232,000,000 9,000,000 34,000,000 6,000,000 69,000,000 17,000,000 82,000,000 69,000,000 856,000,000 43,000,000 -57,000,000 26,000,000 -3,000,000 -9,000,000 1,000,000     
          increase in prepaid expenses and other current assets
        		                                                         -71,000,000 -44,000,000 -86,000,000 -2,000,000    
          increase in accrued expenses
        		       55,000,000    5,000,000                                                     
          decrease in noncurrent assets
        		     -5,000,000 -2,000,000   -1,000,000 2,000,000                -1,000,000    1,000,000        -42,000,000              30,000,000            
          net change in short-term borrowings
        		           -1,000,000 0 -1,000,000 -3,000,000   1,000,000 -2,000,000 -7,000,000 -6,000,000 -4,000,000 2,000,000    1,000,000 -10,000,000 -2,000,000 0 5,000,000 -17,000,000 6,000,000 1,000,000 8,000,000 -1,000,000 -7,000,000 2,000,000   81,000,000 -4,000,000  54,000,000 -10,000,000 5,000,000 -8,000,000 -157,000,000 129,000,000 -167,000,000 -314,000,000 -20,000,000 209,000,000 -20,000,000 -106,000,000 29,000,000 38,000,000        
          acquisitions, net of cash acquired
        		                                             0 0 -1,000,000 -239,000,000 0 97,000,000 -3,000,000 18,000,000 0 0   0   0   -6,000,000 
          cash, cash equivalents and restricted cash at beginning of year
        		                      1,703,000,000 0   2,282,000,000 0 0 0 2,153,000,000                                  
          cash, cash equivalents and restricted cash at end of year
        		                                                                
          decrease in accounts payable, trade
        		                                                                
          decrease in inventories
        		           37,000,000 -80,000,000 -104,000,000 -87,000,000 11,000,000 30,000,000 -1,000,000 20,000,000                               205,000,000 111,000,000 419,000,000 523,000,000 242,000,000 -259,000,000 181,000,000 49,000,000        
          proceeds from the sale of securities
        		                                                                
          cash receipts from sold receivables
        		               0 95,000,000 115,000,000 57,000,000 164,000,000 144,000,000 66,000,000 48,000,000 365,000,000 213,000,000 257,000,000 160,000,000 323,000,000 273,000,000 284,000,000 136,000,000                                  
          cash (used for) provided from investing activities
        		           -29,000,000 -41,000,000 -4,000,000 -61,000,000                                                  
          repurchase of common stock
        		         -100,000,000 -25,000,000 -65,000,000 -100,000,000 -60,000,000 -175,000,000 -205,000,000 -25,000,000   -22,000,000    -50,000,000 -200,000,000 -200,000,000 -700,000,000                           0 -477,000,000 -165,000,000 -88,000,000 -80,000,000 -150,000,000 -60,000,000  0   
          net cash transferred to arconic corporation at separation
        		                   0 0                                            
          sales of debt securities
        		                                                                
          payments on debt
        		            0   -47,000,000 -653,000,000 -477,000,000 -361,000,000 -2,000,000 0   -503,000,000 -77,000,000 -75,000,000 -151,000,000 -151,000,000 -151,000,000 -150,000,000 -651,000,000 -150,000,000 -151,000,000 -973,000,000 -360,000,000 -442,000,000 -441,000,000 -441,000,000 -6,000,000 -568,000,000 -518,000,000 -631,000,000 -639,000,000 -245,000,000 -414,000,000                    
          sale of debt securities
        		                0                                                
          net income from investing activities—asset sales
        		              3,000,000 2,000,000 3,000,000 1,000,000 3,000,000  2,000,000 2,000,000 2,000,000  2,000,000                                        
          net periodic pension benefit cost
        		                 5,000,000 4,000,000 9,000,000 8,000,000 8,000,000 26,000,000 28,000,000 29,000,000 29,000,000 29,000,000 30,000,000 29,000,000 30,000,000 41,000,000 54,000,000 55,000,000 54,000,000 54,000,000 78,000,000 85,000,000 83,000,000                           
          sales of investments
        		                       26,000,000 0 0 47,000,000 0 0 0 9,000,000 0 2,000,000 0 888,000,000 5,000,000 256,000,000 19,000,000 8,000,000 15,000,000 4,000,000 30,000,000  0 11,000,000 49,000,000 0 0 5,000,000 5,000,000 520,000,000 0 506,000,000 0 67,000,000          
          effect of exchange rates on cash, cash equivalents and restricted cash
        		                                                                
          cash (used for) provided from financing activities
        		                  -368,000,000                                              
          net income from investing activities - asset sales
        		                          2,000,000                                      
          (increase) in receivables
        		                   -121,000,000 -47,000,000 140,000,000 -210,000,000 -20,000,000 -214,000,000 -254,000,000 -489,000,000      4,000,000 17,000,000 -299,000,000 -8,000,000 -79,000,000 -139,000,000  -440,000,000 30,000,000 -255,000,000   -139,000,000  20,000,000 -31,000,000 -404,000,000       51,000,000 -139,000,000        
          (decrease) in accrued expenses
        		                   -40,000,000 -4,000,000 0 -173,000,000 48,000,000 -44,000,000 23,000,000 -69,000,000 -94,000,000 -12,000,000 34,000,000 -118,000,000 22,000,000 -33,000,000 7,000,000 -112,000,000 -116,000,000 42,000,000 -343,000,000 5,000,000 -107,000,000 32,000,000 -381,000,000 -372,000,000 161,000,000 -236,000,000 157,000,000 -48,000,000 120,000,000 -267,000,000 329,000,000 -150,000,000 23,000,000 -303,000,000 81,000,000 -150,000,000          
          (decrease) in noncurrent liabilities
        		                   4,000,000 -2,000,000 2,000,000 -39,000,000 -9,000,000 -27,000,000 11,000,000 -20,000,000 58,000,000 -40,000,000 -16,000,000 -26,000,000 -131,000,000 -23,000,000 -14,000,000 -25,000,000 -33,000,000 -62,000,000 -53,000,000                           
          (increase) in inventories
        		                    94,000,000 0 -136,000,000 89,000,000 25,000,000 1,000,000 -118,000,000 110,000,000 36,000,000 -79,000,000 -141,000,000   -65,000,000 -85,000,000  55,000,000 -58,000,000  -28,000,000 -155,000,000 -302,000,000 -182,000,000 -35,000,000 -153,000,000  -87,000,000 -164,000,000 -355,000,000                
          (increase) in noncurrent assets
        		                    1,000,000   5,000,000 -7,000,000   13,000,000 -29,000,000   -4,000,000 23,000,000 -26,000,000 -34,000,000   -13,000,000     -26,000,000  -39,000,000 -58,000,000 10,000,000 -45,000,000 -61,000,000 20,000,000 -90,000,000              
          (decrease) in accounts payable, trade
        		                                -25,000,000 53,000,000 -122,000,000 47,000,000 29,000,000 -272,000,000               -474,000,000            
          (increase) in prepaid expenses and other current assets
        		                      -2,000,000    -14,000,000           -3,000,000                -24,000,000 53,000,000 -46,000,000 -60,000,000        
          impairment of goodwill
        		                                                                
          net gain from investing activities - asset sales
        		                           3,000,000 2,000,000 2,000,000 3,000,000  1,000,000                                
          distributions to noncontrolling interests
        		                               0 0 0 -14,000,000 -92,000,000 -34,000,000 -50,000,000 -45,000,000 -20,000,000 -20,000,000 -35,000,000 -25,000,000 -44,000,000 -26,000,000 -4,000,000 -66,000,000 -90,000,000 -97,000,000                
          equity income, net of dividends
        		                                   12,000,000 16,000,000 4,000,000 16,000,000 20,000,000 33,000,000 35,000,000  -1,000,000 -8,000,000  -1,000,000 -23,000,000 -4,000,000     18,000,000 -20,000,000 -37,000,000 -35,000,000   -9,000,000  -29,000,000 41,000,000 -61,000,000 
          contributions from noncontrolling interests
        		                                      9,000,000 0 24,000,000 20,000,000 15,000,000 20,000,000 90,000,000 33,000,000 8,000,000 7,000,000 121,000,000 153,000,000 74,000,000 94,000,000 159,000,000            
          net cash transferred from alcoa corporation at separation
        		                                                                
          depreciation, depletion and amortization
        		                               141,000,000 140,000,000 137,000,000 133,000,000                             287,000,000 
          net gain from investing activities—asset sales
        		                                                                
          excess tax benefits from stock-based payment arrangements
        		                                      -2,000,000 -5,000,000 -1,000,000 -1,000,000  0 -1,000,000 0 0 -1,000,000 -5,000,000     0 0 -41,000,000 5,000,000        
          decrease in receivables
        		                                                 213,000,000 35,000,000 126,000,000 302,000,000 363,000,000           
          net change in restricted cash
        		                               1,000,000 1,000,000 -4,000,000 14,000,000 -79,000,000 3,000,000 4,000,000   10,000,000 -7,000,000 59,000,000                      
          effect of exchange rate changes on cash and cash equivalents
        		                               4,000,000 1,000,000 0 4,000,000 2,000,000 2,000,000 3,000,000 -19,000,000 -19,000,000 5,000,000 9,000,000 2,000,000 -22,000,000 2,000,000 -1,000,000 -23,000,000 10,000,000 7,000,000 1,000,000 9,000,000 27,000,000 1,000,000 -31,000,000 -38,000,000 13,000,000 5,000,000 8,000,000       
          net change in cash and cash equivalents
        		                               335,000,000 30,000,000 -768,000,000 690,000,000 -66,000,000 545,000,000 -535,000,000 -1,395,000,000 2,089,000,000 518,000,000 -772,000,000 -306,000,000 -37,000,000 -190,000,000 607,000,000 72,000,000 373,000,000 -656,000,000 415,000,000 215,000,000 -280,000,000 369,000,000 -69,000,000 16,000,000 748,000,000 -86,000,000 109,000,000 -6,000,000 -303,000,000  95,000,000 -136,000,000 26,000,000 
          cash and cash equivalents at beginning of year
        		                               0 0 0 1,863,000,000 0 0 1,919,000,000 0 0 0 1,437,000,000 1,861,000,000 0 1,939,000,000 0 0 0 1,543,000,000 0 0 0 762,000,000 0 0 0 506,000,000 0 0 762,000,000 0 0 232,000,000 344,000,000 
          cash and cash equivalents at end of year
        		                                                                
          cash and cash equivalents at end of period
        		                                30,000,000 -768,000,000 2,553,000,000 -66,000,000 545,000,000 1,384,000,000  2,089,000,000 518,000,000 665,000,000 1,555,000,000 -37,000,000 1,749,000,000  72,000,000 373,000,000 887,000,000  215,000,000 -280,000,000 1,131,000,000  16,000,000 748,000,000 420,000,000 109,000,000 -6,000,000 459,000,000 75,000,000 95,000,000 96,000,000 370,000,000 
          net
        		                                  -349,000,000        -5,000,000                      
          depreciation, depletion, and amortization
        		                                   316,000,000 313,000,000 309,000,000 336,000,000 346,000,000 350,000,000 340,000,000 361,000,000 364,000,000 369,000,000 368,000,000 377,000,000 375,000,000 361,000,000 369,000,000 342,000,000 317,000,000 283,000,000 277,000,000 317,000,000 317,000,000 304,000,000 321,000,000 325,000,000 309,000,000 313,000,000 300,000,000   
          net gain from investing activities – asset sales
        		                                   -124,000,000    -15,000,000 -2,000,000 -27,000,000       1,000,000                
          cash (used for) provided from operations
        		                                                -236,000,000                
          net income from investing activities – asset sales
        		                                     2,000,000      -1,000,000 2,000,000                    
          cash from continuing operations
        		                                           539,000,000 -236,000,000 1,146,000,000 489,000,000   1,129,000,000 183,000,000 331,000,000 -264,000,000 474,000,000 -92,000,000 1,349,000,000 528,000,000 746,000,000 701,000,000 -213,000,000 471,000,000 847,000,000   
          cash from discontinued operations
        		                                                  1,000,000   134,000,000  0 -1,000,000       1,000,000 
          net change in commercial paper
        		                                       -124,000,000   104,000,000 43,000,000 51,000,000 117,000,000    0 -100,000,000 -233,000,000 -1,202,000,000 328,000,000 8,000,000 166,000,000 -1,200,000,000 295,000,000 226,000,000 760,000,000 57,000,000 -350,000,000 728,000,000 352,000,000 
          issuance of mandatory convertible preferred stock
        		                                      -2,000,000                          
          acquisitions of noncontrolling interests
        		                                      0                          
          equity loss (income), net of dividends
        		                                          13,000,000       35,000,000 -12,000,000 -11,000,000 27,000,000            
          (increase) in net assets held for sale
        		                                           0 -2,000,000           -7,000,000 -4,000,000        
          income from discontinued operations
        		                                             -2,000,000 0 4,000,000 1,000,000 11,000,000 -4,000,000     1,000,000 11,000,000 -1,000,000 8,000,000 7,000,000  16,000,000 -2,000,000 -3,000,000 
          equity (income) loss, net of dividends
        		                                                         -23,000,000       
          cash (used for) provided from discontinued operations
        		                                             -4,000,000 0 -5,000,000 -1,000,000    -7,000,000        21,000,000    
          additions to long-term debt
        		                                             2,000,000 0 1,249,000,000 5,000,000 6,000,000 138,000,000 216,000,000 689,000,000 148,000,000 1,673,000,000 11,000,000 2,024,000,000 12,000,000 2,000,000 6,000,000 72,000,000 50,000,000 -13,000,000 101,000,000 
          payments on long-term debt
        		                                             -72,000,000 -27,000,000 -1,062,000,000 -33,000,000 -125,000,000 -8,000,000 -22,000,000 -1,000,000 -12,000,000 -2,000,000 -34,000,000 -353,000,000 -5,000,000 -22,000,000 -5,000,000 -202,000,000 -43,000,000 -1,285,000,000 -94,000,000 
          issuance of common stock
        		                                                 0 0 0 876,000,000            
          capital expenditures of discontinued operations
        		                                                 0 0 -2,000,000 -3,000,000           -1,000,000 
          cash (used for) provided from continuing operations
        		                                                -235,000,000               -31,000,000 
          benefit from doubtful accounts
        		                                                 3,000,000 4,000,000 -2,000,000 11,000,000 23,000,000 4,000,000 -2,000,000 3,000,000 5,000,000 8,000,000 3,000,000 4,000,000 6,000,000   
          cash received on long-term aluminum supply contract
        		                                                       0 93,000,000        
          decrease in net assets held for sale
        		                                                 16,000,000 -3,000,000 13,000,000 1,000,000 12,000,000 -12,000,000          
          dividends paid to noncontrolling interests
        		                                                 -47,000,000 -14,000,000 -2,000,000 -77,000,000            
          gains from investing activities – asset sales
        		                                                  -87,000,000    -21,000,000          
          net change in short-term investments and restricted cash
        		                                                  58,000,000    1,000,000 -3,000,000 6,000,000        
          adjustments to reconcile net income attributable to alcoa to cash from operations:
        		                                                                
          loss
        		                                                    17,000,000        -12,000,000    
          (decrease) in taxes, including taxes on income
        		                                                    -339,000,000            
          gains from investing activities—asset sales
        		                                                                
          minority interests
        		                                                     0 84,000,000 110,000,000 115,000,000 109,000,000 124,000,000 105,000,000 59,000,000 71,000,000 64,000,000 59,000,000 
          increase in taxes, including taxes on income
        		                                                     24,000,000 -48,000,000 -3,000,000 -102,000,000 173,000,000 72,000,000 -43,000,000 -53,000,000    
          net change in other noncurrent assets and liabilities
        		                                                                
          common stock issued for stock compensation plans
        		                                                     0 1,000,000 346,000,000 82,000,000 5,000,000 90,000,000 46,000,000 10,000,000 11,000,000 54,000,000 4,000,000 
          dividends paid to minority interests
        		                                                     -102,000,000 -76,000,000 -46,000,000 -158,000,000 -81,000,000 -85,000,000 -115,000,000 -2,000,000 -36,000,000 -34,000,000 -45,000,000 
          contributions from minority interests
        		                                                     214,000,000 130,000,000 103,000,000 114,000,000        
          acquisitions of minority interests
        		                                                     0 -47,000,000          
          goodwill impairment charge
        		                                                                
          net change in noncurrent assets and liabilities
        		                                                      152,000,000 -44,000,000 -1,000,000   -26,000,000 48,000,000 -108,000,000 -15,000,000 -88,000,000 
          gains from investing activities – sales of assets
        		                                                                
          (decrease) in accounts payable and accrued expenses
        		                                                       242,000,000 -367,000,000        
          gains from investing activities – sale of assets
        		                                                        -1,000,000 -3,000,000       
          changes in assets and liabilities, excluding effects of acquisitions, divestitures and foreign currency translation adjustments:
        		                                                                
          excess tax benefits from share-based payment arrangements
        		                                                         -1,000,000       
          changes in assets and liabilities, excluding effects of acquisitions and divestitures:
        		                                                                
          increase in accounts payable and accrued expenses
        		                                                         -30,000,000 -79,000,000 -295,000,000 203,000,000    
          cash paid on long-term aluminum supply contract
        		                                                            0    
          net changes to short-term borrowings
        		                                                         32,000,000 -15,000,000 69,000,000 13,000,000 -11,000,000 4,000,000 -5,000,000 
          acquisition of minority interests
        		                                                         0 0 -1,000,000     
          proceeds from the sale of assets
        		                                                             0 341,000,000 14,000,000 
          change in short-term investments and restricted cash
        		                                                         18,000,000 38,000,000 -59,000,000 211,000,000    
          effect of exchange rate changes on cash
        		                                                           7,000,000  0 -10,000,000 8,000,000 
          change in deferred income taxes
        		                                                            -14,000,000 -19,000,000 -65,000,000 6,000,000 
          equity loss
        		                                                                
          noncash restructuring and other charges
        		                                                            6,000,000 4,000,000   
          net gain on early retirement of debt and interest rate swaps
        		                                                                
          gains from investing activities - sale of assets
        		                                                            -67,000,000 1,000,000   
          cash paid on early retirement of debt and interest rate swap settlements
        		                                                             0   
          net change in net assets held for sale
        		                                                             42,000,000   
          acquisition of afl minority interest
        		                                                            0    
          net gain on early retirement of debt and interest rate swap settlements
        		                                                             0   
          accounting change
        		                                                                
          (increase) reduction in inventories
        		                                                             -124,000,000 -245,000,000 -89,000,000 
          (increase) reduction in prepaid expenses and other current assets
        		                                                             -12,000,000   
          increase (reduction) in accounts payable and accrued expenses
        		                                                             226,000,000   
          increase (reduction) in taxes, including taxes on income
        		                                                             76,000,000   
          changes in short-term investments
        		                                                             15,000,000 -39,000,000 44,000,000 
          noncash special items
        		                                                               -4,000,000 
          losses from investing activities – sale of assets
        		                                                               1,000,000 
          accounting changes
        		                                                               47,000,000 
          reduction in prepaid expenses and other current assets
        		                                                                
          reduction in accounts payable and accrued expenses
        		                                                               -46,000,000 
          reduction in taxes, including taxes on income
        		                                                               -18,000,000 
          (increase) reduction in net assets held for sale
        		                                                               -36,000,000 
          changes in minority interests