7Baggers

M&T Bank Corporation
(NYSE:MTB) 

MTB stock logo

M&T Bank Corporation operates as a bank holding company that provides commercial and retail banking services. The company's Business Banking segment offers deposit, lending, cash management, and other financial services to small businesses and professionals. Its Commercial Banking segment provides d...

Founded: 1856
Full Time Employees: 16,980
Sector: Financial Services
Industry: Banks-Regional

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Quarterly
Annual
    Unit: USD2026-03-31 2025-12-31 2025-09-30 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 2022-09-30 2022-06-30 2022-03-31 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 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 
                                                        
      interest income
                               766,318,000 1,060,832,000 1,024,471,000 979,969,000 694,085,000 953,662,000 924,640,000 898,038,000 650,552,000 871,345,000 867,478,000 495,476,000 672,092,000 662,633,000 647,179,000 484,382,750 647,280,000 645,029,000 645,222,000 683,482,000 705,395,000 682,455,000 502,632,250 687,466,000 674,549,000 
      loans
    1,994,000,000 2,074,000,000 2,104,000,000 2,054,000,000                                                 
      investment securities
    393,000,000 382,000,000 377,000,000 334,000,000                                                 
      deposits at banks
    149,000,000 181,000,000 198,000,000 219,000,000 218,000,000 285,000,000 348,000,000 400,000,000 419,000,000 416,314,000 362,840,000 302,429,000 278,417,000 172,956,000 80,773,000 18,280,000 14,923,000 8,710,000 6,874,000 5,648,000 4,163,000 4,179,000 18,966,000 37,277,000 40,388,000 36,325,000 27,407,000                          
      total interest income
    2,536,000,000 2,637,000,000 2,680,000,000 2,609,000,000 2,560,000,000 2,707,000,000 2,785,000,000 2,789,000,000 2,745,000,000 2,739,991,000 2,641,399,000 2,515,625,000 2,326,985,000 1,781,513,000 1,465,142,000 928,256,000 992,946,000 970,358,000 1,016,962,000 1,038,890,000 1,001,161,000 1,032,242,000 1,120,419,000 1,185,902,000 1,229,469,000 1,237,913,000 1,226,309,000                          
      interest expense
                               36,355,250 56,156,000 48,738,000 40,527,000 23,472,750 37,714,000 30,543,000 25,634,000 298,000 378,000 400,000 255,000 360,000 349,000 311,000 255,250 394,000 330,000 297,000 333,000 321,000 322,000 258,500 327,000 424,000 
      savings and interest-checking deposits
    483,000,000 551,000,000 589,000,000 579,000,000 552,000,000 626,000,000 655,000,000 618,000,000 615,000,000 606,351,000 494,219,000 368,362,000 277,068,000 68,690,000 27,907,000 6,747,000 7,000,000 8,052,000 11,504,000 19,842,000 22,403,000 26,454,000 78,002,000 95,584,000 104,724,000 91,557,000 76,138,000                          
      time deposits
    97,000,000 109,000,000 119,000,000 123,000,000 124,000,000 159,000,000 180,000,000 217,000,000 225,000,000 229,925,000 201,541,000 150,337,000 89,197,000 1,124,000 1,227,000 1,397,000 3,573,000 5,084,000 7,010,000 10,006,000 14,519,000 19,883,000 21,872,000 23,958,000 25,456,000 24,931,000 21,081,000                          
      short-term borrowings
    54,000,000 23,000,000 32,000,000 37,000,000 32,000,000 32,000,000 57,000,000 69,000,000 84,000,000 68,747,000 69,481,000 95,996,000 57,776,000 2,670,000 3,419,000 1,000 2,000 1,000 2,000 2,000 1,000 2,000 23,000 3,168,000 6,967,000 7,893,000 6,713,000                          
      long-term borrowings
    150,000,000 175,000,000 179,000,000 157,000,000 157,000,000 162,000,000 167,000,000 167,000,000 141,000,000 112,749,000 100,770,000 101,801,000 84,680,000 30,338,000 20,872,000 15,937,000 15,121,000 14,865,000 16,866,000 19,527,000 20,902,000 28,605,000 40,298,000 49,437,000 56,214,000 66,012,000 67,579,000                          
      total interest expense
    784,000,000 858,000,000 919,000,000 896,000,000 865,000,000 979,000,000 1,059,000,000 1,071,000,000 1,065,000,000 1,017,772,000 866,011,000 716,496,000 508,721,000 102,822,000 53,425,000 24,082,000 25,696,000 28,018,000 35,567,000 49,610,000 58,066,000 75,105,000 143,614,000 177,069,000 199,579,000 196,432,000 176,249,000                          
      net interest income
    1,752,000,000 1,779,000,000 1,761,000,000 1,713,000,000 1,695,000,000 1,728,000,000 1,726,000,000 1,718,000,000 1,680,000,000 1,722,219,000 1,775,388,000 1,799,129,000 1,818,264,000 1,678,691,000 1,411,717,000 904,174,000 967,250,000 942,340,000 981,395,000 989,280,000 943,095,000 957,137,000 976,805,000 1,008,833,000 1,029,890,000 1,041,481,000 1,050,060,000                          
      provision for credit losses
    140,000,000 125,000,000 125,000,000 125,000,000 130,000,000 140,000,000 120,000,000 150,000,000       302,000,000                                      
      net interest income after provision for credit losses
    1,612,000,000 1,654,000,000 1,636,000,000 1,588,000,000 1,565,000,000 1,588,000,000 1,606,000,000 1,568,000,000       1,109,717,000                                      
      other income
                               67,053,250 88,408,000 92,499,000 87,306,000 66,898,000 96,737,000 86,163,000 84,692,000 68,798,250 103,747,000 89,383,000 72,059,500 84,035,000 102,602,000 101,601,000 67,309,250 93,532,000 95,656,000 80,049,000 64,731,000 91,262,000 93,103,000 58,129,500 106,812,000 69,514,000 
      mortgage banking revenues
    127,000,000 155,000,000 147,000,000 130,000,000 118,000,000 117,000,000 109,000,000 106,000,000 104,000,000 112,425,000 104,478,000 107,112,000 84,985,000 83,041,000 82,926,000 109,148,000 159,995,000 133,313,000 138,754,000 140,441,000 153,267,000 145,024,000 127,909,000 118,134,000 137,004,000 107,321,000 95,311,000                          
      service charges on deposit accounts
    139,000,000 140,000,000 141,000,000 137,000,000 133,000,000 131,000,000 132,000,000 127,000,000 124,000,000 121,397,000 121,360,000 118,697,000 113,546,000 115,213,000 124,170,000 101,507,000 105,426,000 98,518,000 92,777,000 95,817,000 91,355,000 77,455,000 106,161,000 110,987,000 111,092,000 107,787,000 103,112,000                          
      trust income
    183,000,000 184,000,000 181,000,000 182,000,000 177,000,000 175,000,000 170,000,000 170,000,000 160,000,000 158,643,000 155,092,000 172,463,000 193,802,000 186,577,000 190,084,000 169,213,000 156,876,000 162,991,000 156,022,000 151,314,000 149,937,000 151,882,000 148,751,000 151,525,000 143,915,000 144,382,000 132,786,000                          
      brokerage services income
    35,000,000 34,000,000 34,000,000 31,000,000 32,000,000 30,000,000 32,000,000 30,000,000 29,000,000 25,845,000 26,988,000 25,126,000 24,041,000 21,086,000 24,138,000 20,190,000 20,490,000 10,265,000 13,113,000 12,234,000 11,602,000 10,463,000 13,129,000 11,891,000 12,077,000 12,478,000 12,476,000                          
      trading account and other non-hedging derivative gains
    14,000,000 19,000,000 18,000,000 12,000,000 9,000,000 10,000,000 13,000,000 7,000,000 9,000,000 11,192,000 9,379,000 16,754,000 11,675,000                                        
      gain on bank investment securities
    4,000,000 1,000,000 1,000,000   18,000,000 -2,000,000 -8,000,000 2,000,000 3,647,000 -235,000 1,004,000 -416,000    291,000 -10,655,000  1,619,000 2,773,000 6,969,000 -20,782,000 -6,452,000 3,737,000 8,911,000 11,841,000                          
      other revenues from operations
    187,000,000 163,000,000 230,000,000 191,000,000 142,000,000 176,000,000 152,000,000 152,000,000 152,000,000 144,966,000 142,519,000 362,015,000 159,500,000 153,189,000 147,551,000 136,203,000 120,485,000 112,699,000 110,930,000 142,621,000 107,601,000 87,190,000 133,176,000 118,238,000 103,882,000 112,763,000 134,437,000                          
      total other income
    689,000,000 696,000,000 752,000,000 683,000,000 611,000,000 657,000,000 606,000,000 584,000,000 580,000,000 578,115,000 559,581,000 803,171,000 587,133,000 563,079,000 571,100,000 540,887,000 569,126,000 513,633,000 505,598,000 551,250,000 520,561,000 487,273,000 529,360,000 521,040,000 527,779,000 512,095,000 500,765,000                          
      other expense
                                                       323,686,000 
      salaries and employee benefits
    914,000,000 809,000,000 833,000,000 813,000,000 887,000,000 790,000,000 775,000,000 764,000,000 833,000,000 724,453,000 726,940,000 737,665,000 807,942,000 736,354,000 776,201,000 577,520,000 510,422,000 479,134,000 541,078,000 476,110,000 478,897,000 458,842,000 536,843,000 469,080,000 476,780,000 455,737,000 499,200,000                          
      equipment and net occupancy
    133,000,000 134,000,000 129,000,000 130,000,000 132,000,000 133,000,000 125,000,000 125,000,000 129,000,000 133,565,000 130,842,000 128,689,000 126,904,000 127,117,000 124,655,000 85,812,000 80,738,000 80,848,000 82,471,000 84,228,000 81,080,000 77,089,000 79,640,000 82,892,000 82,690,000 79,150,000 79,347,000                          
      outside data processing and software
    144,000,000 146,000,000 138,000,000 138,000,000 136,000,000 125,000,000 123,000,000 124,000,000 120,000,000 114,091,000 110,691,000 106,438,000 105,780,000 95,068,000 93,820,000 79,719,000 72,782,000 74,492,000 65,751,000 68,034,000 64,660,000 61,376,000 64,410,000 61,720,000 60,360,000 55,234,000 52,417,000                          
      professional and other services
    93,000,000 105,000,000 81,000,000 86,000,000 84,000,000 80,000,000 88,000,000 91,000,000 85,000,000                                            
      fdic assessments
    23,000,000 -8,000,000 13,000,000 22,000,000 23,000,000 24,000,000 25,000,000 37,000,000 60,000,000 227,946,000 29,364,000 27,932,000 29,758,000 28,105,000 22,585,000 15,576,000 18,810,000 17,876,000 14,188,000 15,204,000 12,121,000 14,207,000 12,271,000 12,431,000 9,906,000 9,772,000 9,426,000                          
      advertising and marketing
    21,000,000 32,000,000 23,000,000 25,000,000 22,000,000 30,000,000 27,000,000 27,000,000 20,000,000 25,686,000 22,898,000 28,353,000 31,063,000 21,398,000 20,635,000 16,024,000 15,208,000 13,364,000 14,628,000 17,832,000 11,855,000 9,842,000 22,375,000 27,063,000 22,088,000 24,046,000 20,275,000                          
      amortization of core deposit and other intangible assets
    9,000,000 10,000,000 10,000,000 9,000,000 13,000,000 13,000,000 12,000,000 13,000,000 15,000,000 14,901,000 14,946,000 14,945,000 17,208,000 18,384,000 18,384,000 1,256,000 2,738,000 2,737,000 2,738,000 3,129,000 3,914,000 3,913,000 3,913,000 4,305,000 5,088,000 5,077,000 5,020,000                          
      other costs of operations
    101,000,000 151,000,000 136,000,000 113,000,000 118,000,000 168,000,000 128,000,000 116,000,000 134,000,000 -161,623,000 227,893,000 234,338,000 226,392,000 238,059,000 331,304,000 173,684,000 190,719,000 185,761,000 189,273,000 172,136,000 164,825,000 170,513,000 176,112,000 156,679,000 210,506,000 233,692,000 218,808,000                          
      total other expense
    1,438,000,000 1,379,000,000 1,363,000,000 1,336,000,000 1,415,000,000 1,363,000,000 1,303,000,000 1,297,000,000       1,403,154,000                                      
      income before taxes
    863,000,000 971,000,000 1,025,000,000 935,000,000 761,000,000 882,000,000 909,000,000 855,000,000 664,000,000 625,661,000 907,431,000 1,159,741,000 926,167,000 847,517,000 277,663,000 475,320,000 657,042,000 605,628,000 592,549,000 620,522,000 486,882,000 312,368,000 349,749,000 652,190,000 635,050,000 625,544,000 634,477,000                          
      income taxes
    199,000,000 212,000,000 233,000,000 219,000,000 177,000,000 201,000,000 188,000,000 200,000,000 133,000,000 143,260,000 217,490,000 292,707,000 224,543,000 200,921,000 60,141,000 113,146,000 161,582,000 147,559,000 145,300,000 149,382,000 114,746,000 71,314,000 80,927,000 159,124,000 154,969,000 152,284,000 151,735,000                          
      net income
    664,000,000 759,000,000 792,000,000 716,000,000 584,000,000 681,000,000 721,000,000 655,000,000 531,000,000 482,401,000 689,941,000 867,034,000 701,624,000 646,596,000 217,522,000 362,174,000 495,460,000 458,069,000 447,249,000 471,140,000 372,136,000 241,054,000 268,822,000 493,066,000 480,081,000 473,260,000 482,742,000                          
      yoy
    13.70% 11.45% 9.85% 9.31% 9.98% 41.17% 4.50% -24.46% -24.32% -25.39% 217.18% 139.40% 41.61% 41.16% -51.36% -23.13% 33.14% 90.03% 66.37% -4.45% -22.48% -49.07% -44.31%                              
      qoq
    -12.52% -4.17% 10.61% 22.60% -14.24% -5.55% 10.08% 23.35% 10.07% -30.08% -20.43% 23.58% 8.51% 197.26% -39.94% -26.90% 8.16% 2.42% -5.07% 26.60% 54.38% -10.33% -45.48% 2.70% 1.44% -1.96%                           
      net income available to common shareholders
                                                        
      basic
    620,000,000 718,000,000 754,000,000 679,000,000 547,000,000 644,000,000 674,000,000 626,000,000 505,000,000 456,198,000 663,763,000 840,520,000 675,508,000 620,549,000 192,236,000 339,589,000 475,958,000 438,756,000 428,091,000 451,863,000 353,399,000 223,098,000 250,701,000 473,381,000 461,410,000 452,632,000 462,086,000                          
      diluted
    620,000,000 718,000,000 754,000,000 679,000,000 547,000,000 644,000,000 674,000,000 626,000,000 505,000,000 456,188,000 663,766,000 840,524,000 675,511,000 620,554,000 192,236,000 339,590,000 475,961,000 438,759,000 428,093,000 451,864,000 353,400,000 223,099,000 250,701,000 473,382,000 461,410,000 452,633,000 462,086,000                          
      net income per common share
                                                        
      basic
    4,160,000 4,690,000 4,850,000 4,260,000 3,330,000 3,880,000 4,040,000 3,750,000 3,040,000 15,836,910 4,000 5,070 4,030 3,550 1,080 2,630 3,700 3,410 3,330 3,520 2,750 1,740 1,930 3,600 3,470 3,340 3,350                          
      diluted
    4,130,000 4,660,000 4,820,000 4,240,000 3,320,000 3,860,000 4,020,000 3,730,000 3,020,000 15,776,950 3,980 5,050 4,010 3,530 1,080 2,620 3,690 3,410 3,330 3,520 2,750 1,740 1,930 3,590 3,470 3,340 3,350                          
      average common shares outstanding
                                                        
      basic
    149,225,000,000 -1,756,000,000 155,558,000,000 159,221,000,000 164,209,000,000 41,673,500,000 166,671,000,000 166,951,000,000 166,460,000,000 41,622,000 165,909,000 165,842,000 167,732,000 174,609,000 177,367,000 128,945,000 128,689,000 128,671,000 128,537,000 32,187,500 128,285,000 128,275,000 129,696,000 33,852,750 132,965,000 135,433,000 137,889,000                          
      diluted
    150,109,000,000 -1,712,000,000 156,553,000,000 160,005,000,000 165,047,000,000 41,859,250,000 167,567,000,000 167,659,000,000 167,084,000,000 41,773,250 166,570,000 166,320,000 168,410,000 175,682,000 178,277,000 129,416,000 128,844,000 128,842,000 128,669,000 32,203,250 128,355,000 128,333,000 129,755,000 33,860,750 132,999,000 135,464,000 137,920,000                          
      other
      1,000,000 2,000,000   1,000,000 1,000,000 1,000,000 909,000 1,377,000 1,000,000 714,000 624,000 452,000 194,000 344,000 217,000 380,000 1,345,000 1,816,000 443,000 4,447,000 6,060,000 262,000 356,000 483,000                          
      loans and leases
        2,006,000,000                                                
      investment securities:
                                                        
      fully taxable
        321,000,000 307,000,000 267,000,000 244,000,000 212,000,000 194,344,000 199,187,000 197,882,000 181,587,000 135,766,000 119,392,000 39,132,000 33,209,000 34,456,000 37,071,000 40,611,000 38,529,000 47,219,000 50,110,000 63,484,000 69,059,000 75,578,000 80,411,000                          
      exempt from federal taxes
        15,000,000 16,000,000 16,000,000 16,000,000 16,000,000 16,459,000 16,425,000 16,505,000 16,611,000 16,555,000 17,783,000 50,000 48,000 10,000 55,000 20,000 59,000 29,000 75,000 51,000 98,000 77,000 95,000                          
      loans and leases, including fees
         1,594,500,000 2,153,000,000 2,128,000,000 2,097,000,000 2,111,965,000 2,061,570,000 1,997,809,000 1,849,656,000 1,455,612,000 1,246,742,000 870,600,000 944,422,000 926,965,000 972,582,000 991,266,000 956,594,000 980,372,000 1,046,821,000 1,079,030,000 1,119,662,000 1,125,577,000 1,117,913,000                          
      benefit from credit losses
            200,000,000 225,000,000 150,000,000 150,000,000 120,000,000 115,000,000  10,000,000 -20,000,000 -15,000,000 -25,000,000 75,000,000 150,000,000 325,000,000 250,000,000 54,000,000 45,000,000 55,000,000 22,000,000                          
      net interest income after benefit from credit losses
            1,480,000,000 1,497,219,000 1,625,388,000 1,649,129,000 1,698,264,000 1,563,691,000  894,174,000 987,250,000 957,340,000 1,006,395,000 914,280,000 793,095,000 632,137,000 726,805,000 954,833,000 984,890,000 986,481,000 1,028,060,000                          
      printing, postage and supplies
             10,586,500 13,964,000 14,199,000 14,183,000 14,768,000 15,570,000 10,150,000 7,917,000 11,133,000 9,317,000 8,335,000 9,422,000 11,260,000 10,852,000 9,513,000 10,201,000 10,324,000 9,855,000                          
      deposits at cayman islands office
                     16,000 185,000 233,000 241,000 161,000 3,419,000 4,922,000 6,218,000 6,039,000 4,738,000                          
      trading account and non-hedging derivative gains
                 5,081,000 2,293,000                                      
      gain/(loss) on bank investment securities
                 -1,108,000                                       
      loss on bank investment securities
                  -62,000 -743,000   -12,282,000                                  
      trading account and foreign exchange gains
                   5,369,000 5,563,000 6,502,000 6,284,000 7,204,000 4,026,000 8,290,000 21,016,000 16,717,000 16,072,000 18,453,000 10,802,000                          
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-03-31 2025-12-31 2025-09-30 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 2022-09-30 2022-06-30 2022-03-31 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 2013-09-30 2013-06-30 2013-03-31 2012-09-30 
                                                         
        assets
                                  1,311,611,000 1,367,594,000 1,291,664,000  1,368,252,000 1,344,478,000 1,286,962,000  1,332,202,000 1,284,442,000 1,178,175,000  1,249,704,000 1,347,858,000 1,269,816,000   1,827,197,000 1,671,052,000   1,231,091,000  
        cash and due from banks
      1,903,000,000  1,950,000,000 2,128,000,000 2,109,000,000  2,216,000,000 1,778,000,000 1,695,000,000 1,731,000,000 1,768,864,000 1,848,386,000 1,817,740,000 2,255,810,000 1,688,274,000 1,411,460,000 1,479,712,000 1,410,468,000 1,258,989,000 1,552,743,000 1,489,232,000 1,354,815,000 1,298,192,000 1,432,805,000 1,818,861,000 1,271,611,000 1,267,260,000 1,605,439,000    1,420,888,000    1,320,549,000    1,368,040,000    1,289,965,000       1,622,928,000 
        interest-bearing deposits at banks
      14,445,000,000 18,767,000,000 16,751,000,000 19,297,000,000 20,656,000,000 27,244,000,000 24,417,000,000 24,792,000,000 32,144,000,000 28,069,000,000 30,114,286,000 27,106,899,000 22,306,425,000 25,391,528,000 33,437,454,000 36,025,382,000 38,445,788,000 33,864,824,000 31,407,227,000 23,663,810,000 20,197,937,000 20,888,341,000 8,896,307,000 7,190,154,000 12,495,524,000 8,791,753,000 7,602,897,000 8,105,197,000    5,078,903,000    5,000,638,000    7,594,350,000    6,470,867,000       411,994,000 
        trading account
      92,000,000 96,000,000 95,000,000 93,000,000 96,000,000 102,000,000 102,000,000 99,000,000 99,000,000 106,000,000 136,998,000 137,240,000 165,216,000 129,672,000 133,855,000 197,558,000 624,556,000 712,558,000 687,359,000 1,068,581,000 1,215,573,000 1,293,534,000 1,224,291,000 470,129,000 614,256,000 479,403,000 276,322,000 185,584,000    132,909,000    323,867,000    273,783,000    308,175,000       526,844,000 
        investment securities:
                                                         
        available for sale
      25,228,000,000  23,163,000,000 21,540,000,000 20,799,000,000  16,727,000,000 13,892,000,000 12,134,000,000 10,440,000,000 10,592,409,000 10,807,659,000 11,038,922,000 10,870,346,000 8,704,955,000 5,705,199,000    4,822,606,000 5,302,338,000 5,821,274,000 6,139,979,000 6,318,776,000 6,985,417,000 7,380,340,000 8,325,584,000 8,682,509,000    10,896,284,000    13,332,072,000    12,242,671,000    9,156,932,000       5,183,878,000 
        held to maturity
      12,119,000,000  12,711,000,000 13,024,000,000 13,352,000,000  14,503,000,000 14,793,000,000 15,078,000,000 15,330,000,000 15,571,120,000 15,918,106,000 16,201,571,000 12,898,862,000 13,373,171,000 3,180,626,000 2,359,727,000 1,718,198,000 1,778,135,000 1,748,989,000 1,938,694,000 2,158,982,000 2,300,642,000 2,656,917,000 3,031,299,000 3,604,233,000 3,714,699,000 3,316,640,000    3,353,213,000    2,457,278,000    2,859,709,000    3,507,868,000       1,121,325,000 
        equity and other securities
      1,274,000,000  990,000,000 1,004,000,000 986,000,000  1,097,000,000 1,209,000,000 1,284,000,000 1,127,000,000 1,172,574,000 1,190,690,000 1,202,716,000 834,557,000 723,591,000 471,007,000 469,789,000 465,196,000 468,095,000 474,102,000 481,972,000 474,088,000 515,969,000 521,558,000 660,867,000 595,676,000 496,557,000 693,664,000                        
        total investment securities
      38,621,000,000 35,778,000,000 36,864,000,000 35,568,000,000 35,137,000,000 30,755,000,000 32,327,000,000 29,894,000,000 28,496,000,000 26,897,000,000 27,336,103,000 27,916,455,000 28,443,209,000 24,603,765,000 22,801,717,000 9,356,832,000 6,447,622,000 6,143,177,000 6,610,667,000 7,045,697,000 7,723,004,000 8,454,344,000 8,956,590,000 9,497,251,000 10,677,583,000 11,580,249,000 12,536,840,000 12,692,813,000    14,664,525,000    16,250,468,000    15,656,439,000    12,993,542,000       6,624,004,000 
        loans
      139,914,000,000  136,974,000,000 136,116,000,000                                                
        allowance for loan losses
      -2,136,000,000  -2,161,000,000 -2,197,000,000                                                
        net loans
      137,778,000,000  134,813,000,000 133,919,000,000                                                
        premises and equipment
      1,716,000,000  1,621,000,000 1,646,000,000 1,661,000,000  1,694,000,000 1,719,000,000 1,707,000,000 1,739,000,000 1,681,051,000 1,672,998,000 1,664,021,000 1,620,339,000 1,600,172,000 1,134,718,000 1,117,903,000 1,116,703,000 1,148,941,000 1,161,558,000 1,146,681,000 1,155,281,000 1,154,558,000 1,140,924,000 1,074,181,000 1,066,511,000 1,044,761,000 647,408,000    646,451,000    675,263,000    666,682,000    612,984,000       589,035,000 
        goodwill
      8,465,000,000 8,465,000,000 8,465,000,000 8,465,000,000 8,465,000,000 8,465,000,000 8,465,000,000 8,465,000,000 8,465,000,000 8,465,000,000 8,465,089,000 8,465,089,000 8,490,089,000 8,501,357,000 8,501,357,000 4,593,112,000 4,593,112,000 4,593,112,000 4,593,112,000 4,593,112,000 4,593,112,000 4,593,112,000 4,593,112,000 4,593,112,000 4,593,112,000 4,593,112,000 4,593,112,000 4,593,112,000    4,593,112,000    4,593,112,000    4,593,112,000    3,524,625,000       3,524,625,000 
        core deposit and other intangible assets
      55,000,000 82,000,000 74,000,000 84,000,000 93,000,000 120,000,000 107,000,000 119,000,000 132,000,000 147,000,000 162,275,000 177,221,000 192,166,000 226,974,000 245,358,000 2,742,000 5,952,000 8,690,000 11,427,000 14,165,000 17,294,000 21,208,000 25,121,000 29,034,000 33,339,000 38,428,000 43,947,000 47,067,000    71,589,000    97,655,000    140,268,000    35,027,000       129,628,000 
        accrued interest and other assets
      11,661,000,000  10,644,000,000 10,384,000,000 9,730,000,000  8,741,000,000 9,191,000,000 9,617,000,000 9,171,000,000 9,157,092,000 9,002,078,000 8,914,959,000 8,876,038,000 8,712,122,000 6,805,715,000 7,118,679,000 7,234,871,000 7,099,464,000 6,701,959,000 5,555,367,000 5,657,022,000 5,671,753,000 5,644,050,000 5,409,114,000 4,885,637,000 5,039,520,000 4,773,750,000    5,013,325,000    5,323,235,000    5,961,703,000    5,617,564,000       4,465,443,000 
        total assets
      214,736,000,000 210,645,000,000 211,277,000,000 211,584,000,000 210,321,000,000 211,220,000,000 211,785,000,000 208,855,000,000 215,137,000,000 208,264,000,000 209,124,316,000 207,671,729,000 202,956,407,000 197,955,479,000 204,032,889,000 149,863,552,000 151,901,194,000 150,622,707,000 150,481,060,000 142,601,105,000 138,626,743,000 139,536,969,000 124,577,833,000 119,872,757,000 125,500,926,000 121,554,895,000 120,025,205,000 120,097,403,000    118,593,487,000    123,449,206,000    122,787,884,000    96,685,535,000       81,085,233,000 
        liabilities
                                  31,773,560,000 32,086,191,000 31,817,516,000  33,111,246,000 32,366,426,000 34,279,591,000  33,127,627,000 30,700,066,000 29,709,218,000  28,189,330,000 27,674,588,000 27,181,120,000   26,088,763,000 25,244,200,000   23,603,971,000  
        noninterest-bearing deposits
      45,892,000,000 44,702,000,000 44,994,000,000 47,485,000,000 49,051,000,000 47,260,000,000 47,344,000,000 47,729,000,000 50,578,000,000 49,294,000,000 53,786,987,000 54,937,913,000 59,955,033,000 73,023,271,000 72,375,515,000 58,520,366,000 56,542,309,000 55,621,230,000 53,641,419,000 47,572,884,000 44,201,670,000 45,397,843,000 35,554,715,000 32,396,407,000 31,766,724,000 30,747,946,000 29,966,753,000 32,256,668,000    33,975,180,000    32,813,896,000    29,110,635,000    26,947,880,000       22,968,401,000 
        savings and interest-checking deposits
      104,767,000,000 104,385,000,000 104,812,000,000 102,874,000,000 102,379,000,000 97,824,000,000 100,698,000,000 94,668,000,000 96,339,000,000 93,221,000,000 90,297,219,000 88,046,247,000 86,282,685,000 86,015,700,000 92,711,597,000 65,273,150,000 69,195,960,000 69,491,942,000 70,679,036,000 67,680,840,000 65,732,130,000 63,623,406,000 57,956,331,000 54,932,162,000 55,581,533,000 53,221,672,000 52,932,297,000 50,963,744,000    51,698,008,000    52,346,207,000                
        time deposits
      13,082,000,000 14,020,000,000 13,620,000,000 14,094,000,000 13,979,000,000 18,339,000,000 16,512,000,000 17,513,000,000 20,279,000,000 20,759,000,000 20,043,601,000 19,074,220,000 12,837,522,000 4,806,417,000 5,271,284,000 2,525,197,000 2,963,027,000 3,155,600,000 3,514,219,000 3,899,910,000 4,329,550,000 5,078,426,000 5,454,341,000 5,757,456,000 6,203,679,000 6,346,551,000 6,501,509,000 6,124,254,000    6,580,962,000    10,131,846,000    13,110,392,000    3,063,973,000       4,972,409,000 
        total deposits
      163,741,000,000 163,107,000,000 163,426,000,000 164,453,000,000 165,409,000,000  164,554,000,000 159,910,000,000 167,196,000,000 163,274,000,000 164,127,807,000 162,058,380,000 159,075,240,000 163,845,388,000 170,358,396,000 126,318,713,000 128,701,296,000 128,268,772,000 128,476,365,000 119,805,738,000 115,163,339,000 114,967,959,000 100,183,308,000 94,770,069,000 95,113,933,000 91,681,024,000 90,469,750,000 90,156,572,000    92,432,146,000    95,493,876,000    91,957,841,000    73,582,053,000       64,007,258,000 
        short-term borrowings
      7,851,000,000 2,774,000,000 2,059,000,000 2,071,000,000 1,573,000,000 4,440,000,000 2,605,000,000 4,764,000,000 4,795,000,000 5,316,000,000 6,730,663,000 7,907,884,000 6,995,302,000 917,806,000 1,119,321,000 50,307,000 103,548,000 91,235,000 58,957,000 59,482,000 46,123,000 52,298,000 59,180,000 62,363,000 5,513,896,000 4,611,390,000 3,602,566,000 4,398,378,000    175,099,000                    
        long-term borrowings
      11,175,000,000 11,897,000,000 12,928,000,000 12,380,000,000 10,496,000,000 11,083,000,000 11,583,000,000 11,319,000,000 11,450,000,000 8,201,000,000 7,123,426,000 7,416,638,000 7,462,890,000 3,459,336,000 3,017,363,000 3,443,587,000 3,500,391,000 3,499,448,000 3,498,503,000 4,382,193,000 5,458,885,000 6,321,291,000 6,321,435,000 6,986,186,000 7,002,524,000 7,655,507,000 8,476,024,000 8,444,914,000    8,141,430,000    9,493,835,000    10,653,858,000    9,006,959,000       4,969,536,000 
        accrued interest and other liabilities
      3,997,000,000  4,136,000,000 4,155,000,000 3,852,000,000  4,167,000,000 4,438,000,000 4,527,000,000 4,516,000,000 4,945,918,000 4,487,894,000 4,045,804,000 4,476,456,000 3,743,278,000 2,174,925,000 2,067,188,000 2,042,948,000 2,000,727,000 2,166,409,000 1,857,383,000 2,250,316,000 2,198,116,000 2,337,490,000 2,090,762,000 1,915,147,000 1,889,336,000 1,637,348,000    1,593,993,000    1,811,431,000    1,870,714,000    1,567,951,000       1,570,758,000 
        total liabilities
      186,764,000,000 181,841,000,000 182,549,000,000 183,059,000,000 181,330,000,000 183,168,000,000 182,909,000,000 180,431,000,000 187,968,000,000 181,307,000,000 182,927,814,000 181,870,796,000 177,579,236,000 172,698,986,000 178,238,358,000 131,987,532,000 134,372,423,000 133,902,403,000 134,034,552,000 126,413,822,000 122,525,730,000 123,591,864,000 108,762,039,000 104,156,108,000 109,721,115,000 105,863,068,000 104,437,676,000 104,637,212,000    102,342,668,000    106,962,584,000    106,614,595,000    84,349,639,000       71,139,706,000 
        shareholders' equity
                                  1,231,500,000 1,231,500,000 1,231,500,000  1,231,500,000 1,231,500,000 1,231,500,000  1,231,500,000               
        preferred stock
      2,434,000,000  2,394,000,000 2,394,000,000 2,394,000,000                                               
        common stock
      90,000,000  90,000,000 90,000,000 90,000,000  90,000,000 90,000,000 90,000,000 90,000,000 89,718,000 89,718,000 89,718,000 89,718,000 89,718,000 79,871,000 79,871,000 79,871,000 79,871,000 79,871,000 79,871,000 79,871,000 79,871,000 79,871,000 79,871,000 79,871,000 79,871,000 79,883,000    79,909,000    79,973,000    79,782,000    66,157,000       63,702,000 
        additional paid-in capital
      9,961,000,000  9,995,000,000 9,981,000,000 9,968,000,000  9,986,000,000 9,976,000,000 9,976,000,000 10,020,000,000 10,012,438,000 10,000,335,000 9,986,325,000 9,994,395,000 9,986,881,000 6,611,659,000 6,624,656,000 6,620,528,000 6,611,150,000 6,617,404,000 6,609,573,000 6,599,069,000 6,588,407,000 6,593,539,000 6,584,705,000 6,577,603,000 6,568,480,000 6,579,342,000    6,590,855,000    6,676,948,000    6,680,768,000    3,409,506,000       2,951,248,000 
        retained earnings
      21,476,000,000  20,392,000,000 19,870,000,000 19,405,000,000  18,659,000,000 18,211,000,000 17,812,000,000 17,524,000,000 17,284,350,000 16,836,810,000 16,212,095,000 15,219,828,000 14,808,637,000 14,830,671,000 14,365,913,000 14,030,215,000 13,731,893,000 13,444,428,000 13,132,374,000 12,919,345,000 12,837,390,000 12,820,916,000 12,490,233,000 12,162,278,000 11,842,371,000 11,516,672,000    10,164,804,000    9,222,488,000    8,430,502,000    7,807,119,000       6,286,785,000 
        accumulated other comprehensive income
      66,000,000  277,000,000 215,000,000 90,000,000  -27,000,000 -551,000,000 -589,000,000 -459,000,000 -941,878,000 -864,800,000 -645,005,000 -899,993,000 -506,490,000 -377,385,000 -210,419,000 -176,974,000 -138,478,000 -63,032,000 175,503,000 244,630,000 209,833,000 -206,680,000 -80,308,000 -112,958,000 -288,009,000 -420,081,000    -363,814,000    -294,636,000    -251,627,000    -180,994,000       -230,075,000 
        treasury stock
      -6,055,000,000  -4,421,000,000 -4,026,000,000 -2,957,000,000  -2,227,000,000 -2,047,000,000 -2,132,000,000 -2,230,000,000 -2,259,705,000 -2,272,702,000 -2,277,519,000 -1,159,153,000 -595,905,000 -5,019,870,000 -5,082,446,000 -5,084,515,000 -5,089,093,000 -5,142,732,000 -5,147,635,000 -5,149,118,000 -5,150,999,000 -4,822,563,000 -4,546,237,000 -4,247,993,000 -3,848,198,000 -3,528,851,000    -1,454,282,000    -431,796,000                
        total shareholders’ equity
      27,972,000,000  28,728,000,000 28,525,000,000 28,991,000,000  28,876,000,000 28,424,000,000 27,169,000,000 26,957,000,000 26,196,502,000 25,800,933,000 25,377,171,000 25,256,493,000 25,794,531,000 17,876,020,000 17,528,771,000 16,720,304,000 16,446,508,000 16,187,283,000 16,101,013,000 15,945,105,000 15,815,794,000 15,716,649,000 15,779,811,000 15,691,827,000 15,587,529,000 15,460,191,000    16,250,819,000    16,486,622,000    16,173,289,000    12,335,896,000       9,945,527,000 
        total liabilities and shareholders’ equity
      214,736,000,000 210,645,000,000 211,277,000,000 211,584,000,000 210,321,000,000 211,220,000,000 211,785,000,000 208,855,000,000 215,137,000,000 208,264,000,000 209,124,316,000 207,671,729,000 202,956,407,000 197,955,479,000 204,032,889,000 149,863,552,000 151,901,194,000 150,622,707,000 150,481,060,000 142,601,105,000 138,626,743,000 139,536,969,000 124,577,833,000 119,872,757,000 125,500,926,000 121,554,895,000 120,025,205,000 120,097,403,000    118,593,487,000    123,449,206,000    122,787,884,000    96,685,535,000       81,085,233,000 
        earning assets:
                                                         
        commercial and industrial
       61,520,000,000    58,871,000,000                                              
        real estate - commercial
       25,004,000,000                                                  
        real estate - residential
       24,001,000,000                                                  
        consumer
       25,578,000,000    22,519,000,000                                              
        total loans
       136,103,000,000                                                  
        investment securities
                                                         
        u.s. treasury
       7,904,000,000    9,038,000,000                                              
        mortgage-backed securities
       24,590,000,000    17,968,000,000                                              
        state and political subdivisions
       2,231,000,000    2,428,000,000                                              
        other
       1,053,000,000    1,321,000,000                          415,028,000    461,118,000    554,059,000    328,742,000       318,801,000 
        total earning assets
       190,744,000,000    192,818,000,000                                              
        other assets
       11,354,000,000    9,817,000,000                                              
        liabilities and shareholders’ equity
                                                         
        interest-bearing liabilities:
                                                         
        interest-bearing deposits:
                                                         
        total interest-bearing deposits
       118,405,000,000    116,163,000,000                                              
        total interest-bearing liabilities
       133,076,000,000    131,686,000,000                                              
        other liabilities
       4,063,000,000    4,222,000,000                                              
        shareholders’ equity
       28,804,000,000    28,052,000,000                                1,231,500,000 1,231,500,000  1,231,500,000 1,231,500,000 1,231,500,000  1,231,500,000 1,231,500,000 1,231,500,000 879,010,000 876,796,000 874,627,000  
        net interest spread
       2,860,000    2,570,000                                              
        contribution of interest-free funds
       810,000    1,010,000                                              
        net interest income/margin on earning assets
       6,992,000,000    6,902,000,000                                              
        common stock issuable, 7,846 shares at september 30, 2025; 11,642 shares at december 31, 2024
        1,000,000                                                 
        common stock issuable, 9,556 shares at june 30, 2025; 11,642 shares at december 31, 2024
         1,000,000                                                
        loans and leases
          134,574,000,000  133,716,000,000 132,798,000,000 132,782,000,000 134,936,000,000 133,133,497,000 134,061,568,000 133,531,052,000 128,608,538,000 128,685,278,000 92,004,751,000 93,872,912,000 97,487,955,000 99,691,141,000 98,875,788,000 98,849,533,000 98,197,650,000 94,408,178,000 91,188,525,000 90,084,230,000 90,142,482,000 88,897,260,000 88,733,492,000    88,242,886,000    91,101,677,000    87,719,234,000    66,899,369,000       64,335,438,000 
        allowance for credit losses
          -2,200,000,000  -2,204,000,000 -2,204,000,000 -2,191,000,000 -2,129,000,000 -2,052,127,000 -1,998,366,000 -1,975,110,000 -1,875,591,000 -1,823,790,000 -1,472,359,000 -1,515,024,000 -1,575,128,000 -1,636,206,000 -1,736,387,000 -1,758,505,000 -1,638,236,000 -1,384,366,000 -1,051,071,000 -1,038,437,000 -1,029,867,000 -1,019,337,000 -1,019,444,000    -1,017,198,000    -988,997,000    -955,992,000    -919,562,000       -921,223,000 
        net loans and leases
          132,374,000,000                                               
        common stock issuable, 9,490 shares at march 31, 2025; 11,642 shares at december 31, 2024
          1,000,000                                               
        commercial real estate
           30,271,000,000                                              
        residential real estate
           23,056,000,000                                              
        total loans and leases
           134,717,000,000                                              
        federal funds sold and agreements to resell securities
                    250,250,000                                     
        loans and leases, net of unearned discount of 1,043 at september 30, 2024 and 868 at december 31, 2023
            135,920,000,000                                             
        preferred stock, 1.00 par, 20,000,000 shares authorized; issued and outstanding: liquidation preference of 1,000 per share: 350,000 shares at december 31, 2023; liquidation preference of 10,000 per share: 215,000 shares at september 30, 2024 and 140,000 shares at december 31, 2023; liquidation preference of 25 per share: 10,000,000 shares at september 30, 2024 and december 31, 2023
            2,394,000,000                                             
        common stock issuable, 11,559 shares at september 30, 2024; 12,217 shares at december 31, 2023
            1,000,000                                             
        loans and leases, net of unearned discount of 990 at june 30, 2024 and 868 at december 31, 2023
             135,002,000,000                                            
        preferred stock, 1.00 par, 20,000,000 shares authorized; issued and outstanding: liquidation preference of 1,000 per share: 350,000 shares at june 30, 2024 and december 31, 2023; liquidation preference of 10,000 per share: 215,000 shares at june 30, 2024 and 140,000 shares at december 31, 2023; liquidation preference of 25 per share; 10,000,000 shares at june 30, 2024 and december 31, 2023
             2,744,000,000                                            
        common stock issuable, 11,560 shares at june 30, 2024; 12,217 shares at december 31, 2023
             1,000,000                                            
        loans and leases, net of unearned discount of 928 at march 31, 2024 and 868 at december 31, 2023
              134,973,000,000                                           
        preferred stock, 1.00 par, 20,000,000 shares authorized; issued and outstanding: liquidation preference of 1,000 per share: 350,000 shares at march 31, 2024 and december 31, 2023; liquidation preference of 10,000 per share: 140,000 shares at march 31, 2024 and december 31, 2023; liquidation preference of 25 per share: 10,000,000 shares at march 31, 2024 and december 31, 2023
              2,011,000,000                                           
        common stock issuable, 11,458 shares at march 31, 2024; 12,217 shares at december 31, 2023
              1,000,000                                           
        federal funds sold
                        1,000,000     3,500,000 200,000                   83,392,000        
        unearned discount
               -868,000,000 -778,812,000 -717,839,000 -593,360,000 -382,951,000 -199,158,000 -196,359,000 -290,018,000 -374,523,000 -392,061,000 -339,921,000 -402,485,000 -440,102,000 -265,903,000 -265,656,000 -261,037,000 -264,424,000 -257,377,000 -267,015,000    -253,903,000    -248,261,000    -229,735,000    -230,413,000       -223,483,000 
        loans and leases, net of unearned discount
               134,068,000,000 132,354,685,000 133,343,729,000 132,937,692,000 128,225,587,000 128,486,120,000 91,808,392,000 93,582,894,000 97,113,432,000 99,299,080,000 98,535,867,000 98,447,048,000 97,757,548,000 94,142,275,000 90,922,869,000 89,823,193,000 89,878,058,000 88,639,883,000 88,466,477,000    87,988,983,000    90,853,416,000    87,489,499,000    66,668,956,000       64,111,955,000 
        preferred stock, 1.00 par, 20,000,000 shares authorized; issued and outstanding: liquidation preference of 1,000 per share: 350,000 shares at december 31, 2023 and december 31, 2022; liquidation preference of 10,000 per share: 140,000 shares at december 31, 2023 and december 31, 2022; liquidation preference of 25 per share: 10,000,000 shares at december 31, 2023 and december 31, 2022
               2,011,000,000                                          
        common stock issuable, 12,217 shares at december 31, 2023; 14,031 shares at december 31, 2022
               1,000,000                                          
        preferred stock, 1.00 par, 20,000,000 shares authorized; issued and outstanding: liquidation preference of 1,000 per share: 350,000 shares at september 30, 2023 and december 31, 2022; liquidation preference of 10,000 per share: 140,000 shares at september 30, 2023 and december 31, 2022; liquidation preference of 25 per share: 10,000,000 shares at september 30, 2023 and december 31, 2022
                2,010,600,000                                         
        common stock issuable, 12,140 shares at september 30, 2023; 14,031 shares at december 31, 2022
                979,000                                         
        preferred stock, 1.00 par, 20,000,000 shares authorized; issued and outstanding: liquidation preference of 1,000 per share: 350,000 shares at june 30, 2023 and december 31, 2022; liquidation preference of 10,000 per share: 140,000 shares at june 30, 2023 and december 31, 2022; liquidation preference of 25 per share: 10,000,000 shares at june 30, 2023 and december 31, 2022
                 2,010,600,000                                        
        common stock issuable, 12,124 shares at june 30, 2023; 14,031 shares at december 31, 2022
                 972,000                                        
        preferred stock, 1.00 par, 20,000,000 shares authorized; issued and outstanding: liquidation preference of 1,000 per share: 350,000 shares at march 31, 2023 and december 31, 2022; liquidation preference of 10,000 per share: 140,000 shares at march 31, 2023 and december 31, 2022; liquidation preference of 25 per share: 10,000,000 shares at march 31, 2023 and december 31, 2022
                  2,010,600,000                                       
        common stock issuable, 11,998 shares at march 31, 2023; 14,031 shares at december 31, 2022
                  957,000                                       
        preferred stock, 1.00 par, 20,000,000 shares authorized; issued and outstanding: liquidation preference of 1,000 per share: 350,000 shares at september 30, 2022 and december 31, 2021; liquidation preference of 10,000 per share: 140,000 shares at september 30, 2022 and december 31, 2021; liquidation preference of 25 per share: 10,000,000 shares at september 30, 2022
                   2,010,600,000                                      
        common stock issuable, 13,951 shares at september 30, 2022; 15,769 shares at december 31, 2021
                   1,098,000                                      
        preferred stock, 1.00 par, 20,000,000 shares authorized; issued and outstanding: liquidation preference of 1,000 per share: 350,000 shares at june 30, 2022 and december 31, 2021; liquidation preference of 10,000 per share: 140,000 shares at june 30, 2022 and december 31, 2021; liquidation preference of 25 per share: 10,000,000 shares at june 30, 2022
                    2,010,600,000                                     
        common stock issuable, 13,968 shares at june 30, 2022; 15,769 shares at december 31, 2021
                    1,090,000                                     
        preferred stock, 1.00 par, 1,000,000 shares authorized; issued and outstanding: liquidation preference of 1,000 per share: 350,000 shares at march 31, 2022 and december 31, 2021; liquidation preference of 10,000 per share: 140,000 shares at march 31, 2022 and december 31, 2021
                     1,750,000,000                                    
        common stock issuable, 13,864 shares at march 31, 2022; 15,769 shares at december 31, 2021
                     1,074,000                                    
        available for sale (cost: 3,473,923 at september 30, 2021; 4,621,027 at december 31, 2020
                      3,618,106,000                                   
        deposits at cayman islands office
                        641,691,000 652,104,000 899,989,000 868,284,000 1,217,921,000 1,684,044,000 1,561,997,000 1,364,855,000 1,069,191,000 811,906,000    177,996,000    201,927,000    170,170,000    176,582,000       1,402,753,000 
        preferred stock, 1.00 par, 1,000,000 shares authorized; issued and outstanding: liquidation preference of 1,000 per share: 350,000 shares at september 30, 2021 and december 31, 2020; liquidation preference of 10,000 per share: 140,000 shares at september 30, 2021 and 90,000 shares at december 31, 2020
                      1,750,000,000                                   
        common stock issuable, 15,683 shares at september 30, 2021; 18,113 shares at december 31, 2020
                      1,196,000                                   
        available for sale (cost: 3,801,940 at june 30, 2021; 4,621,027 at december 31, 2020
                       3,959,783,000                                  
        preferred stock, 1.00 par, 1,000,000 shares authorized; issued and outstanding: liquidation preference of 1,000 per share: 350,000 shares at june 30, 2021 and december 31, 2020; liquidation preference of 10,000 per share: 90,000 shares at june 30, 2021 and december 31, 2020
                       1,250,000,000                                  
        common stock issuable, 15,568 shares at june 30, 2021; 18,113 shares at december 31, 2020
                       1,179,000                                  
        available for sale (cost: 4,194,886 at march 31, 2021; 4,621,027 at december 31, 2020
                        4,364,437,000                                 
        preferred stock, 1.00 par, 1,000,000 shares authorized; issued and outstanding: liquidation preference of 1,000 per share: 350,000 shares at march 31, 2021 and december 31, 2020; liquidation preference of 10,000 per share: 90,000 shares at march 31, 2021 and december 31, 2020
                        1,250,000,000                                 
        common stock issuable, 15,492 shares at march 31, 2021; 18,113 shares at december 31, 2020
                        1,165,000                                 
        preferred stock, 1.00 par, 1,000,000 shares authorized; issued and outstanding: liquidation preference of 1,000 per share: 350,000 shares at december 31, 2020 and december 31, 2019; liquidation preference of 10,000 per share: 90,000 shares at december 31, 2020 and december 31, 2019
                         1,250,000,000                                
        common stock issuable, 18,113 shares at december 31, 2020; 21,534 shares at december 31, 2019
                         1,344,000                                
        preferred stock, 1.00 par, 1,000,000 shares authorized; issued and outstanding: liquidation preference of 1,000 per share: 350,000 shares at september 30, 2020 and december 31, 2019; liquidation preference of 10,000 per share: 90,000 shares at september 30, 2020 and december 31, 2019
                          1,250,000,000                               
        common stock issuable, 17,999 shares at september 30, 2020; 21,534 shares at december 31, 2019
                          1,327,000                               
        preferred stock, 1.00 par, 1,000,000 shares authorized; issued and outstanding: liquidation preference of 1,000 per share: 350,000 shares at june 30, 2020 and december 31, 2019; liquidation preference of 10,000 per share: 90,000 shares at june 30, 2020 and december 31, 2019
                           1,250,000,000                              
        common stock issuable, 17,786 shares at june 30, 2020; 21,534 shares at december 31, 2019
                           1,308,000                              
        preferred stock, 1.00 par, 1,000,000 shares authorized; issued and outstanding: liquidation preference of 1,000 per share: 350,000 shares at march 31, 2020 and december 31, 2019; liquidation preference of 10,000 per share: 90,000 shares at march 31, 2020 and december 31, 2019
                            1,250,000,000                             
        common stock issuable, 17,641 shares at march 31, 2020; 21,534 shares at december 31, 2019
                            1,292,000                             
        preferred stock, 1.00 par, 1,000,000 shares authorized; issued and outstanding: liquidation preference of 1,000 per share: 350,000 shares at december 31, 2019 and 731,500 shares at december 31, 2018; liquidation preference of 10,000 per share: 90,000 shares at december 31, 2019 and 50,000 shares at december 31, 2018
                             1,250,000,000                            
        common stock issuable, 21,534 shares at december 31, 2019; 24,563 shares at december 31, 2018
                             1,566,000                            
        preferred stock, 1.00 par, 1,000,000 shares authorized; issued and outstanding: liquidation preference of 1,000 per share: 350,000 shares at september 30, 2019 and 731,500 shares at december 31, 2018; liquidation preference of 10,000 per share: 90,000 shares at september 30, 2019 and 50,000 shares at december 31, 2018
                              1,250,000,000                           
        common stock issuable, 21,461 shares at september 30, 2019; 24,563 shares at december 31, 2018
                              1,547,000                           
        preferred stock, 1.00 par, 1,000,000 shares authorized; issued and outstanding: liquidation preference of 1,000 per share: 731,500 shares at june 30, 2019 and december 31, 2018; liquidation preference of 10,000 per share: 50,000 shares at june 30, 2019 and december 31, 2018
                               1,231,500,000                          
        common stock issuable, 21,327 shares at june 30, 2019; 24,563 shares at december 31, 2018
                               1,526,000                          
        preferred stock, 1.00 par, 1,000,000 shares authorized; issued and outstanding: liquidation preference of 1,000 per share: 731,500 shares at march 31, 2019 and december 31, 2018; liquidation preference of 10,000 per share: 50,000 shares at march 31, 2019 and december 31, 2018
                                1,231,500,000                         
        common stock issuable, 21,324 shares at march 31, 2019; 24,563 shares at december 31, 2018
                                1,514,000                         
        preferred stock, 1.00 par, 1,000,000 shares authorized; issued and outstanding: liquidation preference of 1,000 per share: 731,500 shares at december 31, 2018 and december 31, 2017; liquidation preference of 10,000 per share: 50,000 shares at december 31, 2018 and december 31, 2017
                                 1,231,500,000                        
        common stock issuable, 24,563 shares at december 31, 2018; 27,138 shares at december 31, 2017
                                 1,726,000                        
        preferred stock, 1.00 par, 1,000,000 shares authorized; issued and outstanding: liquidation preference of 1,000 per share: 731,500 shares at december 31, 2017 and december 31, 2016; liquidation preference of 10,000 per share: 50,000 shares at december 31, 2017 and december 31, 2016
                                     1,231,500,000                    
        common stock issuable, 27,138 shares at december 31, 2017; 32,403 shares at december 31, 2016
                                     1,847,000                    
        federal funds purchased and agreements to repurchase securities
                                         163,442,000    150,546,000    192,676,000       592,154,000 
        other short-term borrowings
                                             1,981,636,000            
        preferred stock, 1.00 par, 1,000,000 shares authorized; issued and outstanding: liquidation preference of 1,000 per share: 731,500 shares at december 31, 2016 and december 31, 2015; liquidation preference of 10,000 per share: 50,000 shares at december 31, 2016 and december 31, 2015
                                         1,231,500,000                
        common stock issuable, 32,403 shares at december 31, 2016; 36,644 shares at december 31, 2015
                                         2,145,000                
        interest-checking deposits
                                             2,939,274,000            
        savings deposits
                                             46,627,370,000    41,085,803,000       33,163,780,000 
        preferred stock, 1.00 par, 1,000,000 shares authorized; issued and outstanding: liquidation preference of 1,000 per share: 731,500 shares at december 31, 2015 and december 31, 2014; liquidation preference of 10,000 per share: 50,000 shares at december 31, 2015 and december 31, 2014
                                             1,231,500,000            
        common stock issuable, 36,644 shares at december 31, 2015; 41,330 shares at december 31, 2014
                                             2,364,000            
        now accounts
                                                 2,307,815,000       1,499,915,000 
        preferred stock, 1.00 par, 1,000,000 shares authorized; issued and outstanding: liquidation preference of 1,000 per share: 731,500 shares at december 31, 2014; 381,500 shares at december 31, 2013; liquidation preference of 10,000 per share: 50,000 shares at december 31, 2014 and december 31, 2013
                                                 1,231,500,000        
        common stock issuable, 41,330 shares at december 31, 2014; 47,231 shares at december 31, 2013
                                                 2,608,000        
        preferred stock, 1.00 par, 1,000,000 shares authorized; issued and outstanding: liquidation preference of 1,000 per share: 381,500 shares at september 30, 2012 and december 31, 2011; liquidation preference of 10,000 per share: 50,000 shares at september 30, 2012 and december 31, 2011
                                                        870,416,000 
        common stock issuable, 57,316 shares at september 30, 2012; 68,220 shares at december 31, 2011
                                                        3,451,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-12-31 2025-09-30 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 2022-09-30 2022-06-30 2022-03-31 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 2018-09-30 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 2013-09-30 2013-06-30 2013-03-31 2012-09-30 
                                                          
          cash flows from operating activities
                                   526,091,000 493,160,000 352,610,000  355,923,000 381,053,000 348,927,000  349,984,000 336,031,000 298,528,000  280,401,000 286,688,000 241,613,000  275,344,000 284,336,000 229,017,000 294,479,000 348,466,000 274,113,000  
          net income
        664,000,000 759,000,000 792,000,000 716,000,000 584,000,000 681,000,000 721,000,000 655,000,000 531,000,000 482,401,000 689,941,000 867,034,000 701,624,000 646,596,000 217,522,000 362,174,000 495,460,000 458,069,000 447,249,000 471,140,000 372,136,000 241,054,000 268,822,000 493,066,000 480,081,000 473,260,000 482,742,000                        
          adjustments to reconcile net income to net cash from operating activities:
                                                          
          provision for credit losses
        140,000,000 125,000,000 125,000,000 125,000,000 130,000,000 140,000,000 120,000,000                                            
          depreciation and amortization of premises and equipment
        79,000,000 80,000,000 79,000,000 81,000,000 83,000,000 81,000,000 76,000,000 79,000,000 80,000,000 77,214,000 77,980,000 73,305,000 75,501,000 84,788,000 78,210,000 56,739,000 55,773,000 56,343,000 57,116,000 56,275,000 55,575,000 53,992,000 54,756,000 54,216,000 53,738,000 51,001,000 50,982,000                        
          amortization of capitalized servicing rights
        9,000,000 32,000,000 33,000,000 34,000,000 34,000,000 35,000,000 34,000,000 35,000,000 35,000,000 37,201,000 36,357,000 37,610,000 19,832,000 24,167,000 25,682,000 25,316,000 25,853,000 20,196,000 19,951,000 20,829,000 26,021,000 18,980,000 18,991,000 18,751,000 19,120,000 17,847,000 16,170,000                        
          amortization of core deposit and other intangible assets
        9,000,000 10,000,000 10,000,000 9,000,000 13,000,000 13,000,000 12,000,000 13,000,000 15,000,000 14,901,000 14,946,000 14,945,000 17,208,000 18,384,000 18,384,000 1,256,000 2,738,000 2,737,000 2,738,000 3,129,000 3,914,000 3,913,000 3,913,000 4,305,000 5,088,000 5,077,000 5,020,000                        
          provision for deferred income taxes
        14,000,000 20,000,000 -16,000,000 -16,000,000 -6,000,000 -14,000,000 1,000,000                                            
          asset write-downs
        3,000,000 2,000,000 10,000,000 3,000,000 3,000,000 33,000,000 1,000,000 6,000,000 682,000 1,981,000 557,000 780,000 3,889,000 3,217,000 252,000 1,803,000 2,026,000 1,217,000 3,322,000 2,066,000 12,636,000 2,990,000 -46,149,000 1,526,000 50,405,000 1,919,000                        
          net gain on sales of assets
        -9,000,000 -8,000,000   -5,000,000 -27,000,000   -1,000,000 -4,587,000 -10,025,000 -222,873,000 -11,515,000 -3,727,000 -6,088,000 -4,768,000 -2,415,000 -10,739,000 -2,106,000  -8,928,000 -1,875,000 -3,933,000  -3,417,000 -5,350,000 -5,171,000                        
          net change in accrued interest receivable, payable
        -62,000,000 38,000,000 -73,000,000 50,000,000 -63,000,000 -27,000,000   27,000,000 28,390,000 -26,505,000 204,326,000 54,789,000 -69,463,000 -4,914,000 15,748,000 21,443,000 35,845,000 -36,893,000 3,573,000 -87,035,000 -34,927,000 -13,863,000 22,152,000 3,121,000 40,721,000 -35,071,000                        
          net change in other accrued income and expense
        -97,000,000 -124,000,000 85,000,000 193,000,000 -140,000,000 116,000,000 115,000,000 125,000,000 -74,000,000 353,155,000 280,013,000 -29,340,000 -42,828,000 -38,592,000 66,751,000 -99,163,000 101,004,000 -22,899,000 -27,301,000 -74,667,000 -350,488,000 79,766,000 -73,363,000 151,494,000 69,150,000 26,590,000 -171,304,000                        
          net change in loans originated for sale
        220,000,000 -369,000,000 67,000,000 -229,000,000 159,000,000 416,000,000 -555,000,000 363,000,000 -352,000,000 65,145,000 82,557,000 -65,480,000 -274,222,000 -11,018,000 137,359,000 434,520,000 -289,756,000 13,739,000 158,878,000 -119,305,000 -202,405,000 -62,175,000 -158,193,000 150,555,000 198,600,000 -421,595,000 202,670,000                        
          net change in trading account and other non-hedging derivative assets and liabilities
        42,000,000 -42,000,000 -67,000,000 -92,000,000 -157,000,000 229,000,000 -398,000,000 -27,000,000 139,000,000 -422,145,000 155,624,000 245,257,000 -244,736,000                                      
          net cash from operating activities
        1,012,000,000 523,000,000 1,001,000,000 844,000,000 635,000,000 1,676,000,000 -28,000,000 1,354,000,000 608,000,000 800,279,000 1,419,634,000 1,257,274,000 427,813,000 1,136,982,000 1,187,369,000 1,295,770,000 486,320,000   664,122,000 -6,012,000   1,130,707,000 746,670,000 66,872,000 413,306,000                        
          cash flows from investing activities
                                                          
          proceeds from sales:
                                                          
          investment securities available for sale
        2,492,000,000                                                  
          equity and other securities
        322,000,000 198,000,000 76,000,000 145,000,000 159,000,000 174,000,000 213,000,000 113,000,000 110,000,000 204,942,000 194,703,000 93,080,000 521,275,000 16,713,000 21,693,000 4,593,000 3,669,000 2,742,000 2,526,000 11,537,000 1,267,000 51,696,000 2,536,000 291,471,000 297,916,000 267,746,000 312,743,000                        
          loans
        6,000,000 94,000,000 34,000,000                                                
          proceeds from maturities:
                                                          
          investment securities held to maturity
        315,000,000 286,000,000 319,000,000                                                
          purchases:
                                                          
          net change in loans
        -1,611,000,000 -1,671,000,000 -823,000,000                                                
          capital expenditures
        -96,000,000 -56,000,000 -36,000,000 -26,000,000 -25,000,000 -85,000,000 -30,000,000 -66,000,000 -35,000,000 -87,787,000 -66,834,000 -45,968,000 -55,411,000 -39,068,000 -59,832,000 -27,910,000 -42,706,000   -46,919,000 -31,719,000   -58,527,000 -36,865,000 -51,947,000 -30,710,000                        
          free cash flows
        916,000,000 467,000,000 965,000,000 818,000,000 610,000,000 1,591,000,000 -58,000,000 1,288,000,000 573,000,000 712,492,000 1,352,800,000 1,211,306,000 372,402,000 1,097,914,000 1,127,537,000 1,267,860,000 443,614,000   617,203,000 -37,731,000   1,072,180,000 709,805,000 14,925,000 382,596,000                        
          net change in loan servicing advances
        -280,000,000 -139,000,000 -199,000,000                                                
          other
        -180,000,000 -179,000,000 -21,000,000 85,000,000 134,000,000 -689,000,000 535,000,000 -104,000,000 -280,000,000 152,921,000 -233,622,000 -107,859,000 -251,440,000 -191,910,000 -109,393,000 -215,201,000 -70,816,000 -138,139,000 -179,350,000 -283,867,000 153,901,000 -223,323,000 420,700,000 -251,277,000 -28,752,000 78,408,000 5,700,000                        
          net cash from investing activities
        -4,324,000,000 -3,832,000,000 1,000,000                                                
          cash flows from financing activities
                                   -131,473,000 -1,673,269,000 -1,484,629,000  -26,360,000 -3,500,174,000 1,550,297,000  3,490,179,000 440,709,000 2,264,623,000  315,203,000 -946,804,000 -4,543,000  4,513,017,000 1,130,765,000 1,581,705,000 550,210,000 573,656,000 -519,555,000  
          net change in deposits
        -3,168,000,000 3,484,000,000 -1,027,000,000                                                
          net change in short-term borrowings
        5,702,000,000 90,000,000 -12,000,000                                                
          proceeds from long-term borrowings
        508,000,000 747,000,000 2,043,000,000 743,000,000 1,494,000,000 646,000,000 3,357,000,000 1,002,626,000 546,699,000 3,485,675,000                                      
          payments on long-term borrowings
        -212,000,000 -2,000,000,000 -215,000,000 -215,000,000 -2,950,000,000 -331,000,000 -516,000,000 -113,000,000 -49,000,000 -43,285,000 -780,521,000 -98,000 -96,000 -7,095,000 -900,047,000 -49,000 -49,000 -47,000 -852,945,000 -1,059,982,000 -850,616,000 -1,302,000 -753,123,000 -960,000 -675,952,000 -875,442,000 -1,139,000                        
          redemption of series g preferred stock
        -400,000,000                                                  
          purchases of treasury stock
        -1,238,000,000 -502,000,000 -404,000,000 -1,069,000,000 -656,000,000 -198,000,000    -594,000,000 -600,000,000      -373,750,000 -282,210,000 -299,963,000 -401,984,000 -365,628,000                        
          dividends paid — common
        -227,000,000 -228,000,000 -233,000,000 -213,000,000 -225,000,000 -224,000,000 -225,000,000 -225,000,000 -221,000,000 -215,662,000 -215,969,000 -215,852,000 -220,517,000 -209,146,000 -213,165,000 -156,657,000 -141,750,000 -141,747,000 -142,044,000 -141,908,000 -141,514,000 -141,520,000 -143,170,000 -145,171,000 -132,930,000 -134,442,000 -139,595,000                        
          dividends paid — preferred
        -48,000,000 -34,000,000 -41,000,000 -30,000,000 -41,000,000 -31,000,000 -49,000,000 -24,000,000 -34,000,000 -16,565,000 -33,554,000 -16,327,000 -33,554,000 -33,554,000 -16,328,000 -30,718,000 -21,288,000 -12,812,000 -21,288,000 -12,812,000 -21,288,000 -12,812,000 -21,344,000 -12,812,000 -18,382,000 -18,892,000 -17,368,000                        
          net cash from financing activities
        891,000,000 1,255,000,000 -1,180,000,000 28,000,000 1,697,000,000    6,438,000,000        778,726,000 -335,870,000 7,644,256,000                                
          net change in cash, cash equivalents and restricted cash
        -2,421,000,000 -2,054,000,000 -178,000,000                                                
          cash, cash equivalents and restricted cash at beginning of period
        18,769,000,000 18,873,000,000 1,909,000,000 1,731,000,000 -244,000 1,520,244,000 1,337,577,000 1,552,743,000 1,436,305,000 1,605,439,000                        
          cash, cash equivalents and restricted cash at end of period
        16,348,000,000 16,819,000,000 -178,000,000 19,000,000 2,109,000,000 -307,000,000 438,000,000 83,000,000 1,695,000,000 -37,864,000 -79,522,000 30,646,000 1,817,740,000 567,536,000 276,814,000 1,411,460,000 69,244,000 150,479,000 1,259,989,000 63,511,000 134,417,000 56,623,000 1,298,192,000 -382,756,000 547,450,000 4,351,000 1,267,260,000                        
          supplemental disclosure of cash flow information
                                   1,150,647,000 1,132,387,000 1,077,676,000  1,050,033,000 1,036,880,000 1,001,129,000  976,251,000 978,804,000 968,223,000  755,628,000 752,373,000 726,475,000  726,516,000 725,067,000 695,653,000 724,986,000 740,846,000 718,296,000  
          interest received during the period
        2,608,000,000 2,703,000,000 2,712,000,000 2,634,000,000 2,605,000,000 2,754,000,000 2,776,000,000 2,831,000,000 2,716,000,000 2,663,371,000 2,614,680,000 2,524,723,000 2,289,226,000 1,728,869,000 1,437,680,000 978,682,000 1,000,515,000 1,004,917,000 971,142,000 1,014,073,000 965,036,000 997,787,000 1,159,094,000 1,192,095,000 1,255,583,000 1,250,600,000 1,194,023,000                        
          interest paid during the period
        862,000,000 802,000,000 978,000,000 811,000,000 933,000,000 1,025,000,000 1,179,000,000 1,116,000,000 999,000,000 911,911,000 856,101,000 512,569,000 410,419,000 127,839,000 46,030,000 40,683,000 36,561,000 24,463,000 55,378,000 53,212,000 95,205,000 65,013,000 158,861,000 158,496,000 216,112,000 169,870,000 191,309,000                        
          income taxes paid during the period
        34,000,000 215,000,000 164,000,000 80,000,000 70,000,000 -4,000,000 134,000,000 65,000,000 41,000,000 21,198,000 101,602,000 306,726,000 22,474,000 131,179,000 198,049,000 33,638,000 74,524,000 180,039,000 24,220,000 21,087,000 192,712,000 17,099,000 44,660,000 18,072,000 59,037,000 93,856,000 149,548,000                        
          supplemental schedule of noncash investing and financing activities
                                   14,431,000 21,008,000 15,410,000  31,349,000 33,595,000 23,607,000  33,820,000 32,549,000 33,737,000        29,785,000   8,244,000  
          real estate and other foreclosed assets acquired in settlement of loans
        5,000,000                                                  
          additions to right-of-use assets under operating leases
        70,000,000 31,000,000 18,000,000 43,000,000 14,000,000 39,000,000 19,000,000 24,000,000 19,000,000 45,737,000 19,591,000 38,136,000 30,536,000 68,692,000 14,545,000 16,468,000 16,222,000 5,162,000 13,020,000 24,866,000 15,303,000 13,164,000 17,421,000 62,914,000 24,377,000 24,518,000 20,410,000                        
          proceeds from issuance of series j preferred stock
                                                        
          proceeds from issuance of series k preferred stock
                                                          
          redemption of series e preferred stock
                                                         
          real estate acquired in settlement of loans
         2,000,000 2,000,000 6,000,000 5,000,000 3,000,000 7,000,000 4,000,000 19,000,000 6,182,000 5,206,000 4,524,000 7,088,000 12,217,000 4,202,000 4,598,000 2,854,000 1,667,000 2,301,000 599,000 2,162,000 590,000 17,295,000 24,054,000 26,562,000 14,616,000 24,840,000                        
          net change in interest-bearing deposits at banks
          2,546,000,000                                                
          net loss on sales of assets
                                                          
          proceeds from sales of investment securities:
                                                          
          available for sale
             109,000,000 54,000,000 4,000,000 230,331,000 214,533,000 156,963,000 141,173,000 173,785,000 247,468,000 220,320,000 327,408,000 389,624,000 422,171,000  487,028,000 358,259,000 303,994,000                            
          proceeds from maturities of investment securities:
                                                          
          held to maturity
            848,000,000 314,000,000 297,000,000 290,000,000 257,000,000 246,293,000 352,965,000 289,497,000 281,245,000 481,797,000 452,160,000 120,032,000 140,376,000 164,332,000 171,644,000 192,176,000 217,286,000 142,478,000 359,615,000 375,165,000 574,569,000 113,126,000 99,960,000                        
          purchases of investment securities:
                                                          
          net decrease in loans and leases
            703,000,000                                              
          net increase in interest-bearing deposits at banks
            -1,783,000,000    -4,075,000,000 2,045,567,000 -3,007,387,000   8,045,926,000 11,781,274,000 5,846,922,000 -4,580,964,000 -2,457,597,000 -7,743,417,000 -3,465,873,000 690,404,000 -11,992,034,000 -1,706,153,000 5,305,370,000 -3,703,771,000 -1,188,856,000 502,300,000                        
          net decrease in loan servicing advances
            -279,000,000 -212,000,000 33,000,000 72,000,000 81,000,000  19,916,000 79,038,000 206,668,000             772,000 22,891,000                        
          net cash used by investing activities
            -2,132,000,000  -1,386,000,000 5,625,000,000 -7,082,000,000        -1,195,802,000 -50,625,000 -8,931,747,000  967,256,000                              
          net increase in deposits
            4,314,000,000    3,921,000,000 -855,737,000    -6,512,100,000 -8,927,153,000 -5,224,696,000 432,524,000 -207,593,000 8,670,627,000 4,642,435,000 195,699,000 14,785,204,000 5,413,829,000 -343,245,000 3,433,550,000 1,211,928,000 313,849,000                        
          net increase in short-term borrowings
            513,000,000 -1,545,000,000 -2,159,000,000 -31,000,000 -521,000,000 -1,414,712,000 -1,177,221,000 912,582,000 3,440,351,000 48,484,000 -75,856,000 3,261,000 12,313,000   13,359,000 -6,175,000   -5,451,533,000 902,506,000 1,008,824,000 -795,812,000                        
          net increase in cash, cash equivalents and restricted cash
            200,000,000 -307,000,000 438,000,000 83,000,000 -36,000,000 -37,620,000 -79,522,000 30,646,000 297,496,000 567,536,000 276,814,000 73,883,000    63,511,000    -382,756,000                           
          net increase in loans and leases
             -290,000,000 -482,000,000 -534,000,000 -724,000,000 -1,919,651,000 795,118,000 -479,239,000 -1,166,228,000 206,742,000 -903,308,000 637,624,000 3,805,023,000 2,160,903,000 -988,654,000 -4,390,000 -513,577,000 -3,607,760,000 -3,105,967,000 -1,311,128,000 -224,590,000 -846,875,000 -412,670,000                        
          net decrease in interest-bearing deposits at banks
             5,544,000,000 375,000,000      2,652,294,000                                      
          acquisition, net of cash consideration:
                                                          
          bank and bank holding company
                                                         
          net cash provided (used) by investing activities
                 682,905,000 -1,907,430,000 -4,901,763,000 -1,747,712,000 6,219,311,000 9,842,984,000 4,195,580,000       -3,852,363,000 4,726,674,000 -3,418,808,000 -852,120,000 271,261,000                        
          net decrease in deposits
                   2,985,931,000 -4,440,810,000                                      
          net cash provided (used) by financing activities
                 -1,520,804,000 408,274,000 3,675,135,000 1,617,395,000 -6,788,757,000 -10,753,539,000 -5,417,467,000      14,622,989,000 4,108,692,000                            
          acquisition of bank and bank holding company:
                                                          
          common stock issued
                                                         
          common stock awards converted
                                                         
          fair value of:
                                                          
          assets acquired
                                                         
          liabilities assumed
                                                         
          preferred stock converted
                                                         
          benefit from credit losses
                200,000,000 225,000,000 150,000,000 150,000,000 120,000,000 115,000,000 302,000,000 10,000,000 -20,000,000 -15,000,000 -25,000,000 75,000,000 150,000,000 325,000,000 250,000,000 54,000,000 45,000,000 55,000,000 22,000,000                        
          benefit from deferred income taxes
                2,000,000 -57,078,000 -33,235,000 -18,067,000 11,380,000 -12,067,000 -81,497,000 4,151,000 15,037,000 15,824,000 39,329,000 88,622,000 -29,820,000 -53,850,000 -36,243,000 40,865,000 866,000 2,376,000 13,441,000                        
          net increase in loan servicing advances
                     285,883,000 696,082,000 342,947,000 15,454,000 -43,015,000 -374,614,000 -904,661,000   -48,866,000 -136,999,000                           
          proceeds from issuance of series i preferred stock
                                                          
          loans held for sale transferred to loans held for investment
                                                          
          adjustments to reconcile net income to net cash from operating activities
                                                          
          proceeds from sales of investment securities
                                                          
          proceeds from maturities of investment securities
                                                          
          purchases of investment securities
                                                          
          acquisition, net of cash consideration
                                                          
          acquisition of bank and bank holding company
                                                          
          fair value of
                                                          
          net change in trading account and non-hedging derivative assets and liabilities
                     379,025,000                                     
          net change in trading account assets and liabilities
                       489,545,000 79,380,000 -19,167,000 359,559,000 140,909,000 62,952,000 -56,995,000 -708,319,000 141,988,000 -126,203,000 -228,460,000 -170,092,000                        
          net decrease in cash, cash equivalents and restricted cash
                         150,479,000 -292,754,000   56,623,000 -138,113,000   4,351,000 -338,179,000                        
          net cash provided (used) by operating activities
                          994,737,000    -394,442,000                            
          net decrease in short-term borrowings
                          -525,000    -3,183,000                            
          net (gain) loss on sales of assets
                                                          
          proceeds from issuance of series g preferred stock
                                                         
          redemption of series a and series c preferred stock
                                                         
          securitization of residential mortgage loans allocated to
                                                          
          available-for-sale investment securities
                               5,379,000                        
          capitalized servicing rights
                               83,000                        
          adoption of lease accounting standard
                                                          
          right-of-use assets
                               393,877,000                        
          other liabilities
                               398,810,000                        
          net cash used by financing activities
                                 789,599,000 -1,022,746,000                        
          acquisition of bank and bank holding company, net of cash acquired
                                                          
          redemption of series d preferred stock
                                                          
          proceeds from issuance of series f preferred stock
                                                          
          net increase in cash and cash equivalents
                                                          
          cash and cash equivalents at beginning of year
                                                          
          cash and cash equivalents at end of year
                                                          
          interest received during the year
                                                          
          interest paid during the year
                                                          
          income taxes paid during the year
                                                          
          proceeds from issuance of preferred stock
                                                          
          net decrease in cash and cash equivalents
                                                          
          acquisition, net of cash acquired bank and bank holding company
                                                          
          held-to-maturity investment securities
                                                          
          cash flows from
                                                          
          operating activities
                                                          
          investing activities
                                                          
          financing activities
                                                          
          supplemental
                                                          
          disclosure of cash
                                                          
          flow information
                                                          
          supplemental schedule of noncash investing and