| Period End Date | 2021-12-31 | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 |
| Total Revenue | 133,295,472,000.00 | 118,781,274,000.00 | 115,962,473,000.00 | 120,701,038,000.00 | 122,214,698,000.00 |
| Cost of Revenue, Total | 92,803,347,000.00 | 84,016,549,000.00 | 82,613,501,000.00 | 81,887,248,000.00 | 77,458,749,000.00 |
| Gross Profit | 40,492,125,000.00 | 34,764,725,000.00 | 33,348,972,000.00 | 38,813,790,000.00 | 44,755,949,000.00 |
| Operating Income | 21,188,569,000.00 | 16,148,261,000.00 | 14,562,029,000.00 | 20,078,140,000.00 | 23,638,122,000.00 |
| Total Premiums Earned | -- | -- | -- | -- | -- |
| Net Investment Income | -- | -- | -- | -- | -- |
| Updated at 22:47:53 | -- | -- | -- | -- | -- |
| Net Interest Income | -- | -- | -- | -- | -- |
| Loan Loss Provision | -- | -- | -- | -- | -- |
| Net Interest Income After Loan Loss Provision | -- | -- | -- | -- | -- |
| Non-Interest Income, Bank | -- | -- | -- | -- | -- |
| Total Premiums Earned | -- | -- | -- | -- | -- |
| Net Investment Income | -- | -- | -- | -- | -- |
| Realized and Unrealized Gains (Losses) | -- | -- | -- | -- | -- |
| Other Revenue, Total | -- | -- | -- | -- | -- |
| Losses, Benefits, and Adjustments, Total | -- | -- | -- | -- | -- |
| Depreciation / Depletion, Cumulative | 3,858,736,000.00 | 4,147,235,000.00 | 4,005,088,000.00 | 3,710,516,000.00 | 3,374,550,000.00 |
| Updated at 22:48:08 | -- | -- | -- | -- | -- |
| Accumulated Depreciation, Total | -35,062,606,000.00 | -32,954,050,000.00 | -29,802,949,000.00 | -26,513,719,000.00 | -23,006,111,000.00 |
| Net Income Before Extraordinary Items | 12,768,101,000.00 | 8,884,595,000.00 | 7,354,467,000.00 | 11,611,559,000.00 | 14,641,782,000.00 |
| Normalized Income Before Taxes | 18,222,962,000.00 | 12,428,772,000.00 | 11,096,510,000.00 | 16,884,434,000.00 | 20,838,445,000.00 |
| Net Income Before Extraordinary Items | 12,768,101,000.00 | 8,884,595,000.00 | 7,354,467,000.00 | 11,611,559,000.00 | 14,641,782,000.00 |
| Net Income Incl Extra Before Distributions | 12,768,101,000.00 | 8,884,595,000.00 | 7,354,467,000.00 | 11,611,559,000.00 | 14,641,782,000.00 |
| Income Avail to Cmn Shareholders Excl Extra | 12,768,101,000.00 | 8,884,595,000.00 | 7,354,467,000.00 | 11,611,559,000.00 | 14,641,782,000.00 |
| Income Avail to Cmn Shareholders Incl Extra | 12,768,101,000.00 | 8,884,595,000.00 | 7,354,467,000.00 | 11,611,559,000.00 | 14,641,782,000.00 |
| Net Income Before Taxes | 17,953,600,000.00 | 12,591,094,000.00 | 10,715,710,000.00 | 16,966,941,000.00 | 20,988,505,000.00 |
| Provision for Income Taxes | 5,185,499,000.00 | 3,706,499,000.00 | 3,361,243,000.00 | 5,355,382,000.00 | 6,346,723,000.00 |
| Net Income After Taxes | 12,768,101,000.00 | 8,884,595,000.00 | 7,354,467,000.00 | 11,611,559,000.00 | 14,641,782,000.00 |
| Updated at 22:48:24 | -- | -- | -- | -- | -- |
| Basic Normalized EPS | 285.77 | 193.39 | 167.93 | 254.80 | 320.55 |
| Cash and Short Term Investments | 743,920,000.00 | 789,055,000.00 | 318,753,000.00 | 745,694,000.00 | 1,333,984,000.00 |
| Total Assets, Reported | 65,403,898,000.00 | 60,906,365,000.00 | 65,273,408,000.00 | 67,160,011,000.00 | 58,345,619,000.00 |
| Total Long Term Debt | 12,115,479,000.00 | 12,116,657,000.00 | 4,084,023,000.00 | 9,282,260,000.00 | 9,291,755,000.00 |
| Total Debt | 22,472,877,000.00 | 23,098,685,000.00 | 30,837,905,000.00 | 26,363,646,000.00 | 21,767,992,000.00 |
| Total Liabilities | 60,000,626,000.00 | 56,715,923,000.00 | 62,017,442,000.00 | 63,139,787,000.00 | 53,711,279,000.00 |
| Total Equity | 5,403,272,000.00 | 4,190,442,000.00 | 3,255,966,000.00 | 4,020,224,000.00 | 4,634,340,000.00 |
| Total Liabilities And Shareholders' Equity | 65,403,898,000.00 | 60,906,365,000.00 | 65,273,408,000.00 | 67,160,011,000.00 | 58,345,619,000.00 |
| Total Common Shares Outstanding | 45,349,580.00 | 45,349,580.00 | 45,349,580.00 | 45,349,580.00 | 45,349,580.00 |
| Updated at 22:48:41 | -- | -- | -- | -- | -- |
| Cash from Operating Activities, Cumulative | 12,812,073,000.00 | 21,868,147,000.00 | 10,078,310,000.00 | 13,542,555,000.00 | 16,000,698,000.00 |
| Net Cash - Beginning Balance | -41,190,000.00 | -5,822,572,000.00 | -672,607,000.00 | 820,076,000.00 | -1,659,953,000.00 |
| Net Cash - Ending Balance | -3,482,609,000.00 | -41,190,000.00 | -5,822,572,000.00 | -672,607,000.00 | 820,076,000.00 |
| Net Change in Cash, Cumulative | -3,441,419,000.00 | 5,781,382,000.00 | -5,149,965,000.00 | -1,492,683,000.00 | 2,480,029,000.00 |
| Net Income/Starting Line, Cumulative | 17,953,600,000.00 | 12,591,094,000.00 | 10,715,710,000.00 | 16,966,941,000.00 | 20,988,505,000.00 |
| Capital Expenditures, Cumulative | -2,602,970,000.00 | -3,156,982,000.00 | -3,803,843,000.00 | -4,533,175,000.00 | -5,457,179,000.00 |
| Capital Expenditures - Actual | -- | -- | -- | -- | -- |