| Fiscal period | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
| Period End Date | 12/31/2025 | 12/31/2024 | 12/31/2023 | 12/31/2022 | 12/31/2021 | 12/31/2020 | 12/31/2019 | 12/31/2018 | 12/31/2017 | 12/31/2016 |
| Sales by Company-operated restaurants | 9,690.00 | 15,715.00 | 9,741.60 | 8,748.40 | 9,787.40 | 8,139.20 | 9,420.80 | 10,012.70 | 12,718.90 | 15,295.00 |
| Revenues from franchised and affiliated restaurants | 16,548.00 | 9,782.00 | 15,436.50 | 14,105.80 | 13,085.40 | 10,726.10 | 11,655.70 | 11,012.50 | 10,101.50 | 9,326.90 |
| Other revenues | 647.00 | 423.00 | 315.60 | 328.40 | 350.10 | 342.50 | -- | -- | -- | -- |
| Total Revenues | 26,885.00 | 25,920.00 | 25,493.70 | 23,182.60 | 23,222.90 | 19,207.80 | 21,076.50 | 21,025.20 | 22,820.40 | 24,621.90 |
| Franchised restaurants-occupancy expenses | 2,618.00 | 2,536.00 | 2,474.60 | 2,349.70 | 2,335.00 | 2,207.50 | 2,200.60 | 1,973.30 | 1,790.00 | 1,718.40 |
| Other restaurant expenses | 564.00 | 339.00 | 232.50 | 244.80 | 260.40 | 267.00 | -- | -- | -- | -- |
| Food & paper | 3,006.00 | 2,995.00 | 3,039.00 | 2,737.30 | 3,096.80 | 2,564.20 | 2,980.30 | 3,153.80 | 4,033.50 | 4,896.90 |
| Payroll & employee benefits | 2,905.00 | 2,959.00 | 2,885.80 | 2,617.40 | 2,677.20 | 2,416.40 | 2,704.40 | 2,937.90 | 3,528.50 | 4,134.20 |
| Occupancy & other operating expenses | 2,358.00 | 2,381.00 | 2,299.30 | 2,026.20 | 2,273.30 | 2,000.60 | 2,075.90 | 2,174.20 | 2,847.60 | 3,667.70 |
| Food and packaging | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Depreciation and amortization | 457.00 | 447.00 | -- | -- | -- | -- | -- | -- | -- | -- |
| Selling, general & administrative expenses | 2,583.00 | 2,412.00 | 2,816.90 | 2,862.60 | 2,707.50 | 2,545.60 | 2,229.40 | 2,200.20 | 2,231.30 | 2,384.50 |
| Other operating income (expense) net | -- | (139.00) | (98.90) | (973.60) | 483.30 | 117.50 | 183.90 | 236.80 | 1,163.20 | (75.70) |
| Impairment and other charges (credits), net | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Special charge-global change initiatives | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Other | (2.00) | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Total operating costs and expenses | 14,492.00 | 14,208.00 | 13,847.00 | 13,811.60 | 12,866.90 | 11,883.80 | 12,006.70 | 12,202.60 | 13,267.70 | 16,877.40 |
| Operating Income (Loss) | 12,393.00 | 11,712.00 | 11,646.70 | 9,371.00 | 10,356.00 | 7,324.00 | 9,069.80 | 8,822.60 | 9,552.70 | 7,744.50 |
| Interest expense | 1,582.00 | 1,506.00 | 1,360.80 | 1,207.00 | 1,185.80 | 1,218.10 | 1,121.90 | 981.20 | 921.30 | 884.80 |
| Gain on sale of investment | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| McDonald"s Japan IPO gain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Nonoperating (income) expense, net | 87.00 | 139.00 | 236.30 | (338.60) | (42.30) | 34.80 | 70.20 | (25.30) | (57.90) | 6.30 |
| Pre-Tax Income - U.S | 3,291.00 | 3,282.00 | 3,665.00 | 1,845.60 | 2,413.90 | 1,390.40 | 2,159.10 | 2,218.00 | 2,242.00 | 2,059.40 |
| Outside the U.S | 7,606.00 | 7,062.00 | 6,857.20 | 5,979.80 | 6,714.00 | 4,750.30 | 5,859.00 | 5,598.10 | 6,331.50 | 4,806.60 |
| Income before provision for income taxes | 10,897.00 | 10,345.00 | 10,522.20 | 7,825.40 | 9,127.90 | 6,140.70 | 8,018.10 | 7,816.10 | 8,573.50 | 6,866.00 |
| Provision for income taxes | 2,334.00 | 2,121.00 | 2,053.40 | 1,648.00 | 1,582.70 | 1,410.20 | 1,992.70 | 1,891.80 | 3,381.20 | 2,179.50 |
| Current tax provision:U.S. federal | 1,085.00 | 1,412.00 | 1,340.00 | 517.30 | 887.60 | 554.10 | 521.80 | 292.90 | 2,030.80 | 1,046.60 |
| Current tax provision:U.S. state | 198.00 | 269.00 | 262.70 | 246.30 | 228.10 | 119.10 | 194.70 | 183.90 | 169.80 | 121.30 |
| Current tax provision:Outside the U.S | 1,177.00 | 1,014.00 | 1,137.10 | 1,230.10 | 895.30 | 730.60 | 1,126.50 | 1,312.40 | 1,217.00 | 1,550.20 |
| Deferred tax provision (benefit):U.S. federal | (349.00) | (76.00) | (146.00) | (80.00) | (177.40) | 870.30 | 38.50 | 145.70 | (120.10) | (122.10) |
| Deferred tax provision (benefit):U.S. state | (84.00) | (20.00) | (29.60) | (46.20) | (24.10) | 73.30 | 20.00 | 18.70 | 12.80 | 14.10 |
| Deferred tax provision (benefit):Outside the U.S | 307.00 | (478.00) | (510.80) | (219.50) | (226.80) | (937.20) | 91.20 | (61.80) | 70.90 | (430.60) |
| Income from Continuing Operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Income from Discontinued Operations, net | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cumulative effect of accounting changes, net of tax benefit | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net Income (Loss) Available to Common Shareholders | 8,563.00 | 8,223.00 | 8,468.80 | 6,177.40 | 7,545.20 | 4,730.50 | 6,025.40 | 5,924.30 | 5,192.30 | 4,686.50 |
| Basic:Continuing operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Basic:Discontinued operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Basic:Cumulative effect of accounting change | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net income per common share | 12.00 | 11.45 | 11.63 | 8.39 | 10.11 | 6.35 | 7.95 | 7.61 | 6.43 | 5.49 |
| Diluted:Continuing operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Diluted:Discontinued operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Diluted:Cumulative effect of accounting change | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net income per common share-Diluted | 11.95 | 11.39 | 11.56 | 8.33 | 10.04 | 6.31 | 7.88 | 7.54 | 6.37 | 5.44 |
| Weighted-average shares outstanding-basic | 713.40 | 718.30 | 727.90 | 736.50 | 746.30 | 744.60 | 758.10 | 778.20 | 807.40 | 854.40 |
| Weighted-average shares outstanding-diluted | 716.40 | 721.90 | 732.30 | 741.30 | 751.80 | 750.10 | 764.90 | 785.60 | 815.50 | 861.20 |