| Fiscal period | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 |
|---|
| Period End Date | 12/31/2021 | 12/31/2020 | 12/31/2019 | 12/31/2018 | 12/31/2017 | 12/31/2016 | 12/31/2015 | 12/31/2014 | 12/31/2013 | 12/31/2012 |
|---|
| Sales | 13,022.00 | 11,797.00 | 11,486.00 | 11,221.00 | 10,425.00 | 10,137.00 | 9,973.38 | 9,964.95 | 9,437.76 | 8,950.05 |
| Total Revenues | 13,022.00 | 11,797.00 | 11,486.00 | 11,221.00 | 10,425.00 | 10,137.00 | 9,973.38 | 9,964.95 | 9,437.76 | 8,950.05 |
| Cost of Merchandise Sold | 8,302.00 | 7,559.00 | 7,089.00 | 6,873.00 | 6,327.00 | 6,022.00 | 5,741.96 | 5,650.71 | 5,301.28 | 5,033.89 |
| Gross Profit | 4,720.00 | 4,238.00 | 4,397.00 | 4,348.00 | 4,098.00 | 4,115.00 | 4,231.43 | 4,314.24 | 4,136.48 | 3,916.16 |
| Warehousing, marketing and administrative expenses | 3,173.00 | 3,219.00 | 3,135.00 | 3,190.00 | 3,063.00 | 3,002.00 | 2,931.11 | 2,967.13 | 2,839.63 | 2,785.04 |
| Restructuring charges | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Operating Earnings (Loss) | 1,547.00 | 1,019.00 | 1,262.00 | 1,158.00 | 1,035.00 | 1,113.00 | 1,300.32 | 1,347.12 | 1,296.85 | 1,131.13 |
| Interest expense | 87.00 | 93.00 | 79.00 | 82.00 | 86.00 | 76.00 | 33.57 | 10.09 | 13.23 | 16.08 |
| Write-offofinvestmentsinunconsolidatedentities | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Gain on sale of unconsolidated entity | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Equity in income of unconsolidated entities - net | -- | -- | -- | -- | -- | (31.00) | (11.74) | -- | -- | -- |
| Loss on liquidation of investment in unconsolidated entity | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Interest income | -- | -- | -- | -- | -- | 1.00 | 1.17 | 2.07 | 3.23 | 2.66 |
| Unclassified-net | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Other non-operating income | -- | -- | -- | -- | -- | -- | -- | 0.48 | 2.73 | 1.87 |
| Other non-operating expense | 25.00 | 21.00 | 26.00 | 5.00 | (13.00) | 12.00 | (5.47) | (5.19) | (2.00) | (1.78) |
| Total other expense (Non-operating) | 62.00 | 72.00 | 53.00 | 77.00 | 99.00 | (94.00) | -- | (12.73) | (9.26) | (13.34) |
| Earnings before income taxes | 1,485.00 | 947.00 | 1,209.00 | 1,081.00 | 936.00 | 1,019.00 | 1,250.71 | 1,334.39 | 1,287.60 | 1,117.79 |
| Income taxes | 371.00 | 192.00 | 314.00 | 258.00 | 313.00 | 386.00 | 465.53 | 522.09 | 479.85 | 418.94 |
| Currentprovision:Federal | -- | -- | -- | -- | -- | -- | -- | -- | -- | 324.85 |
| Currentprovision:State | -- | -- | -- | -- | -- | -- | -- | -- | -- | 40.51 |
| Currentprovision:Foreign | -- | -- | -- | -- | -- | -- | -- | -- | -- | 53.56 |
| Deferredtaxprovision(benefit):Federal | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Deferredtaxprovision(benefit):State | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Deferredtaxprovision(benefit):Foreign | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Deferred tax benefits | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0.02 |
| Earnings before cumulative effect of accounting change | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cumulative effect of accounting change | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net Earnings | 1,114.00 | 755.00 | 895.00 | 823.00 | 623.00 | 633.00 | 785.17 | 812.30 | 807.75 | 698.85 |
| Less: Net earnings attributable to noncontrolling interest | 71.00 | 60.00 | 46.00 | 41.00 | 37.00 | 27.00 | 16.18 | 10.57 | 10.71 | 8.97 |
| Distributed earnings available to participating securities | -- | -- | -- | -- | -- | 2.00 | -- | 3.15 | 3.30 | 3.64 |
| Undistributed earnings available to participating securities | -- | -- | -- | -- | -- | 3.00 | -- | 6.37 | 8.35 | 8.70 |
| Net earnings attributable to W.W. Grainger, Inc | 1,043.00 | 695.00 | 849.00 | 782.00 | 586.00 | 601.00 | 769.00 | 792.21 | 785.38 | 677.54 |
| Numerator for diluted earnings per share | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Earnings per share before cumulative effect of accounting change: Basic | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cumulative effect of accounting change: Basic | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net Earnings Per Share (Basic) | 19.94 | 12.88 | 15.39 | 13.82 | 10.07 | 9.94 | 11.69 | 11.59 | 11.31 | 9.71 |
| Earnings per share before cumulative effect of accounting change: Diluted | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cumulative effect of accounting change: Diluted | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net Earnings Per Share (Diluted) | 19.84 | 12.82 | 15.32 | 13.73 | 10.02 | 9.87 | 11.58 | 11.45 | 11.13 | 9.52 |
| Weighted Average Shares Outstanding (Basic) | 51.90 | 53.50 | 54.70 | 56.10 | 57.70 | 60.40 | 65.16 | 68.33 | 69.46 | 69.81 |
| Weighted Average Shares Outstanding (Diluted) | 52.20 | 53.70 | 54.90 | 56.50 | 58.00 | 60.80 | 65.77 | 69.21 | 70.58 | 71.18 |