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v3.22.2.2

Segment Information - Disaggregation of Revenue (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 6,215.5 | $ 5,300.0 | $ 18,310.4 | $ 15,283.9
Percentage of Total Net Sales | 100.00% | 100.00% | 100.00% | 100.00%
Corporate |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 2,577.8 | $ 2,067.3 | $ 7,866.1 | $ 5,856.2
Small Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 491.2 | 467.1 | 1,515.2 | 1,382.7
Public |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 2,424.3 | 2,153.9 | 6,700.3 | 6,156.3
Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 722.2 | 611.7 | 2,228.8 | 1,888.7
Transferred at a point in time where CDW is principal |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 5,485.3 | 4,813.0 | 16,251.0 | 13,990.7
Transferred at a point in time where CDW is principal | Corporate |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 2,216.3 | 1,851.0 | 6,833.4 | 5,267.9
Transferred at a point in time where CDW is principal | Small Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 438.4 | 434.6 | 1,374.6 | 1,288.2
Transferred at a point in time where CDW is principal | Public |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 2,189.4 | 1,984.8 | 6,062.1 | 5,764.2
Transferred at a point in time where CDW is principal | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 641.2 | 542.6 | 1,980.9 | 1,670.4
Transferred at a point in time where CDW is agent |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 382.3 | 288.8 | 1,051.5 | 760.9
Transferred at a point in time where CDW is agent | Corporate |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 194.3 | 135.6 | 547.2 | 368.6
Transferred at a point in time where CDW is agent | Small Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 36.3 | 27.8 | 104.0 | 80.6
Transferred at a point in time where CDW is agent | Public |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 129.5 | 109.1 | 329.3 | 252.2
Transferred at a point in time where CDW is agent | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 22.2 | 16.3 | 71.0 | 59.5
Transferred over time where CDW is principal |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 347.9 | 198.2 | 1,007.9 | 532.3
Transferred over time where CDW is principal | Corporate |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 167.2 | 80.7 | 485.5 | 219.7
Transferred over time where CDW is principal | Small Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 16.5 | 4.7 | 36.6 | 13.9
Transferred over time where CDW is principal | Public |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 105.4 | 60.0 | 308.9 | 139.9
Transferred over time where CDW is principal | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 58.8 | 52.8 | 176.9 | 158.8
Corporate |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 2,577.8 | 2,067.3 | 7,866.1 | 5,856.2
Corporate | Corporate |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 2,577.8 | 2,067.3 | 7,866.1 | 5,856.2
Corporate | Small Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Corporate | Public |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Corporate | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Small Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 491.2 | 467.1 | 1,515.2 | 1,382.7
Small Business | Corporate |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Small Business | Small Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 491.2 | 467.1 | 1,515.2 | 1,382.7
Small Business | Public |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Small Business | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Government |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 788.4 | 568.8 | 1,941.8 | 1,598.3
Government | Corporate |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Government | Small Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Government | Public |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 788.4 | 568.8 | 1,941.8 | 1,598.3
Government | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Education |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 1,021.1 | 1,103.6 | 2,965.2 | 3,159.0
Education | Corporate |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Education | Small Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Education | Public |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 1,021.1 | 1,103.6 | 2,965.2 | 3,159.0
Education | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Healthcare |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 614.8 | 481.5 | 1,793.3 | 1,399.0
Healthcare | Corporate |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Healthcare | Small Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Healthcare | Public |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 614.8 | 481.5 | 1,793.3 | 1,399.0
Healthcare | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 722.2 | 611.7 | 2,228.8 | 1,888.7
Other | Corporate |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Other | Small Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Other | Public |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Other | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 722.2 | 611.7 | 2,228.8 | 1,888.7
Hardware |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 4,812.7 | $ 4,263.7 | $ 14,216.7 | $ 12,460.3
Percentage of Total Net Sales | 77.50% | 80.50% | 77.60% | 81.40%
Hardware | Corporate |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 1,958.1 | $ 1,641.2 | $ 5,931.0 | $ 4,648.6
Hardware | Small Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 399.5 | 400.7 | 1,262.7 | 1,185.3
Hardware | Public |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 1,921.4 | 1,747.3 | 5,364.8 | 5,180.5
Hardware | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 533.7 | 474.5 | 1,658.2 | 1,445.9
Notebooks/Mobile Devices |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 1,592.6 | $ 1,641.6 | $ 5,070.0 | $ 4,944.3
Percentage of Total Net Sales | 25.60% | 31.00% | 27.70% | 32.30%
Netcomm Products |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 721.0 | $ 501.7 | $ 1,912.6 | $ 1,442.2
Percentage of Total Net Sales | 11.60% | 9.50% | 10.40% | 9.40%
Desktops |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 333.9 | $ 316.1 | $ 1,021.5 | $ 873.5
Percentage of Total Net Sales | 5.40% | 6.00% | 5.60% | 5.70%
Video |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 441.4 | $ 424.0 | $ 1,453.9 | $ 1,161.7
Percentage of Total Net Sales | 7.10% | 8.00% | 7.90% | 7.60%
Enterprise and Data Storage (Including Drives) |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 376.9 | $ 228.1 | $ 1,053.9 | $ 730.2
Percentage of Total Net Sales | 6.10% | 4.30% | 5.80% | 4.80%
Other Hardware |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 1,346.9 | $ 1,152.2 | $ 3,704.8 | $ 3,308.4
Percentage of Total Net Sales | 21.70% | 21.70% | 20.20% | 21.60%
Software |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 884.2 | $ 717.7 | $ 2,603.6 | $ 1,959.2
Percentage of Total Net Sales | 14.20% | 13.50% | 14.20% | 12.80%
Software | Corporate |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 355.1 | $ 279.3 | $ 1,177.9 | $ 813.9
Software | Small Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 62.4 | 50.2 | 177.2 | 148.7
Software | Public |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 346.8 | 312.9 | 888.8 | 745.4
Software | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 119.9 | 75.3 | 359.7 | 251.2
Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 486.9 | $ 286.9 | $ 1,394.0 | $ 772.4
Percentage of Total Net Sales | 7.80% | 5.40% | 7.60% | 5.10%
Services | Corporate |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 245.8 | $ 128.5 | $ 700.0 | $ 342.0
Services | Small Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 24.0 | 10.4 | 58.9 | 31.9
Services | Public |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 151.1 | 89.2 | 432.6 | 217.2
Services | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 66.0 | 58.8 | 202.5 | 181.3
Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 31.7 | $ 31.7 | $ 96.1 | $ 92.0
Percentage of Total Net Sales | 0.50% | 0.60% | 0.60% | 0.70%
Other | Corporate |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 18.8 | $ 18.3 | $ 57.2 | $ 51.7
Other | Small Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 5.3 | 5.8 | 16.4 | 16.8
Other | Public |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 5.0 | 4.5 | 14.1 | 13.2
Other | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 2.6 | 3.1 | 8.4 | 10.3
United States |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 5,491.9 | 4,691.0 | 16,072.8 | 13,398.0
United States | Corporate |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 2,570.8 | 2,064.6 | 7,843.0 | 5,844.3
United States | Small Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 491.2 | 467.1 | 1,515.2 | 1,382.7
United States | Public |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 2,424.3 | 2,153.9 | 6,700.3 | 6,156.3
United States | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 5.6 | 5.4 | 14.3 | 14.7
Rest of World |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 723.6 | 609.0 | 2,237.6 | 1,885.9
Rest of World | Corporate |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 7.0 | 2.7 | 23.1 | 11.9
Rest of World | Small Business |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Rest of World | Public |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | 0.0 | 0.0 | 0.0 | 0.0
Rest of World | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net sales | $ 716.6 | $ 606.3 | $ 2,214.5 | $ 1,874.0

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