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Segment Information - Products and Services (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Net Sales from External Customer [Line Items] |  |  |
Net sales | $ 20,820.8 | $ 18,467.5 | $ 18,032.4
Percentage of Total Net Sales | 100.00% | 100.00% | 100.00%
Notebooks/Mobile Devices |  |  |
Net Sales from External Customer [Line Items] |  |  |
Net sales | $ 6,659.4 | $ 5,486.2 | $ 4,344.9
Percentage of Total Net Sales | 32.00% | 29.70% | 24.10%
Netcomm Products |  |  |
Net Sales from External Customer [Line Items] |  |  |
Net sales | $ 1,950.9 | $ 1,955.0 | $ 2,189.1
Percentage of Total Net Sales | 9.40% | 10.60% | 12.10%
Desktops |  |  |
Net Sales from External Customer [Line Items] |  |  |
Net sales | $ 1,203.6 | $ 1,132.4 | $ 1,547.3
Percentage of Total Net Sales | 5.80% | 6.10% | 8.60%
Video |  |  |
Net Sales from External Customer [Line Items] |  |  |
Net sales | $ 1,605.0 | $ 1,190.8 | $ 1,272.9
Percentage of Total Net Sales | 7.70% | 6.40% | 7.10%
Enterprise and Data Storage (Including Drives) |  |  |
Net Sales from External Customer [Line Items] |  |  |
Net sales | $ 992.1 | $ 947.4 | $ 1,147.6
Percentage of Total Net Sales | 4.80% | 5.10% | 6.40%
Other Hardware |  |  |
Net Sales from External Customer [Line Items] |  |  |
Net sales | $ 4,358.6 | $ 4,121.6 | $ 3,980.4
Percentage of Total Net Sales | 20.90% | 22.30% | 22.10%
Total Hardware |  |  |
Net Sales from External Customer [Line Items] |  |  |
Net sales | $ 16,769.6 | $ 14,833.4 | $ 14,482.2
Percentage of Total Net Sales | 80.60% | 80.20% | 80.40%
Software |  |  |
Net Sales from External Customer [Line Items] |  |  |
Net sales | $ 2,802.4 | $ 2,581.0 | $ 2,585.0
Percentage of Total Net Sales | 13.50% | 14.00% | 14.30%
Services |  |  |
Net Sales from External Customer [Line Items] |  |  |
Net sales | $ 1,126.1 | $ 913.9 | $ 840.9
Percentage of Total Net Sales | 5.40% | 4.90% | 4.70%
Other |  |  |
Net Sales from External Customer [Line Items] |  |  |
Net sales | $ 122.7 | $ 139.2 | $ 124.3
Percentage of Total Net Sales | 0.50% | 0.90% | 0.60%

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