Segment Information - Schedule of Products and Services (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Net Sales from External Customer [Line Items]
Net sales	$ 5,976.6	$ 5,423.4	$ 11,175.7	$ 10,296.1
Percentage of Total Net Sales	100.00%	100.00%	100.00%	100.00%
Notebooks/Mobile Devices
Net Sales from External Customer [Line Items]
Net sales	$ 1,577.1	$ 1,438.2	$ 2,924.8	$ 2,579.5
Percentage of Total Net Sales	26.40%	26.50%	26.20%	25.10%
Netcomm Products
Net Sales from External Customer [Line Items]
Net sales	$ 740.0	$ 639.6	$ 1,287.5	$ 1,209.5
Percentage of Total Net Sales	12.40%	11.80%	11.50%	11.70%
Collaboration
Net Sales from External Customer [Line Items]
Net sales	$ 466.9	$ 489.3	$ 869.7	$ 904.6
Percentage of Total Net Sales	7.80%	9.00%	7.80%	8.80%
Data Storage and Servers
Net Sales from External Customer [Line Items]
Net sales	$ 641.2	$ 546.6	$ 1,161.8	$ 1,087.2
Percentage of Total Net Sales	10.70%	10.10%	10.40%	10.60%
Desktops
Net Sales from External Customer [Line Items]
Net sales	$ 363.0	$ 295.5	$ 710.1	$ 553.9
Percentage of Total Net Sales	6.10%	5.40%	6.40%	5.40%
Other Hardware
Net Sales from External Customer [Line Items]
Net sales	$ 653.8	$ 652.7	$ 1,232.4	$ 1,273.3
Percentage of Total Net Sales	10.90%	12.10%	11.00%	12.30%
Total Hardware
Net Sales from External Customer [Line Items]
Net sales	$ 4,442.0	$ 4,061.9	$ 8,186.3	$ 7,608.0
Percentage of Total Net Sales	74.30%	74.90%	73.30%	73.90%
Software
Net Sales from External Customer [Line Items]
Net sales	$ 990.2	$ 855.6	$ 1,938.5	$ 1,730.0
Percentage of Total Net Sales	16.60%	15.80%	17.30%	16.80%
Services
Net Sales from External Customer [Line Items]
Net sales	$ 515.2	$ 478.4	$ 994.5	$ 904.2
Percentage of Total Net Sales	8.60%	8.80%	8.90%	8.80%
Other
Net Sales from External Customer [Line Items]
Net sales	$ 29.2	$ 27.5	$ 56.4	$ 53.9
Percentage of Total Net Sales	0.50%	0.50%	0.50%	0.50%