Goodwill and Purchased Intangible Assets - Purchased Intangible Assets (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 2,352	$ 2,350
Accumulated Amortization	(1,247)	(1,205)
Reseller & customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,103	1,103
Accumulated Amortization	$ (482)	(463)
Reseller & customer relationships | Minimum
Finite-Lived Intangible Assets [Line Items]
Amortization Period (in Years)	1 year
Reseller & customer relationships | Maximum
Finite-Lived Intangible Assets [Line Items]
Amortization Period (in Years)	20 years
Intellectual property
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,030	1,030
Accumulated Amortization	$ (577)	(558)
Intellectual property | Minimum
Finite-Lived Intangible Assets [Line Items]
Amortization Period (in Years)	2 years
Intellectual property | Maximum
Finite-Lived Intangible Assets [Line Items]
Amortization Period (in Years)	8 years
Customer contracts
Finite-Lived Intangible Assets [Line Items]
Amortization Period (in Years)	8 years
Gross Carrying Amount	$ 89	89
Accumulated Amortization	(89)	(89)
Tradenames
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	130	128
Accumulated Amortization	$ (99)	$ (95)
Tradenames | Minimum
Finite-Lived Intangible Assets [Line Items]
Amortization Period (in Years)	1 year
Tradenames | Maximum
Finite-Lived Intangible Assets [Line Items]
Amortization Period (in Years)	10 years