Summary of Significant Accounting Policies - Intangible Assets (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Amortization of purchased intangibles	$ 329	$ 353	$ 376
Accumulated amortization on intangible assets	$ 1,800	$ 1,480
Distribution and customer relationships
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life	10 years
Technology-Based Intangible Assets
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life	5 years
Other Intangible Assets
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible asset, useful life	5 years