The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Goodwill and Intangible Assets Intangible Asset Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Totals	$ 928		$ 1,114
Amortization of intangible assets	46	$ 16
Accumulated amortization	55		$ 9
Developed and Acquired Technology
Finite-Lived Intangible Assets [Line Items]
Totals	137
Accumulated amortization	43
Trade Names
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization	$ 12