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		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Jun. 30, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Totals	$ 841		$ 841			$ 1,114
Amortization of intangible assets	38	$ 17	124	$ 49
Accumulated amortization	133		133			$ 9
Developed and Acquired Technology
Finite-Lived Intangible Assets [Line Items]
Totals					$ 159
Accumulated amortization	101		101
Trade Names
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization	$ 32		$ 32