2019 Acquisition [Abstract]

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2019 Divestiture [Abstract]

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Gain (Loss) On Disposition Of Business, Net Of Tax

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Amount of deferred tax liability attributable to taxable temporary differences assumed at the acquisition date.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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This element represents the cash inflow during the period from the sale of a component of the entity.

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Acquisitions and Divestiture (2019 Divestiture and Acquisition) (Details) - USD ($) $ in Millions	1 Months Ended		9 Months Ended
	Mar. 31, 2019	Jan. 31, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
2019 Divestiture [Abstract]
Proceeds from divestiture of businesses			$ 0	$ 108
2019 Acquisition [Abstract]
Purchase Consideration			157	$ 193
Goodwill			$ 6,600		$ 6,366
Cinnober
2019 Acquisition [Abstract]
Purchase Consideration		$ 219
Total Net Assets Acquired		18
Total Net Deferred Tax Liability		(19)
Acquired Intangible Assets		74
Goodwill		$ 146
Disposal group disposed of by sale \| BWise
2019 Divestiture [Abstract]
Proceeds from divestiture of businesses	$ 27
Gain on divestiture of business, after tax	$ 20