Goodwill and Other Intangibles (Other Intangible Narrative) (Details) € in Millions	12 Months Ended
Dec. 31, 2020 USD ($)	Dec. 31, 2020 EUR (€)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Goodwill [Line Items]
Goodwill, impairment loss	$ 0		$ 0	$ 579,000,000
Intangibles, impairment loss	0		0	168,000,000
Intangible amortization	62,000,000		$ 69,000,000	$ 75,000,000
EMEA
Goodwill [Line Items]
Intangibles, impairment loss	$ 7,000,000	€ 6

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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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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