Acquisition (Recognized Amounts of Identified Assets Acquired and Liabilities Assumed) (Details) - USD ($) $ in Millions	Jun. 01, 2018	Sep. 30, 2018	Dec. 31, 2017
Goodwill		$ 1,930	$ 1,694
Optical Communications [Member]
Goodwill		917	671
Display Technologies [Member]
Goodwill		$ 132	$ 136
3M Communications Market Division [Member]
Fixed assets	$ 32
Other net assets	5
Other intangible assets	511
Net tangible and intangible assets	548
Purchase price	801
Goodwill	$ 253

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of assets acquired at the acquisition date.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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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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