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Goodwill and Other Intangible Assets (Carrying Amount of Goodwill by Segment) (Details) $ in Millions | 9 Months Ended
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Sep. 30, 2018 USD ($)
Balance | $ 1,694 |
Acquired goodwill | 244 | [1]
Measurement period adjustment | 11 |
Foreign currency translation adjustment | (19) |
Balance | 1,930 |
Display Technologies [Member] |  |
Balance | 136 |
Foreign currency translation adjustment | (4) |
Balance | 132 |
Optical Communications [Member] |  |
Balance | 671 |
Acquired goodwill | 242 | [1]
Measurement period adjustment | 11 |
Foreign currency translation adjustment | (7) |
Balance | 917 |
Specialty Materials [Member] |  |
Balance | 150 |
Balance | 150 |
Life Sciences [Member] |  |
Balance | 623 |
Acquired goodwill | 2 | [1]
Foreign currency translation adjustment | (6) |
Balance | 619 |
All Other [Member] |  |
Balance | 114 |
Foreign currency translation adjustment | (2) |
Balance | $ 112 |
[1] | The Company completed the acquisition of 3M's Communications Market Division in the Optical Communications segment during the second quarter of 2018. Refer to Note 8 (Acquisitions) to the Consolidated Financial Statements for additional information on this acquisition.

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