Goodwill and Other Intangible Assets - Other Intangible Rollforward (Details) $ in Millions	3 Months Ended
Mar. 31, 2019 USD ($)
Finite-lived Intangible Assets [Roll Forward]
Other intangible assets balance at December 31, 2018	$ 10,462
Acquisitions	9
Foreign currency translation	12
Amortization of other intangible assets	(77)
Other intangible assets balance at March 31, 2019	$ 10,406

Intangible Assets Excluding Goodwill Acquired

No definition available.

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- Definition

Intangible Assets Excluding Goodwill, Translation Adjustments

+ References

No definition available.

+ Details

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- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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- Definition

Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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