Income Taxes - Income Before Income Taxes and Noncontrolling Interests (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income (Loss) Before Income Taxes and Noncontrolling Interest [Abstract]
Foreign	$ 3,164	$ 2,806	$ 2,227
Domestic	162	248	37
Income before income taxes	$ 3,326	$ 3,054	$ 2,264

The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
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-Subparagraph (SX 210.4-08.(h)(1)(i))
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- Definition

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 940
-SubTopic 20
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-Publisher FASB
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
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-Publisher FASB
-Name Accounting Standards Codification
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No definition available.

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The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

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