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Note 2. Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Minimum ownership percentage for consolidation	50.00%
Restricted cash	$ 7	$ 7
Advertising Expense	211	198	$ 194
Goodwill	3,710	$ 3,690	$ 3,618	$ 3,477
Indefinite-Lived Intangible Assets (Excluding Goodwill)	$ 767
Percentage by which the estimated fair value of each reporting unit is lowered during goodwill evaluation	10.00%	10.00%	10.00%
Maximum
Remaining maturity of highly-liquid investments	3 months

X

- Definition

The minimum ownership percentage of outstanding voting shares of an entity for which the Company consolidates an entity not deemed a VIE.

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The percentage by which the estimated fair value of each reporting unit is lowered to evaluate the impact on goodwill.

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The maximum remaining maturity that a highly-liquid investment may have at the date of purchase to be considered a cash equivalent.

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 720
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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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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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Amount of cash restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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