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Commitments and Contingencies (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Contingencies
Future tax credits	$ 22
Deferred income taxes	13	$ 10
Indirect tax credits | Foreign | Brazil
Contingencies
Deferred income taxes	8
Indirect tax credits | Foreign | Brazil | Maximum
Contingencies
Amount of indirect tax credits expected to receive	86
Indirect tax credits | Foreign | Brazil | Minimum
Contingencies
Amount of indirect tax credits expected to receive	22
Indirect tax credits | Foreign | Brazil | Other operating income, net
Contingencies
Future tax credits	$ 22

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319

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