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Amount of billed or unbilled claims or other similar items subject to uncertainty concerning their determination or ultimate realization under long-term contracts.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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Amount of damages awarded to the plaintiff in the legal matter.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
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-Topic 450
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The value (monetary amount) of the award the plaintiff seeks in the legal matter.

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The total number of new claims filed pertaining to a loss contingency during the period.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
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The amount of cash paid for the settlement of litigation or for other legal issues during the period.

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-Publisher FASB
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-SubTopic 10
-Section 45
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Contingencies and Commitments - Narrative (Details) $ in Millions, $ in Millions			6 Months Ended	9 Months Ended	12 Months Ended
	Aug. 01, 2019 USD ($)	Dec. 13, 2016 AUD ($)	Jun. 30, 2019 USD ($)	Sep. 30, 2019 USD ($)	Dec. 31, 2018 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Number of actions filed				2
Damages sought		$ 1,470
Damages awarded	$ 30		$ (18)	$ (31)
Contracts receivable				205	$ 166
Amount of disputed back charges				$ 2	$ 18