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Consolidated Statements of Stockholders' Equity (Parenthetical) - USD ($) $ in Millions			3 Months Ended	12 Months Ended
	Nov. 08, 2019	Jan. 31, 2018	Sep. 30, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Amount of beneficial conversion		$ 296		$ 0	$ 296	$ 0
Dividends declared (in dollars per share)	$ 0.39			$ 1.53	$ 1.82	$ 1.44
OPIC
Amount of beneficial conversion		$ 296	$ 296

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- Definition

Non-cash Transaction, Beneficial Conversion

+ References

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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