Percentage of voting equity interests acquired at the acquisition date in the business combination.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Equity (Details) - $ / shares	3 Months Ended		6 Months Ended
Equity (Details) - $ / shares	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Dec. 31, 2017	Jul. 03, 2017
Class of Stock [Line Items]
Preferred stock authorized (in shares)	50,000,000		50,000,000
Common stock par value (in dollars per share)	$ 0.0001		$ 0.0001
Common Class A
Class of Stock [Line Items]
Common stock authorized (in shares)	2,000,000,000		2,000,000,000
Common stock par value (in dollars per share)	$ 0.0001		$ 0.0001
Common stock outstanding (in shares)	412,000,000		412,000,000
Common Class B
Class of Stock [Line Items]
Common stock authorized (in shares)	1,250,000,000.00		1,250,000,000.00
Common stock par value (in dollars per share)	$ 0.0001		$ 0.0001
Common stock outstanding (in shares)	688,000,000		688,000,000
GE Transaction Agreement \| General Electric Company
Class of Stock [Line Items]
Approximate interest to be acquired	62.50%		62.50%		62.50%
GE Transaction Agreement \| General Electric Company \| Common Class B
Class of Stock [Line Items]
Approximate interest to be acquired				62.50%
Cash Dividend \| Common Class A
Class of Stock [Line Items]
Cash dividends per share (in dollars per share)	$ 0.18		$ 0.36