Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2018

Quarterly Financial Information Disclosure [Abstract]

Schedule of Supplementary Data

The unaudited quarterly consolidated results of operations are summarized in the tables below.

	Predecessor									Successor
	Quarter ended March 31, 2018			Quarter ended June 31, 2018			For the Period July 1 - July 31, 2018			For the Period August 1 - September 30, 2018			Quarter ended December 31, 2018
Service related revenue, net	$	464		$	317		$	120		$	259		$	159
Net gain on mortgage loans held for sale	124			127			44			83			93
Total revenues	588			444			164			342			252
Total expenses	364			339			242			275			432
Total other income (expense), net	(18		)	(26		)	(5		)	(26		)	2
Income (loss) before income tax expense (benefit)	206			79			(83		)	41			(178		)
Less: Income tax expense (benefit)	46			21			(19		)	(979		)	(42		)
Net income (loss)	160			58			(64		)	1,020			(136		)
Less: Net income attributable to non-controlling interests	—			—			—			—			—
Net income (loss) attributable to Predecessor/Successor	160			58			(64		)	1,020			(136		)
Less: Undistributed earnings attributable to participating stockholders(1)	—			—			—			9			—
Net income (loss) attributable to common stockholders	$	160		$	58		$	(64	)	$	1,011		$	(136	)
Net income (loss) per common share attributable to Predecessor/Successor:
Basic	$	1.63		$	0.59		$	(0.65	)	$	11.13		$	(1.50	)
Diluted	$	1.61		$	0.59		$	(0.65	)	$	10.99		$	(1.50	)

⁽¹⁾  Undistributed earnings allocated to participating securities and earnings per share are computed independently for each period. Accordingly, the sum of each quarterly amount may not agree to the year-to-date total.

	Predecessor
	Year Ended December 31, 2017
	First Quarter			Second Quarter			Third Quarter			Fourth Quarter
Service related revenue, net	$	283		$	213		$	252		$	295
Net gain on mortgage loans held for sale	144			167			154			142
Total revenues	427			380			406			437
Total expenses	372			369			368			366
Total other income (expense), net	(52		)	(40		)	(26		)	(13		)
Income (loss) before income tax expense (benefit)	3			(29		)	12			58
Less: Income tax expense (benefit)	1			(10		)	5			17
Net income (loss)	2			(19		)	7			41
Less: Net income (loss) attributable to non-controlling interests	—			1			—			—
Net income (loss) attributable to Nationstar	$	2		$	(20	)	$	7		$	41
Net income (loss) per common share attributable to Predecessor:
Basic	$	0.02		$	(0.20	)	$	0.07		$	0.42
Diluted	$	0.02		$	(0.20	)	$	0.07		$	0.41