Consolidated Balance Sheets (Parenthetical) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Mortgage servicing rights at fair value	$ 3,485,000,000
Advances and other receivables, Reserves	20,000,000
Reverse mortgage interests, Reserves	1,000,000
Mortgage loans held for investment, fair value	122,000,000
Accumulated depreciation	$ 9,000,000
Preferred stock, par value (in dollars per share)	$ 0.00001
Preferred stock, shares authorized	10,000,000
Preferred stock, shares issued	1,000,000
Preferred stock, shares outstanding	1,000,000
Preferred stock, liquidation preference	$ 10
Common stock, par value (in dollars per share)	$ 0.01
Common stock, shares authorized	300,000,000
Common stock, shares issued	90,800,000
Treasury Shares	0
Predecessor
Mortgage servicing rights at fair value		$ 2,937,000,000
Advances and other receivables, Reserves		284,000,000
Reverse mortgage interests, Reserves		115,000,000
Mortgage loans held for investment, fair value		0
Accumulated depreciation		$ 169,000,000
Preferred stock, par value (in dollars per share)		$ 0.01
Preferred stock, shares authorized		300,000,000
Preferred stock, shares issued		0
Preferred stock, shares outstanding		0
Preferred stock, liquidation preference		$ 0
Common stock, par value (in dollars per share)		$ 0.01
Common stock, shares authorized		1,000,000,000
Common stock, shares issued		109,900,000
Treasury Shares		12,187,000