XML 136 R59.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Acquisitions - Aggregate Purchase Price (Details)
$ / shares in Units, shares in Millions, $ in Millions
Oct. 10, 2018
Aug. 01, 2018
USD ($)
$ / shares
shares
Jul. 31, 2018
$ / shares
Business Acquisition [Line Items]      
Reverse stock split ratio 0.0833    
Nationstar Mortgage Holdings Inc.      
Business Acquisition [Line Items]      
Converted WMIH common shares (in shares) | shares   394  
Price per share (in dollars per share) | $ / shares   $ 1.398  
Purchase price from common stock issued   $ 551  
Purchase price from cash payment   1,226  
Total purchase price   $ 1,777  
WMIH Corp And Wand Merger Corporation      
Business Acquisition [Line Items]      
Reverse stock split ratio     0.0833
Share price | $ / shares     $ 1.398