CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Statement of Comprehensive Income [Abstract]
Net loss	$ (194)	$ (193)	$ (131)
Other comprehensive income, net of tax:
Change in unfunded pension liability, net	1	0	1
Total other comprehensive income, net of tax	1	0	1
Total comprehensive loss	(193)	(193)	(130)
Less: comprehensive income attributable to noncontrolling interest	23	9	14
Comprehensive loss attributable to PHH Corporation	$ (216)	$ (202)	$ (144)