(Loss) Earnings Per Share (Details) (USD $) In Millions, except Share data	3 Months Ended	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
(Loss) Earnings Per Share [Abstract]
Net (loss) income attributable to PHH Corporation	$ (41)	$ (133)	$ 8	$ (125)
Weighted-average common shares outstanding - basic	56,374,448	55,547,650	56,242,221	55,293,111
Effect of potentially dilutive securities:
Share-based payment arrangements			619,926
Conversion of debt securities			897,245
Weighted-average common shares outstanding - diluted	56,374,448	55,547,650	57,759,392	55,293,111
Basic (loss) earnings per share attributable to PHH Corporation	$ (0.73)	$ (2.40)	$ 0.14	$ (2.26)
Diluted (loss) earnings per share attributable to PHH Corporation	$ (0.73)	$ (2.40)	$ 0.14	$ (2.26)
Outstanding stock-based compensation awards [Member]
Earnings (Loss) Per Share (Textuals)
Anti dilutive securities excluded from computation of earnings per share	2,000,000	2,700,000	300,000	2,700,000
2012 Convertible Notes [Member]
Earnings (Loss) Per Share (Textuals)
Anti dilutive securities excluded from computation of earnings per share	200,000

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