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Dividends received on equity and other investments during the current period.

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Basis Of Presentation Equity Method Investments (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2018	Mar. 31, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Schedule of Equity Method Investments [Line Items]
Carrying value of equity method investments	$ 53			$ 53		$ 74
Proceeds from investments in unconsolidated entities				19	$ 0
Equity losses from equity method investment	1		$ (10)	3	(7)
Dividends received from unconsolidated entities				3	24
Payments to Acquire Equity Method Investments				15	34
PHH Home Loans
Schedule of Equity Method Investments [Line Items]
Carrying value of equity method investments	0			0		19
Guaranteed Rate Affinity
Schedule of Equity Method Investments [Line Items]
Carrying value of equity method investments	$ 46			$ 46		$ 48
Payments to Acquire Equity Method Investments		$ 4			$ 34