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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			6 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Schedule of Equity Method Investments [Line Items]
Carrying value of equity method investments	$ 56			$ 56		$ 74
Proceeds from investments in unconsolidated entities				19	$ 0
Equity losses from equity method investment	(2)		$ 0	2	3
Dividends received from unconsolidated entities				1	2
Payments to Acquire Equity Method Investments				15	$ 3
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	$ 48			$ 48		$ 48
Payments to Acquire Equity Method Investments		$ 4