Consolidated Statements of Stockholders' Equity - USD ($) $ in Millions	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings (Accumulated Deficit) [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Shares Member]	Total
Balance, shares at Dec. 31, 2016	144,000,000				(9,000,000)
Balance, value at Dec. 31, 2016	$ 2	$ 2,274	$ (1,405)	$ (3)	$ (182)	$ 686
Net income			510			510
Other comprehensive income (loss), net of tax				8		8
Total Comprehensive Income (Loss)			510	8		518
Issuance of common stock, value		2				2
Exercise of stock options, shares	2,000,000
Exercise of stock options, value		28				28
Stock-based employee compensation		18				18
Repurchase of common stock, shares					(2,000,000)
Repurchase of common stock, value					$ (85)	(85)
Balance, shares at Dec. 31, 2017	147,000,000				(12,000,000)
Balance at Dec. 31, 2017	$ 2	2,321	(895)	5	$ (267)	1,167
Net income			(41)			(41)
Other comprehensive income (loss), net of tax				(3)		(3)
Total Comprehensive Income (Loss)			(41)	(3)		(44)
Cumulative effect of accounting changes			14	2		16
Net assets distributed to frontdoor, inc.		(35)	1,078			1,043
Exercise of stock options, value		6				6
Stock-based employee compensation		16				16
Balance, shares at Dec. 31, 2018	147,000,000				(12,000,000)
Balance at Dec. 31, 2018	$ 2	2,309	156	5	$ (267)	$ 2,204
Treasury Stock, Shares at Dec. 31, 2018						(11,522,370)
Net income			128			$ 128
Other comprehensive income (loss), net of tax				4		4
Total Comprehensive Income (Loss)			128	4		132
Cumulative effect of accounting changes			3			3
Issuance of common stock, value		1				1
Net assets distributed to frontdoor, inc.			4			4
Exercise of stock options, value		10				10
Stock-based employee compensation		15				15
Repurchase of common stock, shares					(1,000,000)
Repurchase of common stock, value					$ (47)	(47)
Balance, shares at Dec. 31, 2019	148,000,000
Balance at Dec. 31, 2019	$ 2	$ 2,334	$ 291	$ 9	$ (313)	$ 2,322
Treasury Stock, Shares at Dec. 31, 2019					(12,000,000)	(12,464,905)