Basis of Presentation (Narrative) (Details) - frontdoor, inc. [Member]		9 Months Ended
	Oct. 01, 2018	Sep. 30, 2018 item shares
Pro rata dividend to the Company's stockholders, percent of outstanding shares of common stock	80.20%
Number of shares of Parent common stock exchanged for shares of Spinoff Company | item		2
Distributed shares of common stock		67,781,527
Shares of common stock retained by Company		16,734,092
Percent of common stock retained by Company		19.80%