Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Consolidated Statements of Operations and Comprehensive Income (Loss) [Abstract]
Revenue	$ 2,077	$ 1,900	$ 1,755
Cost of services rendered and products sold	1,178	1,041	962
Selling and administrative expenses	578	555	500
Amortization expense	29	18	18
Acquisition-related costs	17	5
Termite damage claims reserve adjustment	53
401(k) Plan corrective contribution			(3)
Fumigation related matters		3	4
Impairment of software and other related costs	0	0	2
(Gain) loss on investment in frontdoor, inc.	(40)	249
Restructuring and other charges	17	17	21
Interest expense	87	133	150
Interest and net investment income	(6)	(5)	(2)
Loss on extinguishment of debt	8	10	6
Income (Loss) from Continuing Operations before Income Taxes	156	(126)	99
Provision (benefit) for income taxes	27	37	(242)
Income (Loss) from Continuing Operations	129	(163)	341
(Loss) gain from discontinued operations, net of income taxes	(1)	122	169
Net Income (Loss)	128	(41)	510
Other Comprehensive Income (Loss), Net of Income Taxes:
Net unrealized gains (losses) on securities			1
Net unrealized (losses) gains on derivative instruments	(6)	1	4
Foreign currency translation gain (loss)	10	(3)	3
Other Comprehensive Income (Loss), Net of Income Taxes	4	(3)	8
Total Comprehensive Income (Loss)	$ 132	$ (44)	$ 518
Weighted-average common shares outstanding - Basic	135.8	135.5	134.4
Weighted-average common shares outstanding - Diluted	136.2	135.5	135.4
Basic Earnings Per Share:
Income (Loss) from Continuing Operations (in dollars per share)	$ 0.95	$ (1.20)	$ 2.54
(Loss) gain from discontinued operations, net of income taxes (in dollars per share)	(0.01)	0.90	1.26
Net Income (Loss) (in dollars per share)	0.94	(0.30)	3.79
Diluted Earnings Per Share:
Income (Loss) from Continuing Operations (in dollars per share)	0.95	(1.20)	2.52
(Loss) gain from discontinued operations, net of income taxes (in dollars per share)	(0.01)	0.90	1.25
Net Income (Loss) (in dollars per share)	$ 0.94	$ (0.30)	$ 3.76