Condensed Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Condensed Consolidated Statements of Operations and Comprehensive Income [Abstract]
Revenue	$ 528	$ 496	$ 1,570	$ 1,443
Cost of services rendered and products sold	305	278	869	776
Selling and administrative expenses	149	146	436	417
Amortization expense	7	6	19	14
Acquisition-related costs	8	1	12	2
Fumigation related matters		1		1
Restructuring and other charges	5	1	15	13
Realized (gain) on investment in frontdoor, inc.			(40)
Interest expense	19	33	64	107
Interest and net investment income	(1)	(3)	(5)	(4)
Loss on extinguishment of debt		10	6	10
Income from Continuing Operations before Income Taxes	35	25	193	107
Provision for income taxes	9	7	39	32
Income from Continuing Operations	26	18	155	74
Gain (loss) from discontinued operations, net of income taxes		53	(1)	133
Net Income	25	71	154	207
Total Comprehensive Income	$ 18	$ 74	$ 141	$ 224
Weighted-average common shares outstanding - Basic	135.8	135.6	135.9	135.4
Weighted-average common shares outstanding - Diluted	136.5	136.0	136.5	135.8
Basic Earnings Per Share:
Income from Continuing Operations (in dollars per share)	$ 0.19	$ 0.13	$ 1.14	$ 0.55
Gain (loss) from discontinued operations, net of income taxes (in dollars per share)		0.39		0.98
Net Income (in dollars per share)	0.19	0.52	1.13	1.53
Diluted Earnings Per Share:
Income from Continuing Operations (in dollars per share)	0.19	0.13	1.13	0.55
Gain (loss) from discontinued operations, net of income taxes (in dollars per share)		0.39		0.98
Net Income (in dollars per share)	$ 0.19	$ 0.52	$ 1.13	$ 1.52