Revenues (Disaggregation Of Revenue) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Disaggregation of Revenue [Line Items]
Revenues	$ 2,077	$ 1,900	$ 1,755
Corporate Non-Segment [Member]
Disaggregation of Revenue [Line Items]
Revenues	1	1	2
Residential Pest Control [Member]
Disaggregation of Revenue [Line Items]
Revenues	704	645	603
Commercial Pest Control [Member]
Disaggregation of Revenue [Line Items]
Revenues	399	327	265
Termite and Home Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	567	549	540
Royalty Fees [Member]
Disaggregation of Revenue [Line Items]
Revenues	133	132	127
Commercial Clearing And Other National Accounts [Member]
Disaggregation of Revenue [Line Items]
Revenues	73	65	53
Sales of Products and Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	138	132	113
Fumigation [Member]
Disaggregation of Revenue [Line Items]
Revenues	40	50	53
European Pest Control [Member]
Disaggregation of Revenue [Line Items]
Revenues	21
Terminix [Member]
Disaggregation of Revenue [Line Items]
Revenues	1,798	1,655	1,541
Terminix [Member] | Residential Pest Control [Member]
Disaggregation of Revenue [Line Items]
Revenues	704	645	603
Terminix [Member] | Commercial Pest Control [Member]
Disaggregation of Revenue [Line Items]
Revenues	399	327	265
Terminix [Member] | Termite and Home Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	567	549	540
Terminix [Member] | Sales of Products and Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	88	84	81
Terminix [Member] | Fumigation [Member]
Disaggregation of Revenue [Line Items]
Revenues	40	50	53
ServiceMaster Brands [Member]
Disaggregation of Revenue [Line Items]
Revenues	257	244	212
ServiceMaster Brands [Member] | Royalty Fees [Member]
Disaggregation of Revenue [Line Items]
Revenues	133	132	127
ServiceMaster Brands [Member] | Commercial Clearing And Other National Accounts [Member]
Disaggregation of Revenue [Line Items]
Revenues	73	65	53
ServiceMaster Brands [Member] | Sales of Products and Other [Member]
Disaggregation of Revenue [Line Items]
Revenues	50	48	32
Corporate And Other Operations [Member]
Disaggregation of Revenue [Line Items]
Revenues	22	1	2
Corporate And Other Operations [Member] | Corporate Non-Segment [Member]
Disaggregation of Revenue [Line Items]
Revenues	1	$ 1	$ 2
Corporate And Other Operations [Member] | European Pest Control [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 21