Amount of annual volume incentives provided to real estate franchisees

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Brand Marketing Fund Revenue

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- Definition

Amount of domestic initial franchise fees and international area development fees.

+ References

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The number of offices.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The total expense recognized in the period for promotion, public relations, and brand or product advertising.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.4)
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

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- Definition

Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.3)
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

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Franchising and Marketing Activities (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($) Brokerage_Offices	Dec. 31, 2018 USD ($) franchisedandcompanyownedoffices	Dec. 31, 2017 USD ($) franchisedandcompanyownedoffices	Dec. 31, 2019 franchisedandcompanyownedoffices	Dec. 31, 2016 franchisedandcompanyownedoffices
Franchisor Disclosure [Line Items]
Initial franchise and area development fees \| $	$ 9	$ 6	$ 8
Annual volume incentives from Real Estate Franchisees \| $	50	52	62
Brand Marketing Fund Revenue \| $	90	$ 86	$ 87
Franchised (domestic and international):
Franchisor Disclosure [Line Items]
Number of offices		15,830	14,039	17,776	13,314
Franchised (domestic and international): \| Century 21®
Franchisor Disclosure [Line Items]
Number of offices		9,637	7,973	11,640
Franchised (domestic and international): \| ERA®
Franchisor Disclosure [Line Items]
Number of offices		2,331	2,298	2,301
Franchised (domestic and international): \| Coldwell Banker®
Franchisor Disclosure [Line Items]
Number of offices		2,380	2,330	2,323
Franchised (domestic and international): \| Coldwell Banker Commercial®
Franchisor Disclosure [Line Items]
Number of offices		171	180	159
Franchised (domestic and international): \| Sotheby’s International Realty®
Franchisor Disclosure [Line Items]
Number of offices		949	905	962
Franchised (domestic and international): \| Better Homes and Gardens® Real Estate
Franchisor Disclosure [Line Items]
Number of offices		362	353	391
Company owned:
Franchisor Disclosure [Line Items]
Royalty expense \| $	(282)	$ (295)	$ (299)
Marketing and Advertising Expense \| $	$ (11)	$ (11)	$ (12)
Number of offices	710	755	789	713	789
Company owned: \| Coldwell Banker®
Franchisor Disclosure [Line Items]
Number of offices		672	707	634
Company owned: \| Sotheby’s International Realty®
Franchisor Disclosure [Line Items]
Number of offices		41	41	37
Company owned: \| Corcoran®/Other
Franchisor Disclosure [Line Items]
Number of offices		42	41	42