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Note 6. Property and Equipment, Net Property and Equipment, Net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 968	$ 915
Less: accumulated depreciation	(664)	(626)
Property and equipment, net	304	289	$ 267
Depreciation and amortization expense	98	96	$ 89
Furniture, fixtures and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	274	281
Capitalized software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	401	366
Building and leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	290	265
Land
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 3	$ 3

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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