Basis of Presentation and Summary of Significant Accounting Policies - Narrative (Details) $ / shares in Units, £ in Millions, $ in Millions						12 Months Ended
		Aug. 01, 2019 USD ($) $ / shares shares	Jul. 31, 2019	Jan. 01, 2019 USD ($)	Jan. 01, 2018 USD ($)	Dec. 31, 2019 USD ($) country service_offering		Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2018 GBP (£)
Reorganization, conversion ratio			1
Stock issued for conversion of convertible securities (shares) | shares		100
Par value of common stock (dollars per share) | $ / shares		$ 1
Number of countries in which entity operates | country						160
Revenues						$ 9,066		$ 9,662	$ 9,991
Cumulative effect of change in accounting principles						$ 0	[1]	120
Economic life of leased product						5 years
Sustaining engineering costs						$ 62		72	90
Number of reportable segments | service_offering						1
Number of reporting units | service_offering						1
Expected return on plan assets period						2 years
Sales
Revenues	[2]					$ 3,227		3,454	3,412
Accounting Standards Update 2016-02
Lessee accounting, increase to leased assets and liabilities						385
Lessee accounting, increase to leased assets and liabilities, undiscounted						440
Lessor accounting - increase to equipment sales						$ 30
Accounting Standards Update 2014-09
Transition asset					$ 153
Cumulative effect of change in accounting principles					$ 117
Accounting Standards Update 2014-09 | Sales
Revenues									$ 44
United Kingdom, Pounds
Out-of-period adjustment, gross | £										£ (40)
United States of America, Dollars
Out-of-period adjustment, gross								53
Out-of-period adjustment, net								43
Minimum
Ownership percentage (percent)						20.00%
Maximum
Ownership percentage (percent)						50.00%
Common Stock
Value of stock issued for conversion of convertible securities		$ (221)
Retained Earnings
Cumulative effect of change in accounting principles	[3]					$ 127	[1]	120
Retained Earnings | Accounting Standards Update 2018-02
Tax cuts and jobs act, reclassification from AOCI to retained earnings, tax effect				$ 127
Retained Earnings | Accounting Standards Update 2014-09
Cumulative effect of change in accounting principles	[3]							$ 117

[1] Refer to Note 1 - Basis of Presentation and Summary of Significant Accounting Policies - Income Taxes for additional information related to the adoption of ASU 2018-02.

[2] Certain prior year amounts have been conformed to the current year presentation. Refer to Note 1 - Basis of Presentation and Summary of Significant Accounting Policies for additional information.

[3] Includes $117 related to the adoption of the Revenue Recognition Standard ASU 2014-09 - Revenue from Contracts with Customers (ASC Topic 606), see Note 1 - Basis of Presentation and Summary of Significant Accounting Policies, and $3 related to our share of Fuji Xerox's adoption of ASU 2016-01 - Financial Instruments - Classification and Measurement.