Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2020

Revenue Recognition

Schedule of disaggregation of revenue

Revenue by Major Products/Service Offerings

(Dollars in millions)
For the three months ended March 31:	2020		2019
Cognitive Applications	$	1,182	$	1,238	*
Cloud & Data Platforms		2,536		1,917
Transaction Processing Platforms		1,520		1,812
Total Cloud & Cognitive Software		5,238		4,967	*
Consulting		2,071		2,001	*
Application Management		1,840		1,908
Global Process Services		225		247
Total Global Business Services		4,136		4,155	*
Infrastructure & Cloud Services		4,916		5,209
Technology Support Services		1,550		1,665
Total Global Technology Services		6,467		6,875
Systems Hardware		997		914
Operating Systems Software		371		414
Total Systems		1,368		1,328
Global Financing**		299		406
Other		62		451	*
Total revenue	$	17,571	$	18,182

* Recast to conform to current period presentation. Refer to note 4, “Segments,” for additional information.

** Contains lease and loan/working capital financing arrangements which are not subject to the guidance on revenue from contracts with customers.

Revenue by Geography

(Dollars in millions)
For the three months ended March 31:	2020		2019
Americas	$	8,166	$	8,493
Europe/Middle East/Africa		5,517		5,727
Asia Pacific		3,888		3,961
Total	$	17,571	$	18,182

Schedule of reconciliation of contract balances

	At March 31,		At December 31,
(Dollars in millions)	2020		2019
Notes and accounts receivable — trade (net of allowances of $337 and $299 at March 31, 2020 and December 31, 2019, respectively)	$	6,927	$	7,870
Contract assets (1)		488		492
Deferred income (current)		13,377		12,026
Deferred income (noncurrent)		3,769		3,851

(1) Included within prepaid expenses and other current assets in the Consolidated Balance Sheet.