Supplemental Financial Information (Tables)

6 Months Ended

Jun. 30, 2015

Supplemental Financial Information [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

The components of accounts receivable are summarized as follows:

In millions	June 30, 2015	December 31, 2014
Accounts receivable
Trade	$1,412	$1,382
Other	34	41
Accounts receivable, gross	1,446	1,423
Less: allowance for doubtful accounts	(21)	(19)
Total accounts receivable, net	$1,425	$1,404

Schedule of Inventory, Current [Table Text Block]

The components of inventory are summarized as follows:

In millions	June 30, 2015	December 31, 2014
Inventories
Work in process and raw materials	$147	$132
Finished goods	184	148
Service parts	378	389
Total inventories	$709	$669

Schedule of Other Assets [Table Text Block]

The components of other current assets are summarized as follows:

In millions	June 30, 2015	December 31, 2014
Other current assets
Current deferred tax assets	$215	$264
Other	266	240
Total other current assets	$481	$504