XML 17 R39.htm IDEA: XBRL DOCUMENT

Supplemental Financial Information - Inventory (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Inventory, Net [Abstract]
Work in process and raw materials	$ 146	$ 132
Finished goods	149	148
Service parts	381	389
Total inventories, net	$ 676us-gaap_InventoryNet	$ 669us-gaap_InventoryNet

The aggregate carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of items which are partially completed at the time of measurement and unprocessed items that will go through the production process and become part of the final product. This element may be used when the reporting entity combines work in process and raw materials into an aggregate amount.

+ References+ Details