INVENTORY - Schedule of Inventory Properties (Details) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Inventories [Abstract]
Residential properties under development	$ 2,245	$ 2,215
Land held for development	1,922	1,609
Completed residential properties	917	952
Industrial products and other	1,227	573
Total	$ 6,311	$ 5,349

The amount of assets: (a) held for sale in the ordinary course of business; (b) in the process of production for such sale; or (c) in the form of materials or supplies to be consumed in the production process or in the rendering of services. Inventories encompass goods purchased and held for resale including, for example, merchandise purchased by a retailer and held for resale, or land and other property held for resale. Inventories also encompass finished goods produced, or work in progress being produced, by the entity and include materials and supplies awaiting use in the production process. [Refer: Current finished goods; Current merchandise; Current work in progress; Land]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2017-01-01
-Paragraph 54
-Subparagraph g
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_54_g&doctype=Standard
-URIDate 2017-03-09

Name:	ifrs-full_InventoriesTotal
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant