IMPAIRMENTS (TABLES)

12 Months Ended

Dec. 31, 2015

IMPAIRMENTS

Assets measured at fair value on a nonrecurring basis

					Fair Value Measurements Using
		Carrying Value Year Ended December 31, 2015			Fair Value Measurements Using									Impairment Losses Year ended December 31, 2015
(US$ in millions)		Carrying Value Year Ended December 31, 2015			Level 1			Level 2			Level 3			Impairment Losses Year ended December 31, 2015
Property, plant and equipment		$	12		$	—		$	—		$	12		$	(15	)


Goodwill (see Note 8)		$	—		$	—		$	—		$	—		$	(13	)


Investment in affiliates		$	3		$	—		$	—		$	3		$	(14	)

					Fair Value Measurements Using
		Carrying Value Year Ended December 31, 2014			Fair Value Measurements Using									Impairment Losses Year ended December 31, 2014
(US$ in millions)		Carrying Value Year Ended December 31, 2014			Level 1			Level 2			Level 3			Impairment Losses Year ended December 31, 2014
Non-current assets held for sale		$	33		$	—		$	—		$	33		$	(13	)


Investment in affiliates		$	17		$	—		$	—		$	17		$	(5	)


Property, plant and equipment		$	165		$	—		$	—		$	165		$	(103	)

					Fair Value Measurements Using
		Carrying Value Year Ended December 31, 2013			Fair Value Measurements Using									Impairment Losses Year ended December 31, 2013
(US$ in millions)		Carrying Value Year Ended December 31, 2013			Level 1			Level 2			Level 3			Impairment Losses Year ended December 31, 2013
Non-current assets held for sale		$	1		$	—		$	—		$	1		$	(2	)


Property, plant and equipment		$	4		$	—		$	—		$	4		$	(22	)