DEBT (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of carrying amounts and fair value of long-term debt

March 31, 2013						December 31, 2012
	Carrying		Fair Value		Fair Value		Carrying		Fair Value		Fair Value
(US$ in millions)	Value		(Level 2)		(Level 3)		Value		(Level 2)		(Level 3)
Long-term debt, including current portion	$	4,672	$	4,750	$	236	$	4,251	$	4,322	$	259

- Definition

Tabular disclosure of the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments, assets, and liabilities. Such certain disclosures about the financial instruments, assets, and liabilities include: (1) the fair value of the required items together with their carrying amounts (as appropriate) and (2) the methodology and assumptions used in developing such estimates of fair value.

+ References

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+ Details