FINANCIAL ASSETS (Tables)

12 Months Ended

Dec. 31, 2017

Financial Instruments [Abstract]

Disclosure of financial assets

The following table provides the details of financial instruments and their associated financial instrument classifications as at December 31, 2017:

(US$ MILLIONS)	FVTPL		Available for sale securities		Loans and Receivables/ Other Liabilities		Total
MEASUREMENT BASIS	(Fair Value)		(Fair Value through OCI)		(Amortized Cost)
Financial assets
Cash and cash equivalents	$	—	$	—	$	1,106	$	1,106
Accounts receivable, net (current and non-current) (1)	50		—		4,312		4,362
Other assets (current and non-current) (2)	—		—		195		195
Financial assets (current and non-current) (3)	116		429		239		784
Total	$	166	$	429	$	5,852	$	6,447
Financial liabilities
Accounts payable and other (4)	$	159	—		$	3,766	$	3,925
Borrowings (current and non-current)	—		—		3,265		3,265
Total	$	159	$	—	$	7,031	$	7,190

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⁽¹⁾  Accounts receivable recognized at fair value relates to our mining business.

⁽²⁾  Excludes prepayments and other assets of $314 million.

⁽³⁾  Refer to Hedging Activities in note 4(a) below.

⁽⁴⁾  Excludes provisions, decommissioning liabilities, deferred revenue, work in progress, post-employment benefits and various tax and duties of $1,713 million.

The following table provides the allocation of financial instruments and their associated financial instrument classifications as at December 31, 2016:

(US$ MILLIONS)	FVTPL		Available for sale securities		Loans and Receivables/ Other Liabilities		Total
MEASUREMENT BASIS	(Fair Value)		(Fair Value through OCI)		(Amortized Cost)
Financial assets
Cash and cash equivalents	$	—	$	—	$	1,050	$	1,050
Accounts receivable, net (current and non-current) (1)	42		—		1,755		1,797
Other assets (current and non-current) (2)	—		—		309		309
Financial assets (current and non-current) (3)	34		432		73		539
Total	$	76	$	432	$	3,187	$	3,695
Financial liabilities
Accounts payable and other (4)	$	32	—		$	2,222	$	2,254
Borrowings (current and non-current)	—		—		1,551		1,551
Total	$	32	$	—	$	3,773	$	3,805

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⁽¹⁾  Accounts receivable recognized at fair value relates to our mining business.

⁽²⁾  Excludes prepayments and other assets of $109 million.

⁽³⁾  Refer to Hedging Activities in note 4(a) below.

⁽⁴⁾  Excludes provisions and decommissioning liabilities of $203 million.

(US$ MILLIONS)	2017		2016
Current
Marketable securities (1)	$	207	$	335
Restricted cash	68		71
Derivative contracts	75		23
Loans and notes receivable	11		4
Total current	$	361	$	433
Non-current
Marketable securities (1)	$	1	$	—
Restricted cash	11		—
Derivative contracts	7		9
Loans and notes receivable	150		6
Other financial assets (2)	254		91
Total non-current	$	423	$	106

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⁽¹⁾  During the year ended December 31, 2017 the partnership recognized $49 million (2016: $57 million), of net gains on disposition of marketable securities.

⁽²⁾  Other financial assets includes secured debentures to homebuilding companies in our business services segment.

(US$ MILLIONS)	2017		2016
Current, net	$	3,454	$	1,703
Non-current, net
Retainer on customer contracts	197		94
Billing rights	711		—
Total Non-current, net	$	908	$	94
Total	$	4,362	$	1,797

The amount of accounts receivable and other written down for bad debts was as follows:

(US$ MILLIONS)	2017			2016			2015
Allowance for doubtful accounts - beginning	$	7		$	10		9
Add: increase in allowance	39			2			6
Deduct: bad debt write offs	(6		)	(5		)	(5		)
Allowance for doubtful accounts - ending	$	40		$	7		$	10