Other Financial Data (Tables)

9 Months Ended

Sep. 30, 2016

Other Financial Data [Abstract]

Schedule of Other Income (Expense)

Other income consists of the following (in millions):

	Three months ended September 30,					Nine months ended September 30,
	2016		2015			2016			2015
Foreign currency remeasurement gain (loss)	$	2	$	16		$	(14	)	$	33
Gain on disposal of business	—		—			41			20
Equity earnings	4		4			7			10
Income (loss) on financial instruments	3		(12		)	(7		)	(12		)
Other	—		—			—			—
Total	$	9	$	8		$	27		$	51

Schedule of Allowance for Doubtful Accounts

An analysis of the allowance for doubtful accounts is as follows (in millions):

	Three months ended September 30,						Nine months ended September 30,
	2016			2015			2016			2015
Balance at beginning of period	$	64		$	65		$	58		$	74
Provision charged to Other general expenses	5			1			17			12
Accounts written off, net of recoveries	(4		)	(5		)	(11		)	(27		)
Foreign currency translation	—			2			1			4
Balance at end of period	$	65		$	63		$	65		$	63

Schedule of Other Current Assets

The components of Other current assets are as follows (in millions):

	September 30, 2016		December 31, 2015
Taxes receivable	$	169	$	94
Prepaid expenses	150		130
Deferred project costs	92		92
Other	13		13
Total	$	424	$	329

Schedule of Other Non-current Assets

The components of Other non-current assets are as follows (in millions):

	September 30, 2016		December 31, 2015
Deferred project costs	$	188	$	210
Investments	124		135
Taxes receivable	73		82
Other	179		165
Total	$	564	$	592

Schedule of Other Current Liabilities

The components of Other current liabilities are as follows (in millions):

	September 30, 2016		December 31, 2015
Deferred revenue	$	413	$	394
Taxes payable	74		94
Other	442		331
Total	$	929	$	819

Schedule of Other Non-current Liabilities

The components of Other non-current liabilities are as follows (in millions):

	September 30, 2016		December 31, 2015
Taxes payable	$	268	$	223
Deferred revenue	152		159
Leases	169		166
Compensation and benefits	56		59
Other	114		162
Total	$	759	$	769