Other Financial Data (Tables)

12 Months Ended

Dec. 31, 2018

Other Financial Data [Abstract]

Other income (Expense)

Other income (expense) consists of the following (in millions):

	Years ended December 31
	2018			2017			2016
Foreign currency remeasurement	$	25		$	(37	)	$	(2	)
Disposal of business	(6		)	(16		)	39
Pension and other postretirement	1			(86		)	(173		)
Equity earnings	4			12			13
Financial instruments	(49		)	2			(14		)
Total	$	(25	)	$	(125	)	$	(137	)

Schedule of Allowance for Doubtful Accounts

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

	2018			2017			2016
Balance at January 1	$	59		$	56		$	58
Provision charged to Other general expenses	24			18			10
Accounts written off, net of recoveries	(25		)	(18		)	(15		)
Foreign currency translation	4			3			3
Balance at December 31	$	62		$	59		$	56

Schedule of Other Current Assets

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

As of December 31	2018		2017
Costs to fulfill contracts with customers (1)	$	329	$	—
Taxes receivable	113		114
Prepaid expenses	97		126
Receivables from the Divested Business (2)	12		28
Other	67		21
Total	$	618	$	289

(1) Refer to Note 3 “Revenue from Contracts with Customers” for further information.

(2) Refer to Note 5 “Discontinued Operations” for further information.

Components of Fixed assets, net

The components of Fixed assets, net are as follows (in millions):

As of December 31	2018		2017
Software	$	693	$	680
Leasehold improvements	334		349
Computer equipment	279		295
Furniture, fixtures and equipment	228		240
Construction in progress	154		79
Other	45		90
Fixed assets, gross	1,733		1,733
Less: Accumulated depreciation	1,145		1,169
Fixed assets, net	$	588	$	564

Schedule of Other Non-current Assets

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

As of December 31	2018		2017
Costs to obtain contracts with customers (1)	$	156	$	—
Investments	54		57
Taxes receivable	100		84
Other	138		166
Total	$	448	$	307

(1) Refer to Note 3 “Revenue from Contracts with Customers” for further information.

Schedule of Other Current Liabilities

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

As of December 31	2018		2017
Deferred revenue (1)	$	251	$	311
Taxes payable (2)	83		139
Other	602		420
Total	$	936	$	870

(1) During the twelve months ended December 31, 2018, $487 million was recognized in the Consolidated Statements of Income.

(2) Includes $42 million for the current portion of the Transition Tax as of December 31, 2017. Refer to Note 11 “Income Taxes” for further information on the Transition Tax.

Schedule of Other Non-current Liabilities

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

As of December 31	2018		2017
Taxes payable (1)	$	585	$	529
Leases	169		153
Compensation and benefits	56		67
Deferred revenue	65		49
Other	222		304
Total	$	1,097	$	1,102

(1) Includes $240 million and $222 million for the non-current portion of the Transition Tax, as of December 31, 2018 and December 31, 2017, respectively. Refer to Note 11 “Income Taxes” for further information on the Transition Tax.